Newly purchased Turbosound TMS-4
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Topic: Newly purchased Turbosound TMS-4
Posted By: Hyppe
Subject: Newly purchased Turbosound TMS-4
Date Posted: 10 September 2012 at 8:46pm
Spent last weekend to pick up four pieces of TMS-4
 http://200sx.kicks-ass.net/djhypnoz/img504e2fa7550a9.jpg
Have tried to read as much as I could on this forum about these TMS boxes to not make a fool of myself when buying them.
But when the ad came out last week knew that I would not have any time to reflection if I would like to buy these four boxes. I have followed the secondhand market in Sweden all summer and TMS-4 is not out long before ads disappear (if the come out on market at all). So unfortunately the deal went much faster than would be optimal for finding out what was in the boxes.
I took some pictures when I looked what was in the boxes before the purchase.
All Mid Drivers I think looks like original Ls1001 and even whole without any damage?  http://200sx.kicks-ass.net/djhypnoz/img504e2ff5b40fa.jpg http://200sx.kicks-ass.net/djhypnoz/img504e2ff5620ac.jpg http://200sx.kicks-ass.net/djhypnoz/img504e2ff408332.jpg http://200sx.kicks-ass.net/djhypnoz/img504e2fe5bc02d.jpg http://200sx.kicks-ass.net/djhypnoz/img504e2fe26fde4.jpg Even all the 18" looks like original Ls1801?, but two were unlabeled and has smaller midholes in the magnet than the two with original label, someone who knows exactly what kind of element this is, early Ls1801 perhaps?  http://200sx.kicks-ass.net/djhypnoz/img504e2ff4aa4da.jpg http://200sx.kicks-ass.net/djhypnoz/img504e2faa62aee.jpg http://200sx.kicks-ass.net/djhypnoz/img504e2fa67b21a.jpg http://200sx.kicks-ass.net/djhypnoz/img504e2fe31ae6d.jpg Two boxes have Hf BBC drivers and are also the original i guess, its Early B&C Drivers (Name of company was BBC Speakers untill 1988)  http://200sx.kicks-ass.net/djhypnoz/img504e2ff664f3f.jpg http://200sx.kicks-ass.net/djhypnoz/img504e2fa7cc2cd.jpg
Hf Beyma CP-300 drivers are also the original what I have read on this forum? To bad one of this was blown and its seems very difficult to get hold of new Diaphragm. (only one blown driver of total twelve is kinda ok anyhow i guess)  http://200sx.kicks-ass.net/djhypnoz/img504e2fe43f065.jpg http://200sx.kicks-ass.net/djhypnoz/img504e2fe2bef7a.jpg What are the turbo names on this x-over filters?  http://200sx.kicks-ass.net/djhypnoz/img504e2ff38d044.jpg  http://200sx.kicks-ass.net/djhypnoz/img504e2fe394f7b.jpg  http://200sx.kicks-ass.net/djhypnoz/img504e2fa703fc7.jpg Please comment on anything you can contribute.
Ps. Wish it would be Tony Andrews "Tony A" signature on the picture, but is more likely "Ray" i guess?  http://200sx.kicks-ass.net/djhypnoz/img504e2fa5c1730.jpg OBS!! You can find ALL pictures here:http://200sx.kicks-ass.net/album/album.php?username=djhypnoz&cat=7842
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Replies:
Posted By: shagnasty
Date Posted: 10 September 2012 at 11:46pm
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All you boxes should have the beyma HFs in, should be CD-102 badged but it was a beyma with the LS-1001 and LS-1801.
The x-overs are PX 4.0, but TBH rip them out and and put a pair of NL8s on each boxes and run them 3 way active.
Looks like a nice set of TMS-4s, also I wouldn't use the NL4s in that current config, shared 0v lines on cabs are the stuff of shredded amps, if you wanna run 2way over NL4 then wire each XLR seperately to the NL4!!!
Unlikey John or Tony made these, AFAIA they were never that "hands-on" onece the boxes were in production.
I am guessing you have the old TurboSound North road, London badges on them as apposed to the later Star Road, Partridge green one...
Real peice of history....
Some of mine having fun this Summer..
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Posted By: Hyppe
Date Posted: 11 September 2012 at 1:39pm
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Im probably wrong but when i look at turbos "COMPONENT MAP" it seams that my early Serial numbers dont even is in this file..
S/N 101454 .. so my guess is that CD-101 (Beyma CP-300) is original in this box Like the rest of early serials:
| 010726 -012166 |
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LS-1801 |
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LS-1001 |
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CD-101 |
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PX-4/111* |
right or wrong? -------------------------------------
I will do as you recommend and run 3-way active in the near future, but would have liked to test them as they are now with my own amplifier (I heard them on the purchase of the sellers amp´s). Partly because it is a cost for DSP and additional amplifiers, but also to get my own idea of before (passive) & after (active) :)
------------------------------------- I will skip the
NL4s, thanks for this Council
--------------------------------------- someone else who has idea about them unlabeled 18" ?
---------------------------------------- shagnasty: Your setup looks good, better then 4 "TMS-4" per side :) easy to stack!
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Posted By: shagnasty
Date Posted: 11 September 2012 at 5:58pm
I'd cut the wires to the NL4s before even using the XLRS or just wire all 4 not just the 3!!
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Posted By: Hyppe
Date Posted: 11 September 2012 at 6:57pm
shagnasty wrote:
I'd cut the wires to the NL4s before even using the XLRS or just wire all 4 not just the 3!!  |
look again.. on the first pic it look like black is on same spot on the NL4. but look closer. its not the case.
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Posted By: shagnasty
Date Posted: 11 September 2012 at 8:56pm
You are right, just cut and paste the HTTP:// and at higher res it is all good, the thumbnail does make it look a bit WTF?
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Posted By: Peter Jan
Date Posted: 12 September 2012 at 5:45pm
Hyppe wrote:
Spent last weekend to pick up four pieces of TMS-4
Hf Beyma CP-300 drivers are also the original what I have read on this forum? To bad one of this was blown and its seems very difficult to get hold of new Diaphragm. (only one blown driver of total twelve is kinda ok anyhow i guess) 
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I still have a CP300 diaphragm in stock if you need one. Or if that suits you better, a CP-350 diaphragm is the same and can be made to work in CP30 and CP300. Just need to cut off the slide connectors and a few mm of plastic to make it work.
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Posted By: Hyppe
Date Posted: 12 September 2012 at 8:54pm
Peter Jan You made my day :) Have you modified CP-350 diaphragm in cp-300 yourself and made it work? If so, have you compared the sound after with an original Cp-300? Is there no changes on 300 vs 350
diaphragm more then connectors (and some plastic)?
whats your price for the original Cp-300 diaphragm?
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Posted By: el_dj
Date Posted: 13 September 2012 at 12:48pm
cp 350 is the driver when its called cd 102 :) and i believe its an ev driver in the cd 103
------------- Old twat, with an interest in light & sound
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Posted By: Peter Jan
Date Posted: 13 September 2012 at 12:53pm
I have replaced many like that when Beyma was temporarely out of stock with CP30/300 diaphragms when those drivers were still in production. Most in original Beyma drivers, but also a lot in TMS-3's (before EV DH-3 was mounted). And later on it was out of necessity when production of the CP-30 and CP-300 drivers stopped and diaphragms became unavailable some years after. The voicecoils, the aluminum membrane, everything is the same between the 3 types, exept for the connection by means of solderlips for 30/300 and slide connectors for the 350 and the extra plastic overhangs where the connectors sit on. The cutting, grinding or however you do it, is needed to clear the hood of the CP-30. Yes, only the CP-30, not for the CP-300. Long time ago I had to do one and I wasn't sure anymore about the need for cutting/grinding material to make it fit, so I took a CP-300 (still have some on the shelf) and checked it. DCP-350 fits perfect without issues whatsoever. So does a DCP-350Ti by the way, but the different diaphragm material (Titanium) makes for a somewhat different sound. Maybe not an option in this case or at this time, but just keep in mind that it's an option that may be useful in the future. Anyway, to answer your question, there is indeed no difference whatsoever between diaphragms of CP30/300 and CP-350, other than the connection and the extra plastic material. There was a change from glassfiber/paper coil former to kapton coil former, but that was a running production change for many models, not just a one model change to another. Driver structures are somewhat different, phase plug/slots aren't the same, but diaphragms are identical.
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Posted By: Peter Jan
Date Posted: 13 September 2012 at 1:15pm
Hyppe wrote:
Peter Jan You made my day :) whats your price for the original Cp-300 diaphragm?
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Well, to be honest... if Beyma is easily available in Sweden, I would just get some brandnew DCP-350. What would be the price ? 30-35 Euro something like that. If I asked 10 euro for an old DCP-30/300 plus the amount to send it over, you might end up almost the same price as new. But if you are okay with that, sure I will drop one at the Postal office for you 
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Posted By: Peter Jan
Date Posted: 13 September 2012 at 1:42pm
Hyppe wrote:
someone else who has idea about them unlabeled 18" ?
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Not 100% sure, but from the look of it, I would say Fane.
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Posted By: 4D
Date Posted: 13 September 2012 at 7:49pm
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Those cd102's are notorious for corrosion they are the only component that is partially open to the elements. To save a lot of money I would be very wary of putting any new diaphragms in until you are totally totally and again, totally certain that you have cleaned out the coil gaps on the compression drivers perfectly, no roughness, no grit, no welded on fragments of the last coil. Otherwise as you can imagine in go the new coils a couple of shows later & oop's coil carbonara..
A piece of credit card works well as a scraper followed by some masking tape doubled over sticky side out and run round the slit till its picked up all the bits of crap..
------------- DMZ. "The bass was intense. Girls were literally running up to stand next to the subs"
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Posted By: shagnasty
Date Posted: 13 September 2012 at 9:21pm
4D wrote:
Those cd102's are notorious for corrosion they are the only component that is partially open to the elements. To save a lot of money I would be very wary of putting any new diaphragms in until you are totally totally and again, totally certain that you have cleaned out the coil gaps on the compression drivers perfectly, no roughness, no grit, no welded on fragments of the last coil. Otherwise as you can imagine in go the new coils a couple of shows later & oop's coil carbonara..
A piece of credit card works well as a scraper followed by some masking tape doubled over sticky side out and run round the slit till its picked up all the bits of crap..
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Like the credit card bit, I've used copper wire in the past and a good 120 PSI of compressed air for the clean up, but much as the CD-102 does sound a bit sweeter than the 103 it does die easier, only good thing the RD-102 is halve the price of the RD-103, not that it help much 5 mins into sound check when you realise you need one!!!
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Posted By: slaith
Date Posted: 14 September 2012 at 10:01am
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Hey!
So you were the guy that bought the TMS-4:s, saw the ad a while ago.
A slight twitch in the buy finger but decided not to in the end.
Those cabs actually look pretty well taken care of, have alot of fun with them.
Where abouts are you located?
And since you have them apart already.
I would sugest for the greater good of all mankind, get som pictures and maybe measurements of the Turbobass chamber.
Because there has been so much speculation on how it's made up and what it looks like and so on.
I think alot of people would be really grateful, I know I would atleast. 
Best regard
Patrik J
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Posted By: Hyppe
Date Posted: 14 September 2012 at 3:09pm
4D wrote:
To save a lot of money I would be very wary of putting any new diaphragms in until you are totally totally and again, totally certain that you have cleaned out the coil gaps on the compression drivers perfectly, no roughness, no grit, no welded on fragments of the last coil. | Im working hard on the cleaning process, took the opportunity to remove even the functioning one for cleaning.Tape, creditcard, vacuum cleaner & crc Electronic Cleaner is the shiet :)
 http://200sx.kicks-ass.net/djhypnoz/img5053369cd717b.jpg This Youtube vid is nice for noob´s like me: http://www.youtube.com/watch?v=Tfh-OvJ1o-Q&feature=share&list=UUwCFRpw-O1RO3dlUA9is5gA
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Posted By: tv00
Date Posted: 19 September 2012 at 12:17am
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I have a few cd-102 with the blue turbo back & badges, and 4 b&c de 25 that I don't use in denmark. Yes they use this beyma 350-16ohm diaphragm, if you're using passive filters notice driver ohms will affect crossover frequency, check updates for filters by turbosound, I have a link somewhere...
I have filters too, my tms-2's are now 3way speacon8, just tested a few tonight!
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Posted By: Hyppe
Date Posted: 19 September 2012 at 3:17pm
tv00 wrote:
I have a few cd-102 with the blue turbo back & badges, and 4 b&c de 25 that I don't use in denmark. |
Pm me for Price!
tv00 wrote:
Yes they use this beyma 350-16ohm diaphragm, if you're using passive filters notice driver ohms will affect crossover frequency, check updates for filters by turbosound, I have a link somewhere... |
But Original HF drivers are already 16ohms? so no difference?
Btw: 3way speacon8 is on the way on my TMS-4 to :)
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Posted By: Hyppe
Date Posted: 15 October 2012 at 10:38pm
I have now restored the speakers and for the first time tried their performence, Wooow :) I can only say that I am more than satisfied! I find it very difficult to see what you could get that is better for this amount of money
Now, however, the search for bass cabs started. what do you think (and why) is the best bass cabs to combine with Turbo sound TMS-4?
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Posted By: James Tengo
Date Posted: 15 October 2012 at 11:12pm
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Tse 118 or tse 218. Basically the same as the bottom end you already have at the bottom of the TMS 4, so no more processing required, just adding more. Run them 30 to 250
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Posted By: shagnasty
Date Posted: 16 October 2012 at 1:14am
James Tengo wrote:
Tse 118 or tse 218. Basically the same as the bottom end you already have at the bottom of the TMS 4, so no more processing required, just adding more. Run them 30 to 250 |
Don't run a TSE-x18 nder a TMS4 to 250, you get a load more bite in a 30-120 bracket. TSW-x21s work amazingly under them, again run 30-120, I use TSW-718 in a 35-100 under mine with good effect, 2 TSW 718s on their side stacked give good hieght for the TMS-4s.
If you add more bins a 80Hz hi pass on the TMS kick section gains you a load of efficiency, so you can really drive the bins low and get maximum punch from the TMS, IMHO TSE-x18 is not the ideal box to sit under a TMS-4 as you want something that runs harder and lower than the existing 18", unless you go 8 TSE-218s aside in witch case they go loud and low.... 
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Posted By: Hyppe
Date Posted: 19 October 2012 at 1:49pm
it's really hard to find Turbos here in Sweden....
If i want to build something myself, what do you recommend then? And please explain why you recommend it.
Im after all-round system! (but if i have to choose i want it to sound best on Psy, house, techno, disco. it have to works for liveband to!)
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Posted By: slaith
Date Posted: 19 October 2012 at 3:24pm
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Hogs maybe? Since the 18 in the TMS-4s will meet properly.
Myself I'm beginning work with the MHB-46 designed by Marc.O I think jerronimo here has built 4 of them and swears by them so that's the way i'm gonna go for allround subs. Though that's a hybrid horn so I suppose a little different sound from FLH:s, I don't really know since I've never heard eather. 
But that's the conclusions I've drawn myself.
Maybe somebody else with more experince has some different input.
Patrik
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Posted By: Hyppe
Date Posted: 23 January 2013 at 9:28am
Hello Again!
Since last time I got myself a Dsp ( http://www.thomann.de/gb/behringer_dcx2496_ultradrive_pro_lautsprechermanagement.htm" rel="nofollow - BEHRINGER DCX2496 )
Yesterday, I set up the TMS-4 for some tests.
What I noticed immediately is that Hf Turbosound CD-101 ( http://www.teamaudio.fr/media/catalog/product/datasheet/beyma/CP300-8.pdf" rel="nofollow - Beyma CP-300 ) located in two of the boxes sounds very different from the http://200sx.kicks-ass.net/djhypnoz/img50ff97d072dcb.jpg" rel="nofollow - B&C driver (BBC D20) located in the other two boxes.
Beyma cp-300 sounds much softer and more comfortable but you have to +db around 10 000 for them to come out properly
B&C driver sounds very sharp "tick tick" :) from the start. so this one you must instead reduce a lot db to get it to sound good.
i dont know how to do here?
1. Try find two more Beyma cp-300 cheap 2. I can buy four Beyma cp-350ti (8ohm :/ ) cheap from a guy in Sweden 3. something else
I was also looking for low bass speakers to complement the bottom with my TSM-4, but realized that I already own a good low bass speaker myself, since it's about low bass 40-80Hz, http://www.forum.poweraudio.ro/viewtopic.php?f=92&t=9684" rel="nofollow - bandpass boxes very effective here and since I already own two pieces active bandpass enclosures ( http://www.thomann.de/se/the_box_ta18.htm" rel="nofollow - The Box TA18 ) (131db spl) I decided tested these out and they play very good low bass down to 40-50hz and is thus the most for your money when I just need to complement the two extra. Now I have tested these together with TMS-4 and they have no problem keeping up with the TMS-4 (rather the contrary).
I use the Dsp (BEHRINGER DCX2496) but i keep the passive x-over in TMS-4, why you ask?
1. Save some money to only use one 4-channel amplifier 4x810watt 4ohm ( http://www.thomann.de/se/the_tamp_tsa_4700.htm" rel="nofollow - t.amp TSA 4-700 ), need one more amp to go full active 4-way. 2. Need modifies to the TMS-4 to get them active 3. Need dsp on the active lowbas (The box TA18)
So now i use it like this:
x-over 40 - 80Hz The box TA18 (+9.5db and 3,6 delay to match the TMS-4) 80-250Hz Tms-4 bas 250 - Hz Tms-4 mid hf
Anyone know how i in the future get the DCX2496 to work 4-way active, guess i need some more dsp?
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Posted By: Peter Jan
Date Posted: 23 January 2013 at 4:11pm
Hyppe wrote:
Hello Again! Anyone know how i in the future get the DCX2496 to work 4-way active, guess i need some more dsp? |
Run Subs and Low in mono, Mid and High in stereo. Input C can be used as a seperate Sub send if you need/want it.
Or put a second DCX at work and run each as a 4-way mono processor with two spare outputs for infill/sidefill/center/delays/... Two inputs are also free to direct to whatever output you like or make any matrix mix of the inputs to route to each individual filtersection.
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Posted By: Marko
Date Posted: 24 January 2013 at 9:01pm
Hyppe wrote:
What I noticed immediately is that Hf Turbosound CD-101 ( http://www.teamaudio.fr/media/catalog/product/datasheet/beyma/CP300-8.pdf" rel="nofollow - Beyma CP-300 ) located in two of the boxes sounds very different from the http://200sx.kicks-ass.net/djhypnoz/img50ff97d072dcb.jpg" rel="nofollow - B&C driver (BBC D20) located in the other two boxes.
Beyma cp-300 sounds much softer and more comfortable but you have to +db around 10 000 for them to come out properly
B&C driver sounds very sharp "tick tick" :) from the start. so this one you must instead reduce a lot db to get it to sound good.
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If Beyma drivers have 16 ohm diaphragmas and B&C 8 ohm, this would be the case.
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Posted By: Marko
Date Posted: 24 January 2013 at 9:04pm
slaith wrote:
Hey!
And since you have them apart already.
I would sugest for the greater good of all mankind, get som pictures and maybe measurements of the Turbobass chamber.
Because there has been so much speculation on how it's made up and what it looks like and so on.
I think alot of people would be really grateful, I know I would atleast. 
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+1
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Posted By: shagnasty
Date Posted: 24 January 2013 at 11:22pm
Marko wrote:
slaith wrote:
Hey!
And since you have them apart already.
I would sugest for the greater good of all mankind, get som pictures and maybe measurements of the Turbobass chamber.
Because there has been so much speculation on how it's made up and what it looks like and so on.
I think alot of people would be really grateful, I know I would atleast. 
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+1
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It is a TSE-118!!
The plans are all over teh web, the issue is it only works with a Turbo LS180x... 
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Posted By: shagnasty
Date Posted: 24 January 2013 at 11:24pm
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back on topic, the B&C is the wrong driver for these boxes and I'd sell them for some CD-102s to match what you have, the Beyma's really sing and unless you want to use them in anger all day long IMHO are sweeter than the EV (CD-103s) but eh B&C has no place in that box, but will get enough cahs to fund the correct drivers!!!!
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Posted By: tv00
Date Posted: 25 January 2013 at 12:29am
Is there any plans for tse-115 I tried to sim this as a part of the tms-2 as i could find no other sims only hd15 which is actually quite different.
Other drivers play very well in tse 115 I know people like to use pd.184 in tms-4 / tse-118 over here in DK
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Posted By: shagnasty
Date Posted: 25 January 2013 at 12:43am
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I've heard a PD-184 in TSE-218s (Ok I've heard 2 of them!!) and they work well but fart about 200Hz so don't really make teh 250Hz the TMS needs to hit the 10"...
The TSE-x15 is a TMS-2/3 bottom end and again requires an mentaly quick driver, a Fane Neo 15" would be my starting point, but I can see you won't get to 250Hz clear.... 
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Posted By: tv00
Date Posted: 25 January 2013 at 1:21am
How can you see that? First I simmed it as the best. Then we've been blind listening and measuring with the boys, mb15n401 won! RCF was far more linear Fane studio 15b was quite similar to the original ls1506 and it's cheaper, they had quite a boost around some freq i forgot which. pd.1550 was game over
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Posted By: shagnasty
Date Posted: 25 January 2013 at 1:33am
tv00 wrote:
How can you see that? First I simmed it as the best. Then we've been blind listening and measuring with the boys, mb15n401 won! RCF was far more linear Fane studio 15b was quite similar to the original ls1506 and it's cheaper, they had quite a boost around some freq i forgot which. pd.1550 was game over
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I've tried various driver and the issue is pure acceleration, back in the day 3 and even 2" VC drivers were about in abundance, we tried loads, none were quick enough, a 4" VC RCF isn't gonna touch an LS-180x let alone a LS150x, Turbosound is all about "transient response" not SPL or low end extension, you wnat low-end breakout teh TSW-124s and PL 9.0s, the recent trend in driver development appears to higher power handing (the LS-150x was, from memory only 250-300W) and more low end extension, more power handling mean more copper on the VC which is more mass, more lo-end extension means more excursion, again ends up with more mass, more mass means 250Hz is a dream...
So yeah I knida "see" a 4" VC driver will never work, as for blind listening, with what program material, if you want it Hi-SPL, MP3 freindly, "banging" then I can see the Turbo drivers are easily bettered, if , but if you want a pretty flat response Turbo box, you are screwed....
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Posted By: Hyppe
Date Posted: 25 January 2013 at 8:29am
shagnasty wrote:
back on topic, the B&C is the wrong driver for these boxes and I'd sell them for some CD-102s to match what you have, the Beyma's really sing and unless you want to use them in anger all day long IMHO are sweeter than the EV (CD-103s) but eh B&C has no place in that box, but will get enough cahs to fund the correct drivers!!!!
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what do you think about a deal on 4 x Cp350ti for 120 Euro?
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Posted By: tv00
Date Posted: 25 January 2013 at 9:25am
Ok Shagnasty, we're running a bit off- topic here regarding tms-2.
The fact is that the rcf neos ARE MORE FLAT! We did measure that plot throughout! Perhaps the ls-1502 and fane studio 15b have been a bit worn out? From 4 peoples ears with different taste of music rcf simlpy WON being more transient!
Take a look at the specs, it's a very fast driver!!!
Take a look at the theory then: I've seen quite a few 15" horns crossing at 250hz Look at the xtro's, people cross them far above 250hz
Big respect for turbo & their nice transient sound, I think it's no wonder if this box can be improved after 34 years on the market.
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Posted By: iistixxxii
Date Posted: 13 March 2013 at 12:45am
I have 4 tsw 721's and 4 tms-4's and a turbosound lma d6 processor why do I figure this Is going to be a headache to make it sound right?
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Posted By: tv00
Date Posted: 13 March 2013 at 8:15am
No clue, sounds like a perfect match:-)
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Posted By: Hyppe
Date Posted: 18 March 2013 at 11:42pm
shagnasty wrote:
back on topic, the B&C is the wrong driver for these boxes and I'd sell them for some CD-102s to match what you have, the Beyma's really sing and unless you want to use them in anger all day long IMHO are sweeter than the EV (CD-103s) but eh B&C has no place in that box, but will get enough cahs to fund the correct drivers!!!!
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yeeeea haaa! Yesterday i found a seller on two almost new CD-101, so now i have four complete tms-4 boxes 
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Posted By: shagnasty
Date Posted: 19 March 2013 at 12:27am
Nice find, they look completely MINT!!
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Posted By: tv00
Date Posted: 19 March 2013 at 10:43am
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Ok, if you need it I have several cd-102
@shagnasty: My measurements and listening tests shows that you are not right Now tell me how can the xtro with a 4" coil be crossed at 350hz? You are simply not right, there's a lot happening in driver development, you write: " the recent trend in driver development appears to higher power handing (the LS-150x was, from memory only 250-300W) and more low end extension" This is not right for alle new drivers! This driver has NO "MORE" low end excursion and it is a high sensivity driver with a light moving mass "mms". If you want low end excursion and high power handling you would go for the woofers and get the completely wrong driver for this box.
Look at the specs: EBP of 210 BL of 26,1 efficiency 4,86% sensivity 100 db mms: 100g
This is a fast driver well suited for a horn and not a woofer at all! It's true that they claim 850w rms rating, but I don't really trust rcf power ratings, I never went above 600 watts rms with these drivers, and that's loud! I think they might go overexcursion at full power!
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Posted By: shagnasty
Date Posted: 19 March 2013 at 3:31pm
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My comment stands, if you want a Turbosound box you need to use the correct drivers (be it OEM Turbo or the EV/Beyma for tops etc) if you don't use the proper drivers you don't have a Turbosound cabinet, you have something else, better or worse, open for debate, but if I rent a TMS-4 I expect a TMS-4, not a RCF/B&C loaded blue box....
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Posted By: tv00
Date Posted: 19 March 2013 at 3:37pm
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I never said that an original tms-2 box holds rcf drivers! Of course that is not so! Original means original means loaded with original drivers!
Never the less my mb15n401 boxes beats my original tms-2 boxes in both SPL & transience. All ears and measurements so far supports this conclusion. Don't forget that I also had 4 original, and I MEAN original loaded tms-2 boxes to compare with. I sold them by now, the neo ones are sweeter:-)
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Posted By: shagnasty
Date Posted: 19 March 2013 at 3:42pm
Sorry you sound a bit defensive there, it was no my intention to "have a go", but there are a pile of threads on here about what to load your "XYZ" ABC box with and I would always say XYZ's driver for teh type of ABC cab you have.I know things have mved on I use 18" neo bins under my TMS-4 that my ex can lift with on hand and they probably produce the same SPL as the TSW-121s... 
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Posted By: Hyppe
Date Posted: 18 April 2013 at 9:47am

Just wanted to post a picture from soundcheck last week. Next im going to try everything outdoor to see if the external subwoofers can keep up on the Tms-4 throw distance
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Posted By: Hyppe
Date Posted: 24 April 2013 at 10:24am
Hi Again! Was about to change to Spekon connectors today.. but ran into some problems. Look at IN and OUT XLR on this picture: The "IN" vs "OUT/Link" are changing polarity? i cant really get why they have done it like this?
For me it will be the following scenario if i keep it like this, The first TMS-4 will be correct polarity, the second (linked) TMS-4 Will get opposite polarity (if all boxes is same inside)
Big Picture https://www.dropbox.com/s/6bc5xgfe6xhp05l/20120908_114649.jpg" rel="nofollow - https://www.dropbox.com/s/6bc5xgfe6xhp05l/20120908_114649.jpg
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Posted By: tv00
Date Posted: 24 April 2013 at 10:59am
Xlr connectors should be connected in reverse, remember they are male / female connectors and not only male like speacon. The solderings for the link female out should be mirrored when compared to the input. I guess you get it now, the pins 1 & 2 are reverse on the female connector so that 1 meets 1 and 2 meets 2 when put together, like this: http://upload.wikimedia.org/wikipedia/commons/8/81/XLR_pinouts.svg
Did you get the cp-300? I do have an original cd-101 with diaphragm
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Posted By: Hyppe
Date Posted: 24 April 2013 at 11:48am
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I guess it was something like that! Tnx for fast answer! Now i can finish this speakon change :)
About cp-300: I got two extra drivers now so i have to say i don't need right now but maybe in future! tnx anyhow
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Posted By: midas
Date Posted: 05 May 2013 at 12:01pm
shagnasty wrote:
My comment stands, if you want a Turbosound box you need to use the correct drivers (be it OEM Turbo or the EV/Beyma for tops etc) if you don't use the proper drivers you don't have a Turbosound cabinet, you have something else, better or worse, open for debate, but if I rent a TMS-4 I expect a TMS-4, not a RCF/B&C loaded blue box.... |
I am sure I saw some on Ebay the other day that had the original 'Eminence' drivers in.... 
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Posted By: tv00
Date Posted: 05 May 2013 at 12:35pm
Haha.
If I rent a TMS-4 cabinet I would NEVER expect it to be original inside! Why? -because they barely exist, most people buy / sell as "original" but everytime you check it, even from thrusted sellers they're not!
From different sources I've had 12 tms-4 & 16 tms-2's thru my hands, a few singles were all original but no sets were!
@Shagnasty: I didn't mean to sound defensive, I don't really have to care as long as we are happy:-) I respect very much the work of turbosound / T.A. and fane/PD and there's so many factors that influence the sound. For instance I tried n407 driver in there, the cone has a more curved shape and a much louder sound and better sensivity, by measure it was only 1 db louder, but by ear it was more. The shape and sound of the cone was more like the original, but still the voicecoil is much bigger, we considered trying some of the rcf 3" 15" neos, but the results were very nice with 4". There's no problem reaching the higher frequencies. I don't know why this is harder thru a horn? -as most 15" would easily reach above 250-300 in a normal frontloaded box. Also notice the EBP which tells if the driver is suited for a mid horn, the EBP of the rcf mb15n401 is 221! -Which is pretty high for an 15" driver, I don't even think I found any higher.
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Posted By: shagnasty
Date Posted: 05 May 2013 at 2:37pm
midas wrote:
shagnasty wrote:
My comment stands, if you want a Turbosound box you need to use the correct drivers (be it OEM Turbo or the EV/Beyma for tops etc) if you don't use the proper drivers you don't have a Turbosound cabinet, you have something else, better or worse, open for debate, but if I rent a TMS-4 I expect a TMS-4, not a RCF/B&C loaded blue box.... |
I am sure I saw some on Ebay the other day that had the original 'Eminence' drivers in....  |
Saw them, I nearly bought them!! Tri-amped, only the top drivers to change out, I was tempted but as owning a sound system is a hobby to me I can't see how I can justify another set of Turbo boxes!!!!
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Posted By: tv00
Date Posted: 14 May 2013 at 9:02am
Whow I have the same problem how can I justify this hobby-system? At the moment I have: 14 tms-2's 20 turbo bph copies 8/12 groundsound subs +minirigs (less than 8 boxes per rig)
No jobs really, but we should get started this summer, we're trying to put a soundsystem together, but not much is happening, the boys are more than just SLOW!
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Posted By: Rknoll
Date Posted: 16 January 2014 at 2:23pm
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Good Day,
Do you ever come upon legacy TMS series mid waveguides? I am looking for two.
Thanks and have a great day!
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Posted By: tv00
Date Posted: 17 January 2014 at 2:35pm
I have two copies, but I don't know if they're exact enough, split some tms-3s perhaps? @RKnoll: did you get my pm? Sounds interesting if you have tms parts!
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Posted By: Rknoll
Date Posted: 20 January 2014 at 1:57pm
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Hi tv00,
I cant seem to find your PM but I did receive your alert. Sorry, I am an idiot. Everything I have is from the original Turbosound company in the late 70's. I also have cabinet plans and passive X-over plans. I have no idea why I cant find the mail section.
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Posted By: all bass
Date Posted: 20 January 2014 at 2:04pm
Rknoll wrote:
Hi tv00,
I cant seem to find your PM but I did receive your alert. Sorry, I am an idiot. Everything I have is from the original Turbosound company in the late 70's. I also have cabinet plans and passive X-over plans. I have no idea why I cant find the mail section. |
You don't have enough posts yet to read PM's.
------------- https://www.instagram.com/my_modular_journey/
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Posted By: Dub Specialist Sound
Date Posted: 20 January 2014 at 2:05pm
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Rknoll
you need 10 points to send/reviece pm msg's...thought id let you know..
------------- Musical Roots Reggae Vibration is Life! for music is sound...sound is vibration...vibration is energy... and energy begets life. Therein lies my passion!...MUSIC IS LIFE...
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Posted By: Rknoll
Date Posted: 20 January 2014 at 2:06pm
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I was going to post the pics but I cant do that either. Agressive firewall.
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Posted By: Rknoll
Date Posted: 20 January 2014 at 2:06pm
Posted By: tv00
Date Posted: 20 January 2014 at 3:03pm
Who cares about new membership rules? Let's make some forum SPAM instead! By the way you've been in this business much longer than I!
Here we go, @Others: close your eyes, this is PM:
Interesting reading, I've been writing with John Newsham &
indirectly with Tony via Ann Andrews about these first boxes I have. As far as I've heard you've been using a bit different drivers in the US? I think your boxes were originally with the fane basket, but some people changed to jbl, jbl drivers have been used too right?
Some of the older boxes like tms-2 serial 2 & 4 & early tms-4 hold jbl 2425 drivers, but I think they've been put later.
The fane 10" drivers were definately with magnets from fane in the UK, at least John says so. I
have never seen the original fane basket 15" drivers, only pd, my 2
tms-2 has got fane studio 15b, and I think the first drivers were
actualy fanes. Do you have any of the original "turbo" fane 15" drivers? Do you have any of the old (shitty) cd-101? (or just a backplate, one of mine is missing) GOT THAT CD-101 THANKS TO JOHN NEWSHAM AT F1 (HE KEPT THE PARTS FOR 30 YEARS I GUESS!)
I'm trying to make the two old tms-2s as original as possible. I have 12 more that I have upgraded with rcf mb15nb401 / bms 4540nd + original 10"
What parts do you have:-) (I have plenty of passive filters, I ripped mine out to go active)
-Louis
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Posted By: Rknoll
Date Posted: 21 January 2014 at 1:34pm
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Just three more points and I can send some pics!
I am in Canada and in the seventees I worked for a pro audio company that had recording studios, built radio stations, handled high end audio, service and design and had a touring division. Yep, I was in heaven I guess you could say (or hell). We used the staples of the day for touring: Altec and JBL. One day we had some TMS-2 cabinets show up. They were TMS-2 and they were black with an internal passive. None of the magnets had labels of any kind. These were built under license in Canada by a firm in Quebec. We liked them a lot so order TMS3 and 4's. They were black as well. We used modified BS electronic X-overs as Turbo had nothing then to offer us. After a few uses I found the mids were not clean so I started asking questions directly to Turbosound UK. To make a long story short Turbosound replaced all the cabinets with blue ones direct from the UK and no longer had them built in Canada. Also, all the drivers had Turbosound stickers on them. Through research and the original "not quite Turbo" black boxes, it was easy to figure out the Fane and Beyma relationship. We docuemented everything which is why I am sitting on so much info. Box construction, x-over construction with coil values, what Fane baskets were used. We actually built a box with stock Fane from back then as a test. Well 40 years later I dug out two boxes and all of the stock parts I had in stock. Cool referring to docuementation I did so many years ago. Anyways, if you need info I can help. I also have two additional original woofers for some reason that I cant recall. I would like to find two of the original turbine style mid waveguides so I can complete the project. I dont need the dam things now but would like to find the waveguides. As soon as I hit ten points, I will post the pics of the raw drivers and such.
Sorry about the PM.
Cheers
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Posted By: tv00
Date Posted: 22 January 2014 at 1:41pm
NICE, or sent me an email now that PM doesn't work? it is: mosaikki at gmail dot com I don have two 10" waveguides, but they are not original:-) Are you trying to fix the two boxes you've found? You could also sell them to me:-) -I'm looking for 2 pcs as I can not bare putting tms- 2 serial number 2 & 4 into work, after all as 1 & 3 have burned these appears to be the two first in the world!
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Posted By: Rknoll
Date Posted: 22 January 2014 at 1:47pm
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Further to original Turbo waveguide, I found someone with an original mold who can still make them. Hard to beleive but true. Not cheap though.
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Posted By: Rknoll
Date Posted: 22 January 2014 at 1:49pm
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What is it that you are in need of tvoo and what is your location?
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Posted By: tv00
Date Posted: 22 January 2014 at 1:51pm
Really? Not cheap? I can make them cheap, but the mold is expensive. I use 2 component plastic that grows in to hard foam, much like the original material and VERY cheap! Only thing is that I have to show up when my friend is running a production otherwise it'll be very expensive to start up just to make a waveguide!
Does he only have a single? Guess it's not for sale:-)
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Posted By: tv00
Date Posted: 22 January 2014 at 1:55pm
Hello, Emails are easier. My location is Denmark. Looking at my first PM-post I'm asking for original turbo parts & knowledge about the very first boxes, serial 2 & 4 is here and I just had some cd-101 from John Newsham at F1 for free! THANKS:-) In particular I'm curious about the first original 15" drivers, fane I believe, and the others as well.
Secondly I'm looking for 2 more boxes, as I can't Bare putting serial 2 & 4 on the road / into service.
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Posted By: Rknoll
Date Posted: 22 January 2014 at 2:01pm
Posted By: tv00
Date Posted: 13 April 2016 at 8:25pm
I wonder how old these boxes are, what's the serial numbers? I have tms-2 serial 2 & 4, they also have the black backbowls
------------- www.facebook.com/babysoundsystem
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