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Thomann´s cheap 18" driver in G-sub?
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Old Croc
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    Posted: 30 March 2015 at 2:18pm
Full parameters for the driver here:
http://petoindominique.fr/php/mysql_thiele_seul.php?hp=4688
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Points: 76 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Miles Quote  Post ReplyReply Direct Link To This Post Posted: 30 March 2015 at 1:45pm
don't know Eminence 18inch drivers exept for the kilomax which is in another RMS Range....



Edited by Miles - 30 March 2015 at 2:20pm
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Points: 1855 		Post Options Post Options   Thanks (0) Thanks(0)   Quote all bass Quote  Post ReplyReply Direct Link To This Post Posted: 30 March 2015 at 9:54am
Originally posted by app app wrote:

I think that the 18-5008a is not suitable for a scoop...
TSP do not look like a (backloaded)horn type driver.
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Points: 4410 		Post Options Post Options   Thanks (0) Thanks(0)   Quote nickyburnell Quote  Post ReplyReply Direct Link To This Post Posted: 30 March 2015 at 8:45am
@Miles. Nice review, as for the varished bit, dopeing cones is a DIY job.

@Dub Spec Sound    I recon the comparison is more low end 600w P Audio stuff.
 
 They look similar in sims in 200l boxes, can't get that low flat bit that an XB does and seem to do that climb towards 100hz that all cheap drivers do.

 Omega pro is overpriced, but in a kick type cab or some horns is cool at used prices.
 Sigma pro is another thing, only 3" coil but nice driver, can be had cheap via Euro exchange issues at the moment. I'm told it goes well in a scoop too, Lev will have the details I think?

 If it has to be new driver then The Box is proper value, but a used XB or Sov Pro makes more sense if available IMHO.
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Points: 4873 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dub Specialist Sound Quote  Post ReplyReply Direct Link To This Post Posted: 30 March 2015 at 2:38am
Interesting read that Miles,

would anyone say that these drivers are on par with say Eminence sigma,omega? or are thay a better driver

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Joined: 26 December 2013
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Points: 2435 		Post Options Post Options   Thanks (0) Thanks(0)   Quote app Quote  Post ReplyReply Direct Link To This Post Posted: 29 March 2015 at 9:29pm
I think that the 18-5008a is not suitable for a scoop...
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Miles View Drop Down
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Points: 76 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Miles Quote  Post ReplyReply Direct Link To This Post Posted: 29 March 2015 at 9:15pm
We use 4 of them for 3Years now in superscoop designs, 2of them did easy 500hours soundsystem and live sessions the last years - measured them few times also in reflex design... 

...they are kind of nice, but they have a clear limit at +-1000w per driver  - The Xmas is not very good, U can use them better for "fullrange" or reflex design and small live music stuff -  its medium sound & bass (pressure) quality, but with quality amps its getting ugly pretty soon, like one guy wrote here just before clipping it is starting to get decent, thats all u get, I would recommend getting 2pd's or voids for the price of 4 thomann 18er instead, preassure & quality-wise, you would need like 8 thomann to compete against 4 pd's or similar price range just for "bass-quality", still a good bargain...

...The Paper is not varnished - that is a big no-go, but the rest of the driver is kind of solid & like mostly all china-licence stuff from thomann is running for a few years without problems.... getting pretty hot though in a scoop. We gonna varnish them with foam or some heavy paint and then run a few more sessions before an upgrade to new 18inch drivers....




Edited by Miles - 29 March 2015 at 9:25pm
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Old Croc
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I think you need to get one and do some testingThumbs Up
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I'm sure nothing, just looking for the way they do them so cheap besides China mfr. No wonderful tech like inside/outside winding, edge wound flat wire coil, copper coil etc. No Kevlar impregnated cone.....
I personally would always get a used Brit/Italian driver but I would love to get one of these and compare. My 600w XB's will give up a bit of distortion at 600w with some 40hz boost in reflex and these are dual spider and all the posh bits. Pity Wally didn't say how they compared to the Beymas?
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Joined: 26 December 2013
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Points: 2435 		Post Options Post Options   Thanks (0) Thanks(0)   Quote app Quote  Post ReplyReply Direct Link To This Post Posted: 15 March 2015 at 7:51pm
Originally posted by nickyburnell nickyburnell wrote:

One thing I noticed in the specs of these, also the Studiospares (Soundking) is the round wire coil. Tempted to back to back one of these with my XB 600's. There are some mighty cheap 3" coil NEO P Audios about too.


Could you open up a bit more what you mean,whats up with the round wire coil?
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Points: 4410 		Post Options Post Options   Thanks (0) Thanks(0)   Quote nickyburnell Quote  Post ReplyReply Direct Link To This Post Posted: 15 March 2015 at 7:42pm
One thing I noticed in the specs of these, also the Studiospares (Soundking) is the round wire coil. Tempted to back to back one of these with my XB 600's. There are some mighty cheap 3" coil NEO P Audios about too.
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Joined: 26 December 2013
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Points: 2435 		Post Options Post Options   Thanks (0) Thanks(0)   Quote app Quote  Post ReplyReply Direct Link To This Post Posted: 15 March 2015 at 6:43pm
On this page are few plans for the 18-500 8a. http://www.lautsprecherforum.eu/viewtopic.php?t=4561

This is a comparison from the site above between 18-500 BR plan (with 2 different port designs) and the JB-sub118 which I decided to build. If I understand correctly. Correct me if Im wrong.

Grau: Normal (Pegel-BR)
Gelb: Eckport (Mittelding)
Blau: JB-Sub118 (Tiefgang)



There is also a few other plans for the driver. Check it out!


Edited by app - 15 March 2015 at 6:45pm
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