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2way reggae sound systems!

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Old Croc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote app Quote  Post ReplyReply Direct Link To This Post Posted: 17 November 2014 at 12:50pm
We can talk about it all as long as it stays 2way somehow :D

It would be possible to run a whole sound by using just one amp which might be one reason why 2way sounds were more common back in the days?
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Young Croc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote corell Quote  Post ReplyReply Direct Link To This Post Posted: 17 November 2014 at 1:02pm
best two way (2 frequency bands) system possible (imo) would be a FAST (fullrange and subwoofer technology). not that many PA- fullange drivers available though...
or as much 15" as you can afford (eg 15ndl76) and bms 4550 on top, some eq for more sub.

if we are talking "two box systems" (??), 18" BR and 12" 1" top is no issue at all (just the passive x over for the top needs to be designed and not off the shelf)

thomann tsa 4 1300 to power it
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Old Croc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dub Specialist Sound Quote  Post ReplyReply Direct Link To This Post Posted: 17 November 2014 at 1:11pm
Cool man, so this could take us back to the old days when you could run 4x16ohm 18" drivers parallel wired off one channel ie 4ohm load, or 8ohm drivers in series ect, ie Quad box/Four Face 

then 2x 16ohm 15" or 12" drivers for mids parallel wired again 8ohm load, so that leaves ya with iether 4x bullets wired with a combination of series/parallel wiring or a bank of Piezos, on the orther channel, on passive crossovers..

ie one amp...it can be done!Big smile 


Edited by Dub Specialist Sound - 17 November 2014 at 1:13pm
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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Young Croc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SMP Quote  Post ReplyReply Direct Link To This Post Posted: 17 November 2014 at 3:01pm
Originally posted by KidCreole KidCreole wrote:

You need to stick to repairing amps and leave us to make peizos sound nice Thumbs Up


I cannot help but notice you are not answering the questions.  You can always say that you do not know the answers. there is no shame in lack of knowledge. i just got the impression from yourself you were skilled the art.

If this is the case just answer the questions posed. but I am willing to accept you cannot do so & will therefore continue to misuse PZT's

incidentally your utilisation actually makes them sound bad . but you do not know this either. but you seem to think that hiding your inadequate knowledge behind childish jibes at me. This will do nothing to make them work properly. Or further your very minimal knowledge of the subject. It also makes me wonder what other mistakes you make in your "Designs". so in future try not to offer incorrect advice to someone.
just accept that you are not qualified to do so.

leave that to those of us who have a comprehensive understanding of the Physics involved. & BTW I do not just repair Amplifiers I do design them but use a Bench Eng to do simple tasks such as repairs
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mini-mad Quote  Post ReplyReply Direct Link To This Post Posted: 17 November 2014 at 3:06pm
Cut a very long thread, Charlie and give the OP a samll picture as to bow HE can wire in PZTs to bis system please so we can all learn and he can crack on with his 2way system...... please.



Edited by mini-mad - 17 November 2014 at 3:07pm
If it sounds like a gorilla is trying to escape, turn it down.
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Old Croc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mini-mad Quote  Post ReplyReply Direct Link To This Post Posted: 17 November 2014 at 3:08pm
I give up editing... so many mistakes.... so little time...

If it sounds like a gorilla is trying to escape, turn it down.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SMP Quote  Post ReplyReply Direct Link To This Post Posted: 17 November 2014 at 3:21pm
Originally posted by app app wrote:

Size wise a proper 2way sound system seems like a good idea to me. And you can build 3way top speakers to go with your 4way preamp.

Is there any classic top speaker designs sounds used to have back in the days when they were 2way?

I wonder what was the frequency the speakers of the weight and treble sounds were crossed...
edit. was the bass speakers given more freq since the sound was 2way?

points were usually around 150 ish  back then a lot of reggae Sound Systems used the like of tannoy as mid top sounds such as Lord Koos would use them via passive networks to remove the lower registers and 12 or 15 for the lower midrange effectively using the Tannoy Cone as a horn with wide dispersion  also back then Goodmans driver were the favourite to be found in the Enclosures which were very large with little regard to any real design science scoops were not so common place which was nice as the Bass albeit not tuned properly sounded much better than Scoops which on the whole when they first were started to be used were awful things not designed at all well as the horn was very basic as most builders did not understand how they actually worked missing out much of the throat design entirely "designing them by what you could see from the exterior appearance
PZT were not  used back then relying instead on proper HF devices
to add back then most Turntables were fitted with  "Crystal Pickups" or as I am sure Kid Creole is aware are also PZT's or Lead Zirconite  which are a displacement device that did not need RIAA eq Magnetics came much later in time
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Young Croc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gee136 Quote  Post ReplyReply Direct Link To This Post Posted: 17 November 2014 at 3:45pm
Originally posted by SMP SMP wrote:


as for the 2way Reggae sound very old's cool we used to call them "Weight n Treble" TUAC used to make pre-amps called just that. then as the pre's evolved more bands were commonplace 

Clap  Clap 

Yes SMP, Boom Pre Amps Thumbs Up 

We grew on listening to sounds playing off them, most of the "Tuffest" sounds back in the mid 80's from South London used to controls tings with the TUAC Weight & Treble Pre's  LOL 

This is why 5/6 years ago Goverment "weight & Treble" of Preston was designed & built around the TUAC 2way sound, @ the time we couldn't find a TUAC so we got Charlie to convert one his 3way pre's for us, then we got Mostec to built & convert his 3way to play 2way "effortlessly" for us, & the rest is history.......

Trick is to find a very good crossover builder for your mid/top box so you "fling" a full range signal @ them & it will just perform.................... (provided right components are used)

Bass for us is strictly below 40hz "Roots & Dub is the only music permitted on Goverment" from our DIY double reflex boxes, 21"s & 18"

If you asking about frequencies, I've got no idea LOL  Strictly Pre amp controls & our EARS LOL..........

Respect.............. Thumbs Up
Goverment Sound (weight & treble roots machine)

When Goverment ah play, infidels, ginals & masqueraders run away.....
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dub Specialist Sound Quote  Post ReplyReply Direct Link To This Post Posted: 17 November 2014 at 4:28pm
This could be a very intersting thread and refreshing TBH , Lets not forget the question ,

OP- It would be possible to run a whole sound by using just one amp,

would like to orther people view/opinions on set up too...




let them orther 2 members fight it out between them selfs...




Edited by Dub Specialist Sound - 17 November 2014 at 4:32pm
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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Post Options Post Options   Thanks (0) Thanks(0)   Quote SMP Quote  Post ReplyReply Direct Link To This Post Posted: 17 November 2014 at 4:37pm
nice to see an older form of kit being used. Kidcreole is a Dunce with the usual lack of knowledge I come across far too often. they try to take the piss to hide the Bruised egos when it is asked to qualify the "Knowledge" they consider they possess even though it does not truly exist except in their own imagination
I started studying Electronics age 7 & have been learning my whole life as you can never stop when something is a passion such as I have.
I do very little else 7 days a week than Sound Engineering drives my Women crazy I am most happy when i am working on something with a Spliff hanging from my mouth.

i like your use of Reflex Bass Systems as Scoops are awful devices that make a "Noise" but very little Music I do not see any point in Loud for it's own sake the quality of the Audio is far more important than it's level. reggae is all about Bass and therefore should play real notes not just a Monotonic noise with Harmonic overtones this is what make you wine up n skank then it sounds sweet and has vibes.

I love my Reggae Musici started collecting Records age 9 my first was a Coxsone Album which I still have called "Reggae Special" has some serious tunes on it such Feel like jumping, Ram Jam, The rock. I am sure it is known to you mine is still mint & worth a lot more than the £1 it cost me then.

I have thousands now they fill a double garage and the Loft and any other space I can cram them into. being fairly flush nowadays allows me to keep buying them "Wholesale buying whole collections and I must be given several thousand in some years by various sources some free some we swap for Ice-cream of all things!!!  i have lots of soul Jazz funk Motown jazz rare Groove  I only love my Children more than tunes!!!

i am currently trying to get my Bench back online to complete 4 Pre-Amps 1 for me a 4 way stereo with 32 eq bands 16 are sweeps on the outs for a little flexibility!! all the crossovers are sweepable LR 24dB Oct switch-able to 18 & 12 db Oct  all inputs/channels have dual sweep mids & switch-able hi & lo bands all broadcast/Studio quality circuits.
Overkill but worth the bother

you keep the vibe you have going  Big up Government sound hope to hear you play sometime 
One Love


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Young Croc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gee136 Quote  Post ReplyReply Direct Link To This Post Posted: 17 November 2014 at 6:10pm
Nuff Respect SMP Thumbs Up 

@ app

One amplifier running a 2way system?

There is some serious 4 channel amps on the market @ the moment so I guess it is possible bro.....

Respect.................. Thumbs Up
Goverment Sound (weight & treble roots machine)

When Goverment ah play, infidels, ginals & masqueraders run away.....
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Post Options Post Options   Thanks (0) Thanks(0)   Quote app Quote  Post ReplyReply Direct Link To This Post Posted: 17 November 2014 at 6:13pm
I really enjoy reading about the history of sound systems,give thanks!

I want my own sound system to be simple and sound good. I understand the point of using 3way or 4way systems but they need more amps take more space etc than the "classic" 2way.

Seems like many sound systems are like copies of eachother,almost everyone is using scoops and the point is just to be loud and heavy,which is nice too. Too bad that the big systems to actually sound good will need a proper space to play it. With a smaller sound it is easier to find places to play and experience will still be heavy+its easier to move the system which means you can use it more often.

Theres good and bad in everything.

150hz crossover seems quite high but there must be some benefits to it?


"what!?"
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