Large JBL horns

Defo · 22nd October 2009, 07:44 PM

Where can you get large JBL (or another brand) cinema compression driver horns like these?

Steve Eddy · 22nd October 2009, 07:47 PM

JBL 2360A I believe. They turn up on eBay quite often.

se

badman · 22nd October 2009, 08:48 PM

Quote:

Originally Posted by Steve Eddy

JBL 2360A I believe. They turn up on eBay quite often.

se

Yep, that's the one, big, expensive, expensive to ship.

But the Buttcheek horns are well-regarded. I've only heard a small version and not in a very precise demo, so it was a hard call as to how much the horn was doing. Sounded smooth though.

I've bid on a few 2360s but never got 'em for the 'experimenter's special' price.

WithTarragon · 22nd October 2009, 09:53 PM

Yes, that is the 2360. The horn requires an additional metal piece between the horn and the driver. I forget what it is called, but do not buy the horn without that adapter. The throat would be a 2 inch and can be used with a JBL 2445, 2446 or 2450 etc.

This is a JBL bi-radial and it is a CD horn that will control & load down to about 500Hz.

Big note of caution: in order to make it a CD horn there is a diffraction slot. One consequence is that unless you cross it over above about 700Hz or so (and cross it steeply), you will get a very noticeable degree of distortion. This due to forcing a huge amount of air through the relatively small slot.

There are other choices that you might want to listen to also.

norman bates · 23rd October 2009, 07:36 AM

There are the hr9040 horns by ev.........

and there are some large super coax horns at the jbl tent sale now

JBLPro Tent Sale

I believe you need a horn mouth a 3' wide by 3' tall for a true 500hz crossover point (12db) as it is free air for horn loading.

yggdrasil · 23rd October 2009, 10:17 AM

Try asking the same question on the Lansing heritage site.

Shipping will be expensive, but you will survive using e.g. jetcarrier.com.

DRNB · 23rd October 2009, 12:25 PM

I have a set of Altec Lancing 311-90 at home. These specs: http://www.altecpro.com/pdfs/vintage...0HF%20Horn.pdf
I tried to give them away but there was not too much interrest. Only problem is, I'm in South Africa

jpbturbo · 23rd October 2009, 03:33 PM

My father has a set of the JBL butt cheek horns at his house that a friend gave him for free.

Now to find some 2" drivers for free...

Defo · 28th October 2009, 12:27 AM

What horns are these?

sbjacob · 31st October 2009, 06:43 AM

Those are Klipsch KPT-402 horns and the speaker system is a Jubilee KPT-535 Cinema Speaker

22nd October 2009, 07:44 PM	#1
Defo diyAudio Member Join Date: Nov 2008	Large JBL horns Where can you get large JBL (or another brand) cinema compression driver horns like these?

23rd October 2009, 03:33 PM	#8
jpbturbo diyAudio Member Join Date: Sep 2009 Location: The High Country	My father has a set of the JBL butt cheek horns at his house that a friend gave him for free. Now to find some 2" drivers for free... __________________ ...sword and pistol by his side.

31st October 2009, 06:43 AM	#10
sbjacob diyAudio Member Join Date: Oct 2009	Horns Those are Klipsch KPT-402 horns and the speaker system is a Jubilee KPT-535 Cinema Speaker

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22nd October 2009, 07:47 PM	#2
Steve Eddy diyAudio Member Join Date: Sep 2002 Location: Sacramento, CA	JBL 2360A I believe. They turn up on eBay quite often. se

22nd October 2009, 09:53 PM	#4
WithTarragon diyAudio Member Join Date: Jun 2007	Yes, that is the 2360. The horn requires an additional metal piece between the horn and the driver. I forget what it is called, but do not buy the horn without that adapter. The throat would be a 2 inch and can be used with a JBL 2445, 2446 or 2450 etc. This is a JBL bi-radial and it is a CD horn that will control & load down to about 500Hz. Big note of caution: in order to make it a CD horn there is a diffraction slot. One consequence is that unless you cross it over above about 700Hz or so (and cross it steeply), you will get a very noticeable degree of distortion. This due to forcing a huge amount of air through the relatively small slot. There are other choices that you might want to listen to also.

23rd October 2009, 07:36 AM	#5
norman bates diyAudio Member Join Date: Nov 2003 Location: iowa	There are the hr9040 horns by ev......... and there are some large super coax horns at the jbl tent sale now JBLPro Tent Sale I believe you need a horn mouth a 3' wide by 3' tall for a true 500hz crossover point (12db) as it is free air for horn loading.

23rd October 2009, 10:17 AM	#6
yggdrasil diyAudio Member Join Date: Sep 2005	Try asking the same question on the Lansing heritage site. Shipping will be expensive, but you will survive using e.g. jetcarrier.com.

23rd October 2009, 12:25 PM	#7
DRNB diyAudio Member Join Date: Jan 2008	I have a set of Altec Lancing 311-90 at home. These specs: http://www.altecpro.com/pdfs/vintage...0HF%20Horn.pdf I tried to give them away but there was not too much interrest. Only problem is, I'm in South Africa

28th October 2009, 12:27 AM	#9
Defo diyAudio Member Join Date: Nov 2008	What horns are these?

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