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Multi-Way Conventional loudspeakers with crossovers

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Old 21st October 2012, 09:09 PM   #1
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Default Westlake BBSM6

Hi im sure you guys have heard it all before...
I have a pair of the old Westlake Audio BBSM6 studio monitors that need replacement drivers.
I would love to source and repair/replace and have spares for all.
and maybe even recap crossover.

I seem to recall them using AUDAX\Polydax and SEAS drivers

Tw025 tweeters
i see 2 types here

A0
A2

The Madisound Speaker Store
not to sure which one to use.

audax MHD12 for the mid???
I have only one..original owner never had both.. i can re-foam this driver but need to find a duplicate or a fresh pair..

Seas bass driver unknown look like
P17RC/TV think maybe this is the driver?

P21REX/DD (H596)

Strassacker: Speaker Building, Components

Im aware that some of the drivers are becoming rare...Im not into westlakes suggestion of shipping for service..
cost...$1000 round trip shipping
$1000 each for replacement mid range replacement and crossover hack.
total $3000
this is a very expensive fix..that im sure the knowledge on this site can remedy for a fraction of cost.
i have also heard from others that the westlake mod does not sound as good as the originals..

can anyone suggest a plan..
the real replacement serial numbers
source for spares
and if the mid range are no where to be found, a mid driver that falls in as a very close match.

Thank you all!

Last edited by Studiopaul2; 21st October 2012 at 09:33 PM.
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Old 21st October 2012, 09:14 PM   #2
tinitus is offline tinitus  Europe
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I have no idea, but they have audax woofer for a Westlake ?

www.audax-speaker.de
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Old 21st October 2012, 09:54 PM   #3
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Default SEAS

SEAS VINTAGE PRESTIGE WOOFERS
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Old 22nd October 2012, 12:08 AM   #4
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LOOKING FOR WESTLAKE BBSM 6 Monitors - Gearslutz.com

looks like the same problem!
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Old 22nd October 2012, 12:09 AM   #5
Dissi is offline Dissi  Switzerland
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Location: Winterthur
How about the Faital Pro 3FE20 as midrange? 91 dB from 500 Hz to 5KHz!
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Old 22nd October 2012, 12:14 AM   #6
tinitus is offline tinitus  Europe
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Quote:
Originally Posted by tinitus View Post
I have no idea, but they have audax woofer for a Westlake ?

Proraum Vertriebs-GmbH | Startseite
they have the Audax replacement for that mid too

Quote:
Originally Posted by Dissi View Post
How about the Faital Pro 3FE20 as midrange? 91 dB from 500 Hz to 5KHz!
it would most likely mean major crossover changes
Attached Images
File Type: jpg audax pr170m0.jpg (17.4 KB, 269 views)
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Old 22nd October 2012, 02:08 AM   #7
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Default audax/polydax and seas

look the same but i dont think thats the Audax MHD12

would like to find someone who knows first hand what the model numbers are.
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Old 22nd October 2012, 03:13 AM   #8
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Audax MHD 12 | 12, audax, doityourself, lautsprecher, mhd | hifi-forum.de Bildergalerie

think this is the mid driver used
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Old 22nd October 2012, 10:46 AM   #9
Dissi is offline Dissi  Switzerland
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Location: Winterthur
I have to withdraw my proposal of the Faital Pro 3FE20. Two independent reviews in german loudspeaker magazines show 3 dB less sensitivity below 1 kHz than the manufacturer claims!

The Audax PR170MO is completely different from the MHD12 and requires certainly a new crossover.

I checked my driver database for 4" drivers having 8 Ohm and a SPL around 91 dB. No results except the Fostex FF125 and FE126. But both have a perturbance at 1.5 kHz and a peak around 6 kHz, while the MHD12 had a flat response with a nice roll-off. It's a pity that this kind of driver doesn't exisit anymore!
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Old 22nd October 2012, 12:31 PM   #10
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yes its a shame, if something is made well, why discontinue it??

wondering if there are any old school collectors that may have some remaining on a dusty shelf.

so i feel that we have identified tweeter and mid,, anyone know what the bass driver is?
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