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Old 6th August 2011, 06:06 PM   #1
Djim is offline Djim  Netherlands
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Default Who can identify these drivers?

Who can identify these 12" drivers?
Any information is welcome


Weight = 9,9Kg
Diameter magnet = 21cm
Basket = Alu
Fs approx 50Hz

Hand written stickers say:

PR33LTX350
“AP 1503”
Suspension au
P1200
Kurt – elluellen
Spider – Kurt elluellen


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Last edited by Djim; 6th August 2011 at 06:24 PM.
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Old 6th August 2011, 06:38 PM   #2
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Those I believe are made by Audax.
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Old 6th August 2011, 06:46 PM   #3
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those might be RCF pro drivers made in Italy
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Old 6th August 2011, 06:52 PM   #4
Zero D is offline Zero D  United Kingdom
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@ Djim

Hi, looking at the plates on the back of the magnets, they "appear" similar to B&C and BMS drivers. Also the BMS recessed areas around the rear mounting circumference has a similar casting.

These links are just for a quick comparison, & as they are new models & yours look older ones, i wouldn't expect they would look exactly identical anyway !

B&C SPEAKERS

Drawing & Mounting
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Old 6th August 2011, 06:52 PM   #5
Djim is offline Djim  Netherlands
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Thanks so far, RCF never used these connectors...
B&C doesn't use these these connectors either and the backplate is flat.
Any ideas which Audax types?

Last edited by Djim; 6th August 2011 at 06:55 PM.
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Old 6th August 2011, 07:06 PM   #6
Zero D is offline Zero D  United Kingdom
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@ Djim

Quote:
B&C doesn't use these these connectors either
Not now, but "maybe" they used to ?

Quote:
and the backplate is flat.
Ahh, it looked curved from this photo !

Hope you discover what they are, let us know
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Old 6th August 2011, 07:30 PM   #7
GM is offline GM  United States
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Quote:
Originally Posted by 5th element View Post
Those I believe are made by Audax.
Agreed, their pro version of the PR330 IIRC ['X' in the model #].

GM
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Old 6th August 2011, 07:51 PM   #8
Zero D is offline Zero D  United Kingdom
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@ Djim

If it is an Audax, you might be able to find it in here AUDAX, LA PASSION DU HAUT-PARLEUR

http://www.audax.com/archives/PR330T...gue%201994.pdf

There are several PR330 models, but i don't see PR33LTX350 ?

Happy hunting
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Old 6th August 2011, 07:57 PM   #9
Djim is offline Djim  Netherlands
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Jep, seems 5th Element and GM are correct ,it is definitely an Audax PR330 driver.
So far the PR330T4 comes most close. I guess it's something custom made Zero D cause I also can't find any info specific to the PR33LTX350.

Last edited by Djim; 6th August 2011 at 08:04 PM.
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Old 7th August 2011, 01:28 PM   #10
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What are you planning with these?
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