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Old 17th November 2012, 08:25 PM   #1
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Default What is this driver good for ?

A friend of mine gave me this unused diver.

I tried using WInISD, but could not understand what this driver must be designed for? When with closed enclosure, It gives over 200liters.

the TS are as follows.

Qts : 0.718
Vas: 57.7L
Fs: 40Hz
BL:6.2
xmax:3.8mm

(TS is provided by him. he says seller gave him those. )

What do you think what is this driver good for ?
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Old 17th November 2012, 11:22 PM   #2
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OB woofer? How big is it?
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Old 17th November 2012, 11:36 PM   #3
sreten is offline sreten  United Kingdom
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Hi,

Its sealed mildly peaking (max efficiency alignnment woofer) probably 12"
Designed to work in a stuffed~ 30L (qbox=~ 1.2) to 60L (qbox = ~ 1).

rgds, sreten.

OB/IB is possible of course.
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Old 18th November 2012, 02:04 AM   #4
GM is offline GM  United States
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Ditto TL.

GM
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Old 18th November 2012, 12:28 PM   #5
tvrgeek is offline tvrgeek  United States
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Xmax only 3.3 would not be a very powerful sub unless it's pretty large diameter.

OB, Can you give us a few more hints? Size, material, picture? You are asking too much with too little.
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Old 18th November 2012, 06:43 PM   #6
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Thank you all for showing interest in this thread.

Quote:
Originally Posted by Cal Weldon View Post
OB woofer? How big is it?
8 inch.

Quote:
Originally Posted by sreten View Post
Hi,

Its sealed mildly peaking (max efficiency alignnment woofer) probably 12"
Designed to work in a stuffed~ 30L (qbox=~ 1.2) to 60L (qbox = ~ 1).

rgds, sreten.

OB/IB is possible of course.
I did simulate using WinIsd, but it limits lower to nearly 45 Hz. But the Xmax is low too. I think what you said would make it more practical. BTW max power rated is 75W

Quote:
Originally Posted by GM View Post
Ditto TL.

GM
I am titaly new to TL, but would be interested. Can I request you to suggest me the enclosure parameters (rough).

Quote:
Originally Posted by tvrgeek View Post
Xmax only 3.3 would not be a very powerful sub unless it's pretty large diameter.

OB, Can you give us a few more hints? Size, material, picture? You are asking too much with too little.
Its a paper cone. I will upload Pic tomorrow morning. also I have plans to measure its TS myself. ( my desktop monitor, which has LIMP installed has some problem.)

thanks again to you all. More words are welcome.
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Old 18th November 2012, 08:28 PM   #7
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Sounds like an excellent candidate for a big midrange in a big system [think 15" woofer or more]. Consider using it in a "holey" or open back system. The high Q units seem to perform well in those. Looks like an XO of around 150 - 200 might work for power handling. How high can it go? That can determine the cost of the tweeter.

Post some pics please.
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Old 19th November 2012, 05:06 PM   #8
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Just a curious thought. did you want the pics for the size of magnet ?

I am habitual of listening drivers when I get them. I take my ear close to it. and play some music at a audible level. I heard many but this one had a good tight deep bass. and a clean vocal. I know its foolish to listen this way but just have put it here, if it could point out something.
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Last edited by Aucosticraft; 19th November 2012 at 05:13 PM. Reason: just wanted to add
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Old 19th November 2012, 11:20 PM   #9
GM is offline GM  United States
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Not me, just waiting on specs.

GM
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Old 20th November 2012, 06:03 AM   #10
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Ok, GM.

I don't have rest of the specs readily available. I would be measuring those at the weekend. ( In couple of days I should get my desktop monitor repaired. and unfortunately my laptop don't support Aux or line in for making LIMP to work.)
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