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Old 5th October 2006, 03:47 PM   #1
percy is offline percy  United States
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Default 3" driver with 3/4" mounting depth

trying to find a 3" driver that has a very shallow mounting depth. About 3/4" is the max. Any ideas what I could consider ?
This is for replacing the inside speaker of a couple of sortwave/communications receivers so doesn't have to be hi-fi, just something that doesn't sound really bad! or is atleast listenable!
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Old 5th October 2006, 05:51 PM   #2
Relax is offline Relax  United States
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I got 60 3" drivers 45 ohm that would work.
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Old 5th October 2006, 06:22 PM   #3
percy is offline percy  United States
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45 ohm ? although anything in the 4 to 16 ohm range would be better, this might be worth trying, because I haven't found anything else yet . What is it you have got ? Could you provide any more details ? Thanks.
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Old 5th October 2006, 08:47 PM   #4
Zaph is offline Zaph  United States
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The Aurasound NSW2 might work for you. If you mount from the flange back, it's 1/2" depth, with the remaining 1/4" available for venting some of the back pressure.
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Old 5th October 2006, 09:19 PM   #5
Relax is offline Relax  United States
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I got 60 of them from BillF. No parameters but heres a picture:

http://www.diyaudio.com/forums/attac...amp=1155323525

Now that I look at them, they are 1 inch deep from back of mounting flange.

If you want a couple I can spare them no problem, just shipping for ya.
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Old 6th October 2006, 02:43 AM   #6
percy is offline percy  United States
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zaph, mounting that 2" driver with the extra voluptous surround foam might be tricky. The flange dimensions might be off too.

relax, before I have you send one or two all the way here would you mind measuring the dimensions of those puppies ? I need the flange and mounting hole distances, mounting depth and also the magnet diameter.
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Old 6th October 2006, 02:59 AM   #7
Relax is offline Relax  United States
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sure thing:

They are exactly 3" x 3". The holes are 2 1/4" apart and 3/8" from the edges. Exactly 1" from flange to magnet backplate, and magnet is 1 5/8" diameter.

Also- I am in Dayton, MN. SO its not that far.
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Old 6th October 2006, 03:05 AM   #8
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Percy, what is it you want to do with those speakers? As far as I know 45-ohm drivers are usually used in commercial or office environments for PA/paging purposes but I imagine using 4 in parallel can lower impedance enough for audio use... I'm just being curious.
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Old 20th October 2006, 06:45 PM   #9
percy is offline percy  United States
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Hi relax,
just wanted to let you know that I am following a few good leads that might help me find a speaker that is a better fit - both physically and electrically.


http://www.kiwa.com/ATS909.html (see note about replacement speaker at the bottom of the page)
http://www.radiolabs.com/products/re...s/super909.php (their audio mod includes a different speaker with better fidelity)
There is also buzz about the Sony 7600/7601 receiver speaker being of great sound quality so that is also an option.

willitwork, like I said in my original post I am looking at replacing the stock speaker on a communications receiver -
http://www.universal-radio.com/catal...rxvr/2786.html
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Old 20th October 2006, 07:56 PM   #10
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