Resurrecting an old sub with a replacement driver - Home Theater Forum and Systems - HomeTheaterShack.com

 
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post #1 of 7 Old 01-15-12, 08:54 PM Thread Starter
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Resurrecting an old sub with a replacement driver


Hey folks,

I have an M&K 8Ē subwoofer that needs a new driver. It has a 0.5 cu. ft. sealed cabinet. No telling how old this thing is, so any hopes of a factory replacement are probably nil. Itís going to be used for a non-critical application, so performance to original specs isnít a requirement. Still, Iíd like to get all I can from it (read extension). Iím thinking I need a driver with a low Fs that can get it in a small enclosure? Any recommendations?


Regards,
Wayne



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post #2 of 7 Old 01-15-12, 09:00 PM
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eBay is loaded with old M&K drivers for sale.
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post #3 of 7 Old 01-16-12, 01:23 AM
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Re: Resurrecting an old sub with a replacement driver

Is there a model number on the subwoofer?




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post #4 of 7 Old 01-16-12, 12:15 PM
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Re: Resurrecting an old sub with a replacement driver

The Tang Band W8-740p works well in small sealed enclosures, I have a couple in the house and in my car, very good performers for the price. How much amp power do you have? They're kinda power hungry, you'll probably want at least 100w to power it.
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post #5 of 7 Old 01-17-12, 12:56 PM Thread Starter
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Re: Resurrecting an old sub with a replacement driver


Thanks for the suggestions, everyone.


Quote:
Mike P. wrote: View Post
Is there a model number on the subwoofer?
It's a VX-7. There are a couple of replacement drivers for it on eBay right now. I think the amp is only 50 watts, so it looks like I'll have to go that route over the Tang.

Regards,
Wayne




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post #6 of 7 Old 01-21-12, 08:37 PM Thread Starter
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Re: Resurrecting an old sub with a replacement driver


Replacement driver eBayed and in the mail – thanks for the suggestion, Chris! The stock driver is about 2 ohms, so that pretty much nuked the idea of using the Tang Band (much as I would have loved to try it!).

Regards,
Wayne



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post #7 of 7 Old 01-21-12, 09:29 PM
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Re: Resurrecting an old sub with a replacement driver

Using the Tang Band driver with that amp will still likely out perform the original stock driver, and if all else fails, order the sa-100 amp from parts express and use the speaker level inputs from the stock amp as it sounds like is a computer speaker setup where the main channels are powered from the sub amp.
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