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subwoofer advice

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Chauss

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(pair of) SILVER-7t's

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Joined: Tue Mar 22, 2011 4:35 pm

Location: In my own little world.....

Post Sun Dec 18, 2011 12:09 am

Re: subwoofer advice

Do a google search for "passive subwoofer"- there are still plenty out there.
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Good sound—like good music, good wine and good fellowship—is meant to be shared.
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EndersShadow

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TFM-55

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Joined: Thu Jun 30, 2011 3:58 pm

Location: Indiana

Post Sun Dec 18, 2011 12:16 am

Re: subwoofer advice

I may be missing it here, but if its a passive sub, you will need 3 channels of amplification, one for each speaker.

Can the TFM-75 do that?
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angelod307

SILVER-7 TUBE AMP

Posts: 2724

Joined: Sat Jun 06, 2009 10:56 pm

Location: manning, sc

Post Sun Dec 18, 2011 12:27 am

Re: subwoofer advice

Just Build one
CarverFest: I just go for the arts and crafts
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angelod307

SILVER-7 TUBE AMP

Posts: 2724

Joined: Sat Jun 06, 2009 10:56 pm

Location: manning, sc

Post Sun Dec 18, 2011 12:30 am

Re: subwoofer advice

EndersShadow wrote:I may be missing it here, but if its a passive sub, you will need 3 channels of amplification, one for each speaker.

Can the TFM-75 do that?

NO problem, I will give up two 55's and a treo 15 Dvc in a custom box for a 75.
CarverFest: I just go for the arts and crafts
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PDR

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TFM-45

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Joined: Thu Jul 10, 2008 3:57 pm

Location: Linbrook, Alberta Canada

Post Sun Dec 18, 2011 1:17 am

Re: subwoofer advice

The x-over would have to be re-worked for a passive unless you use a filter.....not the best solution.
Or you would have to go active.....that would be cool but you would need more amps.
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frankieD

Frankie The Mouth

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Joined: Fri Mar 16, 2007 2:38 pm

Location: So Cal

Post Sun Dec 18, 2011 1:32 pm

Re: subwoofer advice

Most "passive" subs have a built in crossover that will pass the signal (-the lows) on to the mains.

I run mine that way.
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Don

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(pair of) SILVER-7t's

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Joined: Tue Oct 28, 2008 10:46 am

Post Sun Dec 18, 2011 1:40 pm

Re: subwoofer advice

True Frankie. When I purchased a bunch of PSB Alphas for my home we were building 13 years ago, I also bought several matching PSB passive subs. Replaced one of the Sub speaker connections the other day. It has the crossover attached to the underneath of the speaker connection housing.

Was able to find an exact replacement from Parts Express. Then resolderied crossover attachment to back and then attached with silicone.
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