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How to Bridge TFM-4.0?

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seehear

Newbie

Posts: 2

Joined: Sun Jun 21, 2009 1:09 am

Post Sun Jun 21, 2009 1:25 am

How to Bridge TFM-4.0?

Hi, I have a TFM-4.0 that I want to use as a sub amp. It has a bridge button, but there are no indications as to which speaker wire should go where (or which input to use). Does anyone have a manual or experience bridging this amp? If so, please advise. I have owned this amp since new (it's number 18) and dont want to kill it now. I am currently using a Hafler 9270 that does a passable job as sub amp but runs too hot. My hope is the 4.0 will make more power and less heat.

Thanks in advance.
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engtaz

User avatar

"TAZ"

Posts: 5253

Joined: Sat Jun 30, 2007 1:43 pm

Location: Tampa, FL

Post Sun Jun 21, 2009 6:29 am

Re: How to Bridge TFM-4.0?

Welcome seehear. Take a channel from pre amp and feed it to both right and left inputs of the amp with a Y connection. Looking at the back of the amp. The left red speaker output is the positive and the right red speaker output is the negative. Push the mono button in.
engtaz


Carver M4.0T in front channels to Caver AL VI's in SACD & 2 Channel setup
C 16, PT 2400, Slim Device, Carver TX-8, 490T and Rega TT w Grado Gold cart in the 2 channel setup
Bogen SRB20 is computer amp
Carver PM-350 donated for youth church use
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seehear

Newbie

Posts: 2

Joined: Sun Jun 21, 2009 1:09 am

Post Sun Jun 21, 2009 10:05 am

Re: How to Bridge TFM-4.0?

Thanks, I am going down to rat shack to get a Y cable now. Will be bumping along by afternoon, I hope!

Happy Father's Day to all the daddies out there!

SeeHear
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thuffman03

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!! CarverFest Evictee !!

Posts: 2706

Joined: Fri Sep 19, 2008 10:07 am

Location: Pittsburgh, PA

Post Sun Jun 21, 2009 11:13 am

Re: How to Bridge TFM-4.0?

I thought that you needed only to put the source into the left channel?
Some cool Carver stuff!
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engtaz

User avatar

"TAZ"

Posts: 5253

Joined: Sat Jun 30, 2007 1:43 pm

Location: Tampa, FL

Post Sun Jun 21, 2009 12:03 pm

Re: How to Bridge TFM-4.0?

Not per the owners manual:
Mono 4.0.JPG
Mono 4.0.JPG (92.25 KiB) Viewed 467 times
engtaz


Carver M4.0T in front channels to Caver AL VI's in SACD & 2 Channel setup
C 16, PT 2400, Slim Device, Carver TX-8, 490T and Rega TT w Grado Gold cart in the 2 channel setup
Bogen SRB20 is computer amp
Carver PM-350 donated for youth church use

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