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5.1 Sub Rebirth

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Wardsweb

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M-400t CUBE

Posts: 166

Joined: Tue Nov 10, 2009 4:30 pm

Location: San Antonio, TX

Post Wed Nov 11, 2009 8:33 pm

5.1 Sub Rebirth

The design flaw for the sub amp is notorious. Repair is an option. If you need the owner's manual, service bulletin or schematic, I have them. I might even be able to dig up a few parts replacement International Rectifier parts. Parts are everywhere in boxes since our move. Anyway, back to my story. I found the quickest and easiest way to bring the sub (or two in my case) back to life was to just install a new plate amp.

Here is a pic of one of my Carver subs and a M&K that I used Parts Express plate amps in.

Image
~There are many roads to audio nirvana. While the ultimate goal may be the destination, don't forget to enjoy the ride.~
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Wardsweb

User avatar

M-400t CUBE

Posts: 166

Joined: Tue Nov 10, 2009 4:30 pm

Location: San Antonio, TX

Post Wed Nov 11, 2009 8:34 pm

Re: 5.1 Sub Rebirth

Here is the back view.

Image
~There are many roads to audio nirvana. While the ultimate goal may be the destination, don't forget to enjoy the ride.~
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Wardsweb

User avatar

M-400t CUBE

Posts: 166

Joined: Tue Nov 10, 2009 4:30 pm

Location: San Antonio, TX

Post Wed Nov 11, 2009 8:45 pm

Re: 5.1 Sub Rebirth

I even built a little summing box to take a stereo output and run a sub with it.

Image
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Wardsweb

User avatar

M-400t CUBE

Posts: 166

Joined: Tue Nov 10, 2009 4:30 pm

Location: San Antonio, TX

Post Wed Nov 11, 2009 8:46 pm

Re: 5.1 Sub Rebirth

It is a very simple circuit.

Image
~There are many roads to audio nirvana. While the ultimate goal may be the destination, don't forget to enjoy the ride.~
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engtaz

User avatar

"TAZ"

Posts: 5245

Joined: Sat Jun 30, 2007 1:43 pm

Location: Tampa, FL

Post Wed Nov 11, 2009 8:51 pm

Re: 5.1 Sub Rebirth

Is that a volume pot you have hooked up?
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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DaveS

User avatar

The OverLord of CarverAudio.com

Posts: 1348

Joined: Wed Oct 08, 2003 1:47 am

Location: Sunshine-Empire State

Post Wed Nov 11, 2009 8:55 pm

Re: 5.1 Sub Rebirth

Like your TT, looks like the one I almost bought off Audiogon awhile back.
The Constitution is not an instrument for the government to restrain the people, it is an instrument for the people to restrain the government - lest it come to dominate our lives and interests”.
- Patrick Henry
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kingman

User avatar

(pair of) SILVER-7 TUBE AMPs

Posts: 5744

Joined: Sun Nov 30, 2008 2:10 pm

Location: Upstate South Carolina

Post Wed Nov 11, 2009 9:01 pm

Re: 5.1 Sub Rebirth

Is there no end to what you can build? Very impressive!!! =D> 8) =D>
In reality, it only matters what it sounds like to YOU!!!
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Wardsweb

User avatar

M-400t CUBE

Posts: 166

Joined: Tue Nov 10, 2009 4:30 pm

Location: San Antonio, TX

Post Wed Nov 11, 2009 9:20 pm

Re: 5.1 Sub Rebirth

kingman wrote:Is there no end to what you can build? Very impressive!!! =D> 8) =D>


You have no idea. 8)
~There are many roads to audio nirvana. While the ultimate goal may be the destination, don't forget to enjoy the ride.~
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Jag_97470

SILVER-7 TUBE AMP

Posts: 3383

Joined: Fri Sep 19, 2008 12:06 am

Location: Oregon

Post Wed Nov 11, 2009 11:07 pm

Re: 5.1 Sub Rebirth

Wow! If Bob Carver, Wardsweb, Toymaker and DaveS ever got together! Well, you get the picture :-k
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Wardsweb

User avatar

M-400t CUBE

Posts: 166

Joined: Tue Nov 10, 2009 4:30 pm

Location: San Antonio, TX

Post Thu Nov 12, 2009 7:46 am

Re: 5.1 Sub Rebirth

engtaz wrote:Is that a volume pot you have hooked up?

It is a 25K ohm potentiometer.
~There are many roads to audio nirvana. While the ultimate goal may be the destination, don't forget to enjoy the ride.~
<<

engtaz

User avatar

"TAZ"

Posts: 5245

Joined: Sat Jun 30, 2007 1:43 pm

Location: Tampa, FL

Post Thu Nov 12, 2009 3:51 pm

Re: 5.1 Sub Rebirth

That's what I thought. Thanks.
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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