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-   -   linking Class D amps (http://www.diyaudio.com/forums/car-audio/105573-linking-class-d-amps.html)

coki 20th July 2007 04:31 PM

linking Class D amps
 
What is the purpose in linking 2 class D amps? How can it be done and what type of cable is needed?:confused:

luka 20th July 2007 07:51 PM

Hi

It is probably to sync amps clocks, one being master, one slave
What amps do you have?

theAnonymous1 21st July 2007 12:08 PM

Luka, your thinking too hard in the wrong forum! This is car audio, dumb it down a bit.;)

"Linking" amps in the car audio world can be for bridged or parallel operation, or for matching gains. The process is specific to the amps being "linked" and is not just a general function of class-d car amps.

Coki, check the manufacturers website to see if the amps your interested in are even "linkable".

luka 21st July 2007 12:20 PM

Hi

Maybe you are right, maybe I should take one step back to see whole picture again :D

theAnonymous1 21st July 2007 12:45 PM

Quote:

Originally posted by luka
Hi

Maybe you are right, maybe I should take one step back to see whole picture again :D

Yes, I think your eyes are stuck in macro mode from all those SMD.:D

coki 21st July 2007 04:32 PM

Guys, this is what I am trying to do. I want to use 2 POWERBASS class D amp to drive 4 subs (2 subs each amp). The Manual say 2 amps can be linked and I wonder what it is for. Gain matching will make a lot of sense.

The amp have a socket like the phone/ modem. Is this where I link the amps together? Do I have to connect the RCA input to both amps?

coki 21st July 2007 04:39 PM

Guys, this is what I am trying to do. I want to use 2 POWERBASS class D amp to drive 4 subs (2 subs each amp). The Manual say 2 amps can be linked and I wonder what it is for. Gain matching will make a lot of sense.

The amp have a socket like the phone/ modem. Is this where I link the amps together? Do I have to connect the RCA input to both amps?

theAnonymous1 21st July 2007 05:56 PM

OK, I might have caused a bit of confusion here as I have been out of the car audio loop for awhile.....

In the case of your PowerBass amps, "linking" would indeed be to match the gains. This is not to be confused with "strapping" which is used to bridge/parallel and usually requires connecting the amps at the outputs with additional wire.

The PowerBass XA series can be "strapped", while the ASA can be "linked".

The PowerBass website is minimal to say the least. There are no product manuals or instructions on their site whatsoever. I suggest you send an email to tech@powerbassusa.com. I'm sure they will answer your question.


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