Bridging 4 lm4780 boards?

juan_caliente · 17th April 2007, 08:19 PM

Hello Everyone,

I was thinking today about an amp I am building, it has two parallel lm4780 boards bridged through a drv134. My question is can I duplicate my set up and use a third drv134 to bridge all four lm4780s into one channel?

Is there a better way to do this?

Thanks,

John

jaudio · 17th April 2007, 11:51 PM

What about a dpdt switch to disconnect DRV134#2 and run the other channel off DRV134#1. So,both channels positive signal are connected to the positive of the DRV134#1 and the negative to the negative. Just a

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17th April 2007, 08:19 PM	#1
juan_caliente diyAudio Member Join Date: Jan 2005 Location: Gilbert	Bridging 4 lm4780 boards? Hello Everyone, I was thinking today about an amp I am building, it has two parallel lm4780 boards bridged through a drv134. My question is can I duplicate my set up and use a third drv134 to bridge all four lm4780s into one channel? Is there a better way to do this? Thanks, John

17th April 2007, 11:51 PM	#2
jaudio diyAudio Member Join Date: Oct 2004	What about a dpdt switch to disconnect DRV134#2 and run the other channel off DRV134#1. So,both channels positive signal are connected to the positive of the DRV134#1 and the negative to the negative. Just a

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