Is the BASH Plate Amp Output Bridged?

gmikol · 24th October 2006, 03:42 PM

Hi everyone--

I just got a 500W BASH plate amp from Parts Express (#300-752), and the bottom of the spec sheet that came with it says:

"Note: Do not attempt to connect amplifier to test equipment. Doing so my result in a hazardous situation."

This warning isn't on the PDF version that's on PE's website. Is this just a standard CYA type warning, or is it because the output is bridged, and the "-" speaker lead is not a ground-referenced signal? I did measure a ~1V DC voltage between the "-" and the shell of the RCA inputs.

I'd like to do some testing and experimenting with it and Speaker Workshop, but I don't want to blow up my soundcard.

Any suggestions for the best way to do what I want to do?

Thanks--

Greg

phase_accurate · 26th October 2006, 06:24 AM

At least chances are big that the "Bridged Amplifier Switching Hybrid" is actually a bridge topology.

Regards

Charles

24th October 2006, 03:42 PM	#1
gmikol diyAudio Member Join Date: Oct 2005 Location: Vancouver, WA	Is the BASH Plate Amp Output Bridged? Hi everyone-- I just got a 500W BASH plate amp from Parts Express (#300-752), and the bottom of the spec sheet that came with it says: "Note: Do not attempt to connect amplifier to test equipment. Doing so my result in a hazardous situation." This warning isn't on the PDF version that's on PE's website. Is this just a standard CYA type warning, or is it because the output is bridged, and the "-" speaker lead is not a ground-referenced signal? I did measure a ~1V DC voltage between the "-" and the shell of the RCA inputs. I'd like to do some testing and experimenting with it and Speaker Workshop, but I don't want to blow up my soundcard. Any suggestions for the best way to do what I want to do? Thanks-- Greg

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26th October 2006, 06:24 AM	#2
phase_accurate diyAudio Member Join Date: May 2002 Location: Switzerland	At least chances are big that the "Bridged Amplifier Switching Hybrid" is actually a bridge topology. Regards Charles

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