My LM3886 HIFI AMP!!!

gxcnabin · 6th February 2011, 09:32 AM

NE5534*4+LM3886*4+UPC1237

AndrewT · 6th February 2011, 09:40 AM

Hi,
is this a 4channel amplifier?, all on one PCB?
Can it be switched from 4 individual channels to 2 BA mode?, or 2 PA mode?, or 1 BPA mode?

gxcnabin · 6th February 2011, 09:54 AM

Hi! This is stereo sound PCB.

AndrewT · 6th February 2011, 10:01 AM

go back to my 5 questions and answer any one of them !
Or does "Stereo" tell us it's a 2channel amplifier?

gxcnabin · 6th February 2011, 10:06 AM

yes!
2channel amplifier.

AndrewT · 6th February 2011, 12:00 PM

BA or PA?
Not switchable?

MJL21193 · 6th February 2011, 12:34 PM

Appears to be 2 LMs in parallel, 2 channels. Not switchable (who wants that?).

AndrewT · 6th February 2011, 12:37 PM

just asking.
When it says 4 opamps and 4 chipamps, it made me wonder what he had created.

gxcnabin · 7th February 2011, 06:00 AM

Quote:

Originally Posted by AndrewT

BA or PA?
Not switchable?

Yes!
2 Pa mode. Not switchable.

gxcnabin · 7th February 2011, 06:14 AM

New process！！

6th February 2011, 09:40 AM	#2
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	Hi, is this a 4channel amplifier?, all on one PCB? Can it be switched from 4 individual channels to 2 BA mode?, or 2 PA mode?, or 1 BPA mode? __________________ regards Andrew T.

6th February 2011, 10:01 AM	#4
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	go back to my 5 questions and answer any one of them ! Or does "Stereo" tell us it's a 2channel amplifier? __________________ regards Andrew T.

6th February 2011, 12:00 PM	#6
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	BA or PA? Not switchable? __________________ regards Andrew T.

6th February 2011, 12:37 PM	#8
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	just asking. When it says 4 opamps and 4 chipamps, it made me wonder what he had created. __________________ regards Andrew T.

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6th February 2011, 10:06 AM	#5
gxcnabin diyAudio Member Join Date: Sep 2009	yes! 2channel amplifier.

6th February 2011, 12:34 PM	#7
MJL21193 Account disabled at member's request Join Date: Mar 2007	Appears to be 2 LMs in parallel, 2 channels. Not switchable (who wants that?).

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