LM3886 first time -- impressive

jmar · 8th December 2009, 05:14 PM

I've heard a lot of audio in my time and this morning hooked up this stereo module that I got off Ebay with a pair of LM3886.

Just using an 2 x 18vac xformer I had and some raw aluminum for heatsinks -- just put it on a breadboard.

This is a really GREAT sounding amp !

A lot of detail with my near field full range speakers and plenty of power for me.

I was wondering --

I would imagine these may be used a lot in car audio systems but what manufacturers are using these chips in their receivers etc?

Was leery about this module (25 bucks shipped from China)(1.50 profit?)
but it kicks ***.

AndrewT · 8th December 2009, 05:17 PM

Quote:

Originally Posted by jmar

I would imagine these may be used a lot in car audio systems but what manufacturers are using these chips in their receivers etc?

probably none.
The chipamp will not start up from a +12V supply.
It will produce very little power from +-12Vsupply.

jmar · 8th December 2009, 05:24 PM

good point -- forgot about that.

what about commercial receivers?

I'm asking because I may consider keeping things simple and just get a new 5.1 receiver.

The power amps in my Yamaha are absolute crap and I've really never heard a surround receiver worth a damn.

CJ900RR · 9th December 2009, 10:50 AM

Well the Synthesis Magnum uses LM3886, Jeff Rowland uses them in the Model 10 and Concentra/Concentra II amplifiers and most likely many others.

8th December 2009, 05:14 PM	#1
jmar diyAudio Member Join Date: Jan 2004 Location: Indiana	LM3886 first time -- impressive I've heard a lot of audio in my time and this morning hooked up this stereo module that I got off Ebay with a pair of LM3886. Just using an 2 x 18vac xformer I had and some raw aluminum for heatsinks -- just put it on a breadboard. This is a really GREAT sounding amp ! A lot of detail with my near field full range speakers and plenty of power for me. I was wondering -- I would imagine these may be used a lot in car audio systems but what manufacturers are using these chips in their receivers etc? Was leery about this module (25 bucks shipped from China)(1.50 profit?) but it kicks ***.

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8th December 2009, 05:24 PM	#3
jmar diyAudio Member Join Date: Jan 2004 Location: Indiana	good point -- forgot about that. what about commercial receivers? I'm asking because I may consider keeping things simple and just get a new 5.1 receiver. The power amps in my Yamaha are absolute crap and I've really never heard a surround receiver worth a damn.

9th December 2009, 10:50 AM	#4
CJ900RR diyAudio Member Join Date: Jan 2006	Well the Synthesis Magnum uses LM3886, Jeff Rowland uses them in the Model 10 and Concentra/Concentra II amplifiers and most likely many others.

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