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gfhaban 12th April 2008 01:39 AM

Harmon Kardon Galaxy BA-150
I have recently acquired a pair (yes, a pair) of Harmon Kardon Galaxy BA-150 amps. These are monsters, rated at 150 W, driven by a quad of 6550's. Does anybody have experience rebuilding these units? I have roughed out a schematic, but could find nothing else available. In looking over the amplifiers, I am disappointed by the quality of the point-to-point wiring. I do plan to replace the 6550 sockets with vector sockets, which will help to clean up the wiring quite a bit without making basic circuit modifications. Of corse, the usual power supply upgrades are also in order. I am open to any suggestions.

Maczr1 1st May 2016 08:26 PM

HK BA-150 amps
1 Attachment(s)
Some one just brought me 5 yes 5 of these amps to restore.
How did yours turn out?

LinuksGuru 1st May 2016 09:10 PM

Someone have schematic diagram of this amp?

Maczr1 2nd May 2016 02:31 AM

I could use one as well and if nesesery will generate one if I do I will post it.

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