Seek Class AB PWD AMP +/- 80VDC Regulated Supply - diyAudio
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Old 24th December 2011, 04:58 PM   #1
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Join Date: May 2005
Location: HK
Default Seek Class AB PWD AMP +/- 80VDC Regulated Supply

Hello there ,

Can anyone share me regulated power amp class AB supply schematic or PCB layout ? I try to make the AMP about 150Wx2 .

Also attached schematic but it is only support 45VDC +/- , can anyone know how to modify it can support 80VDC ?
Attached Files
File Type: pdf Power Supply Schem.pdf (172.5 KB, 163 views)
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Old 25th December 2011, 10:05 AM   #2
dangus is offline dangus  Canada
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Join Date: May 2004
Location: Vancouver Island
Audio Amateur magazine published plans for power amp regulators in the 1/1980 issue, by James Boak. I may still have that issue, or a photocopy, though all I found just now was a single page. If you search diyaudio for boak you'll find some discussions, ike this one: BOAK Power supply
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