Nelson Pass A40
Description:
I built my Nelson Pass A40 version in 2002, and I am very pleased with it. You can find much more information on Nelson Pass's DIY website under legacy amplifier projects (the design is actually from 1978!).
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The 8 output transistors are mounted on 8 independent heat sink. My heat sinks (1 K/W) are a little bit to small, so I have to use forced cooling!