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<div dir="auto">You can trace that design back to at least Wireless World's around 1974, probably a bit earlier.</div>
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<div class="x_gmail_quote">On 8 Sep 2021 14:03, Neil Johnson via Synth-diy <synth-diy@synth-diy.org> wrote:<br type="attribution">
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<div class="PlainText">Hi,<br>
<br>
Gordonjcp wrote:<br>
> Or indeed, would have been had something not stripped it.<br>
><br>
> <a href="https://minecraft.gjcp.net/headphone.pdf">https://minecraft.gjcp.net/headphone.pdf</a><br>
<br>
Oh, yeah, that's almost exactly the same as the AHB System 8 headphone<br>
amp I posted earlier in this thread. I wonder if they copied it from<br>
AHB? ;)<br>
It's a really simple and effective design.<br>
<br>
Neil<br>
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