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From: John Larkin <jjSNIPlarkin@highNONOlandtechnology.com>
Newsgroups: sci.electronics.design
Subject: Re: Designs
Date: Wed, 08 May 2024 19:07:45 -0700
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On Wed, 8 May 2024 21:30:38 -0400, "Edward Rawde"
<invalid@invalid.invalid> wrote:

>"john larkin" <jl@650pot.com> wrote in message 
>news:imvn3jt2fmc579svih93qvj54o41rabc60@4ax.com...
>> On Wed, 8 May 2024 20:10:48 -0000 (UTC), jim whitby
>> <news@spockmail.net> wrote:
>>
>>>Somebody neds to post a design... so here's one!
>>>
>>>https://imgs.xkcd.com/comics/circuit_diagram.png
>>
>> https://www.dropbox.com/s/w8px8z9mf64wpc9/HVamp.JPG?raw=1
>>
>
>Reminds me of audio amps which used an op amp's supply pins for the upper 
>and lower drive. 
>

You can cascode them too. Build a class-B amp with zero crossover
distortion.