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Amplifier porn


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On 4/1/2021 at 3:08 PM, skullguise said:

AGD The Audion Mk 2 "GaNTube" amp.  Clever ( ? ) use of GaN amp board inside a tube structure, with up to 170 watts into 4 ohms.  Neat design, and I have a pair of mono GaN amps ($1500/pr) that likely sound just as good; so not sure it's worth the money to have it look like a tube amp.....  Third picture is the old vs. new version of the GaNTube.

 

 

 

audion-3.jpg

This is only an updated version of the FETRON, introduced in 1972 by Teledyne. A thick film hybrid JFET amp in the header of something that looked like a nuvistor.

fetron.pdf

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  • 2 weeks later...

I remember the school physics book that talked about generating static electricity. "Rub an amber rod with cat fur..."

I wondered whether this experiment had ever been tested by the writers of such books. Here kitty kitty kitty..

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