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Old 13th June 2003, 07:56 PM   #1
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Default the ultimate class A 2N3055 amplifier

Hi guys
I found some massive heat sink and maybe they are good for a class A amplifier...
Zen? DoZ? JLH?


Mariooooo (a good fiend) come onnn!!!
can you design a class A amplifier using some old stuff like the 2N3055???



OK OK


scratch, draw, plot,

yeeep, what is this?


is a delirium, and, of course, was called DELIRIUM


what do you think about??

ciao
Filippo
www.audiofanatic.it
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Old 13th June 2003, 07:58 PM   #2
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ah, and these are the heat sinks...

ciao
Filippo
www.audiofanatic.it
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Old 14th June 2003, 08:02 AM   #3
sajti is online now sajti  Hungary
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Hi,

I made some valve+BTJ class "A" amplifier with 2N3055. But my amplifier use other type of output stage, samething like Nelson Pass class "A" design.
I used BC546+BD139+4x2N20355, as output follower, and same as current regulator. E88CC as driver. It sound nice with some feedback applied.

Sajti

Your heatsinks looks sexy
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Old 28th April 2014, 01:57 AM   #4
Bigun is offline Bigun  Canada
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Sajti - care to show schematic and photos ?
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Old 28th April 2014, 04:45 AM   #5
sajti is online now sajti  Hungary
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Quote:
Originally Posted by Bigun View Post
Sajti - care to show schematic and photos ?
Hi,

I have to search for that. It was about 15 years ago...

Sajti
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Old 28th April 2014, 07:20 AM   #6
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Default the ultimate class A 2N3055 amplifier is the JLH

It has existed since 1969. Everything else is a mere shadow

You could use 2SC5200 to get more power and linearity.

Last edited by thoglette; 28th April 2014 at 07:22 AM.
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Old 28th April 2014, 11:02 AM   #7
Mihkus is offline Mihkus  Estonia
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And alot better sound because they are many many times faster.
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