This was the 2SK82 test set-up on which I made the distortion measurements. The same components were used in the actual amps. This includes the power supply; very simple. The only difference is the output coupling capacitor.
Add a volume pot and some input/output hardware and you have a preamp.
Add a volume pot and some input/output hardware and you have a preamp.
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Mo' power
I really like this 2SK82-2SJ28 amp, so I've decided to go the next step - up the power with a 2SK180 follower. I have most of the parts already; just need power transformers, the small Hammond chokes, and some aluminum to build the cases. I will build monoblocks and they should be good for 25 watts each.
I really like this 2SK82-2SJ28 amp, so I've decided to go the next step - up the power with a 2SK180 follower. I have most of the parts already; just need power transformers, the small Hammond chokes, and some aluminum to build the cases. I will build monoblocks and they should be good for 25 watts each.
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I started a build thread for the 2SK180 amp here: https://www.diyaudio.com/forums/pas...ding-2sj28-2sk180-monoblocks.html#post6602780
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