Ive fixed several HH Scott's up over the years. 299d, 208, 2x model 99s, and a few LK72s. I'm not scared of em it's all routine service work for me.
I've got a few thousand vacuum tubes in my "stock" the audio related ones are getting scarce but I don't mind paying for new ones when needed.
Here are a few of my toys
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This is a set of 4 Acrosound TO-300 mono amplifiers which I built from scratch. They make about 25 watts of beautiful sound with under half a percent thd from about 8 cycles to 80k...
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That's my HH Scott model 208 power amplifier which I built a wooden stand for.
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The front side of the HH Scott 208.
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The power supply to one of my custom preamp builds. (They use an HH Scott phonostage)
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The guts of one of my hand wired custom preamps, hh scott phonostage us the tubes on the left followed by a Shunt regulated push pull line output on the right two tubes.