That's pretty cool. Printed boards available and everything. Looks like an easy little tube amp to build. Someone should definitely give it a try and let us know how it sounds.
Can anyone more knowledgable tells me what's the adv/disadv of using low-voltage tube for HP amp?? I guess the most obvious reason being reduced chance of newbie DIYer getting electrocuted, but sonically, is it inferior than high-voltage tube amps??
Low voltage equals less heat and parts failure. In this respect, I am thinking of resistor failure. I mean, if you have a section of an amp running 350 volts, your resistors on that section will take a beating. Thus, the reliability of the amp is better with lower voltages.
To sum up: High voltages are tough on components, esp resistors!
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