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12Watt FU50 single ended mono block amp running from 12V DC supply???

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gb243:
Errr. No. So the heaters are lit up and the rest of the 12V powers a hidden semiconductor amp in each block. That is just blatant. Sold everywhere of course but for goodness sake.

https://www.iwistao.com/products/iwistao-1pc-mono-tube-amplifier-fu50-power-stage-class-a-signal-ended-small-300b-12w-preamplifier-2-x-6j4p-hifi-audio?variant=42938228748

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