Stock input/driver tubes used in Mono 120s: new production JJ with EI Yugoslavia. They sounded okay, a little forward with 50ma bias.
Sounding even better at 150hrs burn-in.
Amazing with mid-1960s Mullard short box plates for ECC82/12AU7 input tubes and 12AT7 driver tubes.
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Last edited by decooney; 02-08-2020 at 02:47 AM.
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