Like I said, obsolete dance 😎 Those are good if you have 'em, use 'emWhat about 2sa1859A/sc4883A? Would these manage to drive 5 pairs at 71V or not?
I use these to drive 3 pairs at 71V and 4 pairs at 64V. I'm just finishing these two builds, all is ready for powering up. Should I proceed?
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The 2 transistors Q101/Q102 used for the capacitor multipliers, if I use 3503D and 1381E, will the hfe difference have a big impact?
Does anyone have a solution for how to mount two toroidal transformers for a dual mono setup?