5902-PP
Why not build a pushpull amp with the tiny 5902? The single end thing gives me just belo 1W, but in PP I will get som 4W of pure thunder.
Transformers are Danbury, unfortunately unobtainable today and a special toroid from Frag Jan Zuerst. Found special tube sockets for the pensize tubes.
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PREFERRED_AUDIO_POWER_AMPLIFIER