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In this multi part video, we start the advanced modification of this amp. This is where we start rewiring the front end 6SN7 driver to a cascode design to drive the 300B correctly.
Sadly, at the end of this video, I realized I was missing some resistors I thought I had, so it will be the first of next week before I can resume this mod after a parts order come in.
After what I learned from mods to my personal DIY 300B build, this A50 should turn out sweet! I'm going to use a LED/resistor combo for bias on the cascode + add gridstopper resistors etc.
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