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01-27-2019, 11:36 PM
Hi jmcd
You say my bias supply without a reference to a schematic?
The ones that are actually mine have large filters and extremely low hum as a result, and are tied to the correct points to follow galactic Ground principles.
Every supply node should have the lowest ripple possible, within reason of complexity, cost and circuit context. For an SE amp, cost or complexity must be spent to assure a quiet output, where push-pull has inherent power supply noise rejection when balance and thus the latter can have a noisier PSU but be quieter overall than SE.
Have fun
You say my bias supply without a reference to a schematic?
The ones that are actually mine have large filters and extremely low hum as a result, and are tied to the correct points to follow galactic Ground principles.
Every supply node should have the lowest ripple possible, within reason of complexity, cost and circuit context. For an SE amp, cost or complexity must be spent to assure a quiet output, where push-pull has inherent power supply noise rejection when balance and thus the latter can have a noisier PSU but be quieter overall than SE.
Have fun
