Lucas, Lyra, and DIY Audio Projects
a place to post Lucas's and Lyra's pics, my DIY audio projects & and random ramblings
Monday, December 3, 2007
mods to 5687 preamp
finally the feedforward shunt regulator design taken from
John Broskie's blog
is incorporated into the
it is now providing dc with minimal noise to the circuit, biasing the tubes at 22.2mA per tube.
will try to post a hand-drawn circuit of the implemented circuit later.
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