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+9V *and* -9V from one battery!
+18, +25, or +33 from one 9V battery
Single Pot LFO's for Univibe, Trem Face, EAN
Trem, others
Designing bias networks to provide Vbias in
effects
Out of Phase LEDs for an
LFO |
When good opamps go bad...
The Adjusticator
What are all those parts
for???
High input impedance in an *inverting* opamp stage
A Variable Stuttering Pedal
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