Transistor type, which is bestest?

Tone-Bending electronic fuzz unit, harmonic generator with 20 second sustain.

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jetofuj
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Re: Transistor type, which is bestest?

Post by jetofuj » Tue Jul 15, 2014 7:38 pm

Here are Stu's old readings - I used them as a reference with my MkII build, so might help you as well.

But I would look at the transistors first...
Stu wrote:OC75 MkII (10K on Q1 base, 47K on Q2 collector)
Battery -9.01
Q1 c -8.50 b -0.038 e 0
Q2 c -0.13 b -0.076 e 0
Q3 c -8.29 b -0.13 e -0.08

OC81D MkII #1 (100K on Q1 base, 100K on Q2 collector)
Battery -9.55
Q1 c -8.51 b -0.06 e 0
Q2 c -0.13 b -0.068 e 0
Q3 c -8.72 b -0.13 e -0.07

OC81D MkII #2 (100K on Q1 base, 100K on Q2 collector)
Battery -9.50
Q1 c -8.76 b -0.062 e 0
Q2 c -0.22 b -0.075 e 0
Q3 c -8.13 b -0.22 e -0.14
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