Author Topic: my zombii works but I'm getting no oscillation  (Read 2296 times)

jolly1423

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my zombii works but I'm getting no oscillation
« on: November 21, 2011, 11:16:04 AM »
This is my first experience with ge tannies. My zombii works and gets some good gain if it's set just right but the sustain doesn't seem to be there and I can't get any kind of oscillation out of it. I used a 68hfe for q2 and a 113 for q3. I have no idea where to start tweaking, was hoping someone could point me in the right direction...

TheCobbenator

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Re: my zombii works but I'm getting no oscillation
« Reply #1 on: November 21, 2011, 11:43:16 AM »
Hmm. Turn down the stab and gate and as you turn down the comp it will oscillate. Really any various combinations of turning these too low will make various oscillation. Idk if yours is a gain issue though. I'm not a Dr. I just play one on TV. At least... I wish I did.

Jamiroking

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Re: my zombii works but I'm getting no oscillation
« Reply #2 on: November 21, 2011, 02:38:18 PM »
Are you using this pedal by itself or after another pedal. If you put it after a buffered pedal, it really tames the wild zombii. Just wanted to check before we get really in depth.

jolly1423

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Re: my zombii works but I'm getting no oscillation
« Reply #3 on: November 21, 2011, 05:08:25 PM »
By itself. Parker pm-20 (humbuckers and coil taping single coils) into a traynor ycv80.

jolly1423

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Re: my zombii works but I'm getting no oscillation
« Reply #4 on: November 27, 2011, 01:31:25 PM »
Quote
Just wanted to check before we get really in depth.
Any other thoughts?

dwstanford

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Re: my zombii works but I'm getting no oscillation
« Reply #5 on: November 27, 2011, 02:06:03 PM »
Ive experimented with many different transistors in the zombie and ive had that issue with some transistors in similar values.  Usually with higher leakages (over 300u). I would try some different transistors if you have any available.  I like the fuzz face pairs from small bear the best.  (like the sino, us, or similar pairs.)