PolyTune 2 Short Feedback/Hissing When Deactivated

PolyTune 2 Short Feedback/Hissing When Deactivated

Hi,

I’ve had my Polytune 2 for a couple months now. I’ve noticed that when I turn the pedal off, there is a short hissing sound for 3 or 4 seconds and a little pop or “snap”.

The pedal is isolated, powered by a 9V DC 100mA selection on my Voodoo Lab 4×4. Polarity is correct too.

Does anyone know what may be causing this short feedback/hissing issue for the first few seconds when I turn the pedal off? Thanks in advance!

Best regards,
Kayle McGuire
kaylemcguire@gmail.com

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Source: http://forum.tcelectronic.com