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good day guys.

Im planning to make a Precision drive clone with built in Noise gate and I found this Zvex Box of Metal's Noise Gate and I'am planning to use this in Precision drive. my question is, if I use 18volts in the circuit, will the higher voltage affects the performance noise gate? or I should put a 9 volts zener diode as a regulator?

At an operating voltage of 18V the circuitry of the noise gate stage must be adapted for this voltage.
The connections of VR4 pin 1 and 3 to the circuit are missing.

Manfred wrote:At an operating voltage of 18V the circuitry of the noise gate stage must be adapted for this voltage.
The connections of VR4 pin 1 and 3 to the circuit are missing.

I think I need to make the Noise gate's voltage be regulated.


the Vr4 is the treble control of the Box of metal.