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Author Topic: Guitar preamp for piezoelectric pickup (JFET input opamp only)  (Read 1625 times)

Offline tony

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Re: Guitar preamp for piezoelectric pickup (JFET input opamp only)
« Reply #40 on: June 16, 2012, 07:49:31 AM »
gain and output swing are two different things....

R3 is a pull down resistor...

R2 sets the gain of the jfet....you can try a cap bypass to increase the gain or leave it as it is...
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Re: Guitar preamp for piezoelectric pickup (JFET input opamp only)
« Reply #40 on: June 16, 2012, 07:49:31 AM »

Offline zrehtiek/keitherz

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Re: Guitar preamp for piezoelectric pickup (JFET input opamp only)
« Reply #41 on: June 16, 2012, 11:26:02 AM »
Quote from: tony on June 16, 2012, 07:49:31 AM
gain and output swing are two different things....

that is what im trying to say.
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Re: Guitar preamp for piezoelectric pickup (JFET input opamp only)
« Reply #41 on: June 16, 2012, 11:26:02 AM »
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