TIMMY (again)

Original effects with schematics, layouts and instructions, freely contributed by members or found in publications. Cannot be used for commercial purposes without the consent of the owners of the copyright.
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bonehead1972
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Post by bonehead1972 »

hello guys!

i built one and sounds pretty good but there is not enough gain.... i measured the resistance across the gain pot and it shows around 45K (some parallel resistance?), after that i disconnected the gain pot entirely and measured the resistance between IC pin1 and pin2 with the same reading....what could be wrong here.....
Thanks in advance

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mauman
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Post by mauman »

The schematic you used would be helpful, along with pics.

A stock Timmy gain pot is 1meg, measured out of the circuit. Some versions use 500k.

You're measuring lots of parallel components that connect those two points, including diodes, internals of the op amp, etc. In-circuit resistance measurements can be tricky to interpret, I wouldn't draw any conclusions.

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bonehead1972
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Post by bonehead1972 »

thanks for your answer, mauman!

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