If you mail order to get the trimmers and caps and 10k resistors it will be cheap to try. See post #5.
The resistive value of the 50k log trimmers (upside down and backwards) are a guess (there will be three, not two).
I think from Futurlec the parts may cost about $10. Their shipping cost is very little and no min. order.
If you are really interested I could put together a Futurlec parts list for you.
Futurlec, The Electronic Components and Semiconductor Superstore
The resistive value of the 50k log trimmers (upside down and backwards) are a guess (there will be three, not two).
I think from Futurlec the parts may cost about $10. Their shipping cost is very little and no min. order.
If you are really interested I could put together a Futurlec parts list for you.
Futurlec, The Electronic Components and Semiconductor Superstore
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