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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

Re: Input Bias Currents

64.12.106.33

Thanks for the "heads up". The TL072 is Bi-FET; the replacement will have to be Bi-FET too. Decision made, the Burr-Brown OPA2604 will be the replacement. The change can be tried as soon as the IC arrives. The unit has had a socket for the opamp IC from day 1 (that's the way the kit shipped).

Eli D.


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