Monte Generoso 500 Pre

[ip_dalie]

Hi guys, I tried to put Monte Generoso Pre of Samuel Groner on the 500 board, you can find the original design here https://www.nanovolt.ch/resources/microphone_preamplifiers/index.html




My question is, the original supply is +/-17.5. How much db loss will I get with just +/-16? (the ICs are OPA627) Thank you

Ipin

 

[atavacron]

You might want to adjust the resistor from Vee to the input amps’ NI inputs to match the bias. A temporary trimmer could help.

 

[AllMixedUp]

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