[sdiy] Prophet 10 op-amp swaps?
oakleylist at btinternet.com
Thu Jul 11 10:20:06 CEST 2013
> Any thoughts on why that CA3280 on the output board would be running
so hot? Tony, do you remember if yours got toasty as well?
I can't remember them getting hot to be honest. However, looking at the
schematic again each Iabc pin could take a maximum of 4mA or so which
would, when the OTA is fully on, mean that the IC is dissipating at
Does the 3280 get cooler if you turn down the master volume?
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