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Put a fan on it; I did.

Cold as ice now.

Unless you want to replace the RFX-75 again . . .


Another thing . . .

The variable mod will burn out the Delta Tune control eventually.  Too much current for it.  The proper way is to have a voltage regulator installed so that the control will survive.  One day you may turn that radio on, and you will have no output because that control smoked.


The variable power mod is surely one cause of squeal . . .