Monster Transformers!4xEL34 slots and a 12AX7 PI simple and elegant!Power TransformerTx TransformersNeat Wiring2x 220uF caps needing replacingPower supply caps replacedPlessey.. I used to work for Plessey Semiconductors for 13 years…About to blow..Preamp on separate chassis with will shielded inputsAnother Electrolytic on the edge..Cap replacedBias cap and one more supply cap replacedRevereb in out never connected..IEC socket installedUp and running loud and proud. The lower tone controls work on the bottom channel with more gain than the other channels.. maybe for Guitar crunch or as a Mic input