It's for testing headphone amps. Various inputs, outputs, switches for load, etc.
I can't get my eyes off that easter egg.
Amazing! At this level, consider getting a pair of the new ‘21 WE 300B. I have a ‘05 pair in there and they beat the EML, JJ, and GL....
Just tested it and besides a couple of burned out lights on the FM tuner window, it’s working great. Visually caps look good too
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