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Schematic by E.F. Worthen (August 1958). Power 50W (2V input).
It uses a phase splitter called Isodyne.
Amplifier & Power Supply
Adjustments
- R26 adjusts the 1st stage bias (2V).
- R27 adjusts the symmetry of the phase splitter
- R22 adjusts the power tubes bias (37V)
- R12 balances the current in the power tubes