The photograph above shows the matching mains power supply for the TW Phase II Transverter. This unit provided all the voltages needed for the Phase II transverter, 750v DC @ 200mA, 300v DC @ 100mA, 6.3v AC for the valve heaters, plus the bias voltage (adjustable from the front panel and used for setting or adjusting the PA standing current) and 12v DC for relay switching.
The photographs above (courtesy of Tom Withers) show the 'innards' of a Phase II transverter PSU that Tom still has.
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