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SECTION 4
POWER SUPPLIES
There are three separate voltages in the Ranger 811H amplifier:-
1. HIGH VOLTAGE, which is 1700Volts, the main voltage applied to the
valve anodes.
2. HEATER SUPPLY is 6.3V, supplied from the toroidal transformer.
3. CONTROL VOLTAGE is 12 Volts, used for pulling in the TX/RX relay
and gives the LED the control condition of the amplifier.
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