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RE: Is this feasible? Rectifying 6.3v for heaters

Hi Pete,

Thanks.

The Citation 4 uses 6 12AX7s, each of which has the heater sections in series for 12.6 volts. They are arranged with 2 tubes in series for 25.2 volts and three groups of two in parallel for 25.6 volts @ ~ 450 ma.

I'll try to scan the OEM circuit, as well as my "balancing" circuit.

If you are interested, I'll also scan the circuit to power the LED pilot light and the B+ regulator as well.

Phil

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