Working on an Admiral 20X12

[wa2ise]

Originally Posted by old_coot88

The 6AS5 is used as a B+ dropper in lieu of a big fat resistor.

It's a sensible way to drop the B+, putting the otherwise wasted power to work. Cuts waste heat, and lessens the load on the power supply.

[Kevin Kuehn]

Originally Posted by wa2ise

It's a sensible way to drop the B+, putting the otherwise wasted power to work. Cuts waste heat, and lessens the load on the power supply.

Apparently it regulates well too.