3 Sep
2008
3 Sep
'08
9:18 a.m.
On 2 Sep 2008 at 23:55, Brent Hilpert wrote:
Make something using enough tubes and one can wire up
the filaments in
series as they were intended for..
If you run from line voltage, be sure to hang an NE-2 (with built-in
series resistor) in parallel with each heater so that you can easily
see when one opens up. That used to be one of the time-eaters when
servicing the old series-heater TV sets.
Cheers,
Chuck