4 Mar
2007
4 Mar
'07
3:51 p.m.
der Mouse wrote:
- Input mains: four wires, two windings, which are
connected in
parallel for 115V operation and series for 230V operation.
- 5VAC filament winding for B+ rectifier tube.
- ~800VAC CT (400-0-400) winding which is rectified for B+. (With 26V
on the 115V-nominal mains primary, this measured 176V, or ~778V when
running normally.)
- Filament winding for one HV rectifier tube.
- Filament winding for the other HV rectifier tube.
- HV supply winding.
- 6.3VAC CT winding to run the heaters for most tubes. (There are some
12V-heater tubes, but they all have centre-tapped heaters.)
- There is one more wire unaccounted for. On opening the transformer
case, I find it is a case ground.
See:
http://www.electra-print.com/
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