
If you want a valve (tube) preamp - this transformer and an enclosure is all you need. All the other parts cost a dime. Compact, well made, rigid, features thermal cutoff. Looks brilliant.
Primary:
220v and 110v
Secondaries (voltages stated on the specified load):
270v 50mA (HT, ~300v after rectifier and filters)
6v 180mA (for 5v relays)
2 x 3.15v 1A (6.3v central tapped, heaters for 2-3 small valves)
Dimensions:
Max diameter: 73mm
Max height: 34mm
Leadouts length: 170mm