Pre assembled and First step

How 'The Billie' was pre assembled

Components and pre assembled stage

Many parts are already mounted on the chassis.Ther are mounted transformers, rectifier, sockets, cap PCB, hum pot, wirewound resistor,

Billie without Transformer Covers.

Toroidal Power Transformer M500K

  • 220VA
  • 2 x (0-110V-120V): blue, green, red
  • 5V, 3A
  • 415V + 415V, 0.2A
  • 0-2.6V-5.5V, 2.5A, 1.7A
  • 3.15V + 3.15V, 1A

Choke and Output transformer (3.5K primary impedace)

Power supply Choke

Grid Chokes

Electrocube caps

Electro-Harmonics 300B
power triode (Made in Russia)


Internal View. Power Supply caps PCB, Sockets, 25 watt /1K cathode resistor, Hum Pot, rectifier bridge where already installed.

Power Supply caps PCB

First step of assembly