MULLARD MODEL 420 (CIRCA 1950)

The Mullard model 420 was manufactured for C. & A. Odlin Ltd by Philips Electrical Industries of N.Z. Ltd in about 1950.

Valves (4): ECH42, EAF42, EL41, EZ40

Intermediate Frequency: 455kc/s

Chassis Notes (most schematics can be clicked to download a full size version):

Mullard 420A (and probably Philips 208A) uses AZ41 rectifier, and the transformer has a 4V tap for this.

 

1950 Philips model 208 Schematic

All documented models using this chassis (2 in total)

YEARMODEL NAME
1950Mullard model 420 - this set
1950Philips model 208