Model: 538

Manufacturer/Brand: Marconi Co. (Marconiphone, Marconi’s Wireless Telegraph Co. Ltd.), GB (not tubes – see also HMV His Master’s Voice)

Country: Great Britain (UK)

Year: 1937

Category: Broadcast Receiver – or past WW2 Tuner

Valves/Tubes: W63 X64 Z63 or KTZ63 W63 D63 Z63 or KTZ63 6G5 KT66 U50

Main principle: Superhet with RF-stage; ZF/IF 465 kHz

Tuned circuits: 7 AM circuit(s)

Wave bands: Broadcast, Long Wave and 2 x Short Wave.

Power type and voltage: Alternating Current supply (AC) / 195-255 Volt

Loudspeaker: Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

Material: Wooden case