• Country
• Great Britain (UK)

• Manufacturer / Brand
• Mullard Wireless, London (see also Mullard Radio Valve)

• Year
• 1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 117764

• Number of Tubes
• 4

• Valves / Tubes
• ECH3 EF9 EBL1 AZ1

• Main principle
• Superheterodyne (common); ZF/IF 128 kHz; 1 AF stage(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Alternating Current supply (AC) / 100-260 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• from Radiomuseum.org
• Model: MAS104 - Mullard Wireless, London see

• Notes
• This set is a Mullard version of the Philips 680A. The Philips schematic can be used.

• Literature/Schematics (1)
• Trader Index & sheet 464.

• Author
• Model page created by Keith Staines. See "Data change" for further contributors.

• Other Models

• Here you find 143 models, 117 with images and 59 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Mullard Wireless, London (see also Mullard Radio Valve)