• Country
• Great Britain (UK)

• Manufacturer / Brand
• McMichael Radio Ltd.; Slough

• Year
• 1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 78522

• • alternative name: McMichael, Leslie

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 4

• Valves / Tubes
• AC/TP MVS/Pen AC2/PenDD 442BU

• Main principle
• Superheterodyne (common); ZF/IF 128.5 kHz; 1 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Alternating Current supply (AC) / 200-250 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 235 - McMichael Radio Ltd.; Slough

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 24.5 x 12 x 9 inch / 622 x 305 x 229 mm

• Notes

• Same cabinet for 535U.
  Though no RF preamp, it's got two stages of RF tuning.
  Sockets for Gram/P.U. and external speaker, with switch on socket.

  Scale is translucent with backlight.

  Medium/Broadcast is labelled Shortwave.
  MW: 200m to 550m (approximately 545 kHz to 1500 kHz).
  LW: 800m to 1950m (approximately 160 kHz to 395 kHz).
  An external aerial is required.

• Net weight (2.2 lb = 1 kg)
• 12.6 kg / 27 lb 12.1 oz (27.753 lb)

• Source of data
• Radio! Radio!

• Literature/Schematics (1)
• Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) (96, 4th April 1936)

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 183 models, 123 with images and 120 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from McMichael Radio Ltd.; Slough