• Country
• Great Britain (UK)

• Manufacturer / Brand
• MIM, Marconi International Marine; Chelmsford Essex

• Year
• 1945–1950 ??

• Category
• Commercial Receiver (may include amateur bands)

• Radiomuseum.org ID
• 197534

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

• Number of Tubes
• 13

• Valves / Tubes
• KTW61 KTW61 X61M L63 KTW61 KTW61 D63 X61M D63 DH63 L63 KTW61 VR150-30

• Main principle
• Superhet with RF-stage; ZF/IF 690 kHz; 1 AF stage(s)

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2 inch = 5.1 cm

• Power out
• 0.5 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Electra 1018 - MIM, Marconi International

• Shape
• Boatanchor (heavy military or commercial set >20 kg).

• Dimensions (WHD)
• 18 x 18 x 10 inch / 457 x 457 x 254 mm

• Notes

• The wavebands are as follows; 1: 250-520kHz, 2: 1.5-3.0MHz, 3: 3.0-6.0MHz, 4: 6.0-12.0MHz, 5: 12.0-25.0MHz

  The Electra 1018 is designed to work with Power Supply Units 889A or 966A which operate with supply voltages 24, 100, 110, 200, 220 DC or 230 AC

• Net weight (2.2 lb = 1 kg)
• 50 lb (50 lb 0 oz) / 22.7 kg

• Source of data
• - - Manufacturers Literature

• Author
• Model page created by Ross Hochstrasser. See "Data change" for further contributors.

• Other Models

• Here you find 17 models, 15 with images and 7 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from MIM, Marconi International Marine; Chelmsford Essex