• Country
• Great Britain (UK)

• Manufacturer / Brand
• Marconi Instruments, Marconi-Ekco (MI, MEI)

• Year
• 1961

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 88123

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

• Number of Tubes
• 19

• Valves / Tubes
• 6CD6G 5651 5Z4G 6AK5 0B2 6AK5 6AK5 6AK5 6AK5 6AK5 6AK5 6AK5 6AK5 6AK5 6AK5 EA76 EA76 EA76 EA76 6C4 6C4

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 200-250; 100-150 Volt

• Loudspeaker
• - - No sound reproduction output.

• Power out
• 100 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Carrier deviation meter TF791D - Marconi Instruments, Marconi-

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

• Dimensions (WHD)
• 460 x 330 x 280 mm / 18.1 x 13 x 11 inch

• Notes
• cet appareil était utilisé par l'aéroport de dorval.

• Net weight (2.2 lb = 1 kg)
• 18 kg / 39 lb 10.4 oz (39.648 lb)

• Price in first year of sale
• 847.00 DM

• Source of data
• -- Original prospect or advert

• Mentioned in
• -- Collector info (Sammler)

• Literature/Schematics (1)
• -- Original-techn. papers.

• Other Models

• Here you find 96 models, 83 with images and 41 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marconi Instruments, Marconi-Ekco (MI, MEI)