• Country
• Great Britain (UK)

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

• Year
• 1966

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 105689

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

• Number of Tubes
• 4

• Valves / Tubes
• 12BH7 12AT7 M8136 EA52 0A2

• Number of Transistors
• 4

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 100; 105; 120; 200; 220; 240 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Electronic Voltmeter TF2604 - Marconi Instruments, Marconi-

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 288 x 190 x 260 mm / 11.3 x 7.5 x 10.2 inch

• Notes
• Tube Voltmeter. Ranges: Voltage 0.3/1/3/10/30/100/300 V AC/DC, 1000 V~; Resistance 0.1/1/10/100 kOhm, 1/10/100 MOhm.

• Net weight (2.2 lb = 1 kg)
• 5.9 kg / 12 lb 15.9 oz (12.996 lb)

• Price in first year of sale
• 110.00 GBP

• Source of data
• - - Data from my own collection

• Mentioned in
• Funk-Technik (FT) (20/1966, S. 709 / Neuvorstellung)

• Literature/Schematics (1)
• -- Schematic

• Author
• Model page created by Juhani Makivuoti † 21.09.13. See "Data change" for further contributors.

• 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)