• Country
• Great Britain (UK)

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

• Year
• 1966 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 121319

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 2x4.5 Volt

• Material
• Metal case

• from Radiomuseum.org
• Model: A.F. Monitored Attenuator TF2160 - Marconi Instruments, Marconi-

• Dimensions (WHD)
• 145 x 195 x 270 mm / 5.7 x 7.7 x 10.6 inch

• Notes
• Impedance 600; 150 and 75 Ohm. Attenuator max 111dB by three wheels. Voltmeter 25, 15, 5 and 1,5 Volt r.m.s.
  Manual notes 2x4 V batteries, but there is no such dry battery, only 4.5 V.

• Net weight (2.2 lb = 1 kg)
• 5.6 kg / 12 lb 5.4 oz (12.335 lb)

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

• Mentioned in
• Österreichische Radioschau, Heft 10, 1966, Seite 517

• Author
• Model page created by Eero Ukkola. 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)