• Country
• Great Britain (UK)

• Manufacturer / Brand
• GEC, General Electric Co Ltd., GENALEX; London

• Year
• 1950

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 344441

• • Brand: Gecophone

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

• Number of Tubes
• 4

• Valves / Tubes

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 160; 230 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Miniscope M861B - GEC, General Electric Co Ltd.,

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 170 x 70 x 210 mm / 6.7 x 2.8 x 8.3 inch

• Notes

• The M86IB Miniscope - the most compact of all oscilloscopes -weighs only 7½ lbs and measures only 6¾” in height-yet is a thoroughly reliable portable instrument of immense value to the serious radio engineer - and at a reasonable price.

  Specification

  "X" plate sensitivity 50 v/cm. " Y " plate sensitivity 60 v/cm.

  Time Base frequency sweep 10 - 50,000 c.p.s. With two controls: Step and Continuous.

  Vertical amplifier with maximum input 500 V, adjustable. The gain is about 150 times.

  CRT 1½ inch, approx. 37 mm.

  "Add-on" Units available

  M862B Double Beam Unit & M863B IF Alignment Unit

   

• Net weight (2.2 lb = 1 kg)
• 7.5 lb (7 lb 8 oz) / 3.405 kg

• Price in first year of sale
• 21.00 GB £

• Mentioned in
• -- Original-techn. papers. (“Selezione Radio” Italy, February 1952. (From Instruction Manual.))

• Literature/Schematics (1)
• Wireless World (The), London (WW, 79) (May 1950, Page 37.)

• Author
• Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

• Other Models

• Here you find 443 models, 287 with images and 237 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from GEC, General Electric Co Ltd., GENALEX; London