• Country
• United States of America (USA)

• Manufacturer / Brand
• Simpson Electric Co.; Chicago, IL - Lac du Flambeau, WI

• Year
• 1956

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 99258

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

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110-120 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Colorscope 458 - Simpson Electric Co.; Chicago,

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 11 x 14.5 x 16.5 inch / 279 x 368 x 419 mm

• Notes

• 7" dual bandwidth oscilloscope.

  • Frequency response in wide band operation flat within 1.5 dB to 4.5 MC. Sensitivity greater than 30 Mv rms per inch of vertical deflection.
  • Frequency response in narrow band operation flat within 3 dB from 10 cycles to 300 Kc. Sensitivity greater than 10 Mv rms per inch.
  • Horizontal sweep to 200 Kc
  • Vernier and compensated decimal step attentuator
  • Provision for intensity modulation of CRT

  Scope Calibrator Model 276 adapts the Colorscope for voltage measurements (optional).

  Price in 1957: $229.95

   

• Net weight (2.2 lb = 1 kg)
• 29 lb 0 oz (29 lb) / 13.166 kg

• Price in first year of sale
• 196.00 $

• Mentioned in
• - - Manufacturers Literature (Simpson Test Equipment bulletin no. 2058, 1957)

• Literature/Schematics (1)
• Allied Radio Catalog (Knight) (Nº 150, 1956)

• Author
• Model page created by Vitor Oliveira. See "Data change" for further contributors.

• Other Models

• Here you find 147 models, 130 with images and 60 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Simpson Electric Co.; Chicago, IL - Lac du Flambeau, WI