• Country
• Canada

• Manufacturer / Brand
• Stark Electronic Instruments Ltd.; Ajax Ontario

• Year
• 1954 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 339373

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

• Number of Tubes
• 9

• Valves / Tubes
• 6J7 884 6X5 5Y3 6AC7 6SN7 6AC7 6SN7 5UP1

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110 or 220 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: OS-9 Oscillograph - Stark Electronic Instruments

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 13 x 11 x 18 inch / 330 x 279 x 457 mm

• Notes

• Taken from a 1954 ad in Alpha Aracon Radio Catalogue.

  STARK MODEL OS-9 CATHODE RAY OSCILLOGRAPH

  1. High sensitivity .03V (30 mV) per inch.
  2. Wide band vertical amplifier—to 1 MHz. 
  3. 3 range frequency compensated attenuator network. 
  4. Demodulator —permits any modulated R.F. Signal to be viewed. 
  5. Signal tracer jack —permits any signal being viewed to be heard by phones. 
  6. Wide and narrow band F.M. Oscillator—separate F.M. Oscillator unnecessary. 
  7. Self contained mixer circuit—permits frequency modulated output with any good signal generator. 
  8. Return eliminator—Speeds up F.M., T.V. and A.M. alignment.
  9. Internal F.M. generator has fixed 1000 KC signal with a variable sweep width 0-30 kHz and a fixed 50 MHz signal with a 0-450 kHz variable sweep.
  10. Sinusoidal sweep with phasing control—A "must" for visual analysis of F.M., T.V. and A.M. Receivers. 
  11. Cathode ray tube cradled in rubber and is completely shielded. 
  110 or 220 Volts. 25 or 50 or 60 Hz.

  Appears to be a Canadian version of the Hickok Model 505 Oscillograph. It has the identical schematic and general layout.

• Net weight (2.2 lb = 1 kg)
• 37 lb (37 lb 0 oz) / 16.798 kg

• Price in first year of sale
• 265.20 CAD

• Mentioned in
• Alpha Aracon Radio Catalogue 1954

• Author
• Model page created by Charles Baetsen. See "Data change" for further contributors.

• Other Models

• Here you find 21 models, 21 with images and 10 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Stark Electronic Instruments Ltd.; Ajax Ontario