• Country
• United States of America (USA)

• Manufacturer / Brand
• Superior Instruments Co.; New York (NY)

• Year
• 1946–1950

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 196083

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

• Number of Tubes
• 1

• Valves / Tubes
• 1T4

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Line / Batteries (any type) / 2 x 1.5 & 45 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Signal Tracer CA-11 - Superior Instruments Co.; New

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 6 x 7 x 5 inch / 152 x 178 x 127 mm

• Notes
• For the Signal Tracer model CA-11 we have an evidence for August 1946 from "Radio & Television Retailing" page 136 for $ 18.75, sold by Liberty Sales Co., Inc., 115 West Broadway, New York 13, NY - and for 1950 a sales price of $ 13.50. This model may also have been sold sooner or later than the given years - we can only tell what evidence we have. Tube and resistor - capacy network are built into the Detector Probe. There are no tuning controls. There is an ON-OFF switch, a switch for either meter or headphones and a "balance adjuster" (30 ohm rheostat R2) for the meter.

• Net weight (2.2 lb = 1 kg)
• 5 lb 0 oz (5 lb) / 2.270 kg

• Price in first year of sale
• 18.75 $

• Mentioned in
• - - Manufacturers Literature

• Literature/Schematics (1)
• Radio Retailing (Radio & Television R.) (August 1946 page 136.)

• Author
• Model page created by Douglas Thurbon. See "Data change" for further contributors.

• Other Models

• Here you find 50 models, 50 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Superior Instruments Co.; New York (NY)