Distortion and Noise Meter 69A

RCA (RCA Victor Co. Inc.); New York (NY)

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  • Year
  • 1937
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 206557
    • alternative name: RCA Manufacturing || Victor Talking Machine

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Detector with Vacuum Tube (Valve), no tuner
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Distortion and Noise Meter 69A - RCA RCA Victor Co. Inc.; New
  • Shape
  • Boatanchor (heavy military or commercial set >20 kg).
  • Dimensions (WHD)
  • 21 x 9 x 11 inch / 533 x 229 x 279 mm
  • Notes
  • This very heavy unit is primarily designed to take a balanced audio line input to measure distortion and noise, but has a simple AM rectifier circuit to take the the signal from an AM broadcast station, rectify the signal and analyze the audio component of it. The pictured unit mounts in a carrying case but, removed from the case, fits into a standard 19" equipment rack.
  • Net weight (2.2 lb = 1 kg)
  • 63 lb (63 lb 0 oz) / 28.602 kg
  • Source of data
  • - - Data from my own collection
  • Literature/Schematics (1)
  • ad in: Institute of Radio Engineers, 1937 [magazine]
  • Author
  • Model page created by Hank Kaczmarski. See "Data change" for further contributors.

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The model Distortion and Noise Meter is part of the collections of the following members.

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