AZ-774B

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

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  • Year
  • 1929 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 198603
    • alternative name: RCA Manufacturing || Victor Talking Machine

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 100-125; 200-250 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm
  • Material
  • Metal case, TUBES VISIBLE
  • from Radiomuseum.org
  • Model: AZ-774B - RCA RCA Victor Co. Inc.; New
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 18 x 6.5 x 12.5 inch / 457 x 165 x 318 mm
  • Notes
  • This model is a Electric Phonograph and Radio Power Amplifier unit kit that is used to convert an old style phonograph to one using electrical sound reproduction and/or can be used as a power amplifier to increase the output power of an existing radio. This kit consists of an amplifier chassis and a speaker. The power supply may be configured to accept the following voltages: 100-112.5V; 112.5-125V; 200-220V;230-250V.
  • Net weight (2.2 lb = 1 kg)
  • 47 lb (47 lb 0 oz) / 21.338 kg
  • Author
  • Model page created by John Kusching. See "Data change" for further contributors.

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