Portable Amplifier-Speaker 620

Ampex; San Carlos, CA

  • Year
  • 1954
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 133172

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Loudspeaker + integr.Amplifier
  • Power type and voltage
  • Alternating Current supply (AC) / 60 cycles, 117V = 110 -120 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm
  • Power out
  • 10 W (unknown quality)
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: Portable Amplifier-Speaker 620 - Ampex; San Carlos, CA
  • Shape
  • Console with any shape - in general
  • Dimensions (WHD)
  • 13 x 16 x 8 inch / 330 x 406 x 203 mm
  • Notes
  • Companion of model 600 Portable Tape Recorder, this amplifier was also intended for conference rooms, offices or small auditorium. 60 to 10000Hz flat response.

  • Net weight (2.2 lb = 1 kg)
  • 11.2 kg / 24 lb 10.7 oz (24.67 lb)
  • Price in first year of sale
  • 150.00 $
  • Source of data
  • - - Manufacturers Literature
  • Mentioned in
  • Electronics - December, 1954
  • Literature/Schematics (1)
  • -- Schematic
  • Author
  • Model page created by Emilio Ciardiello. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

The model Portable Amplifier-Speaker is part of the collections of the following members.

Museums

The model Portable Amplifier-Speaker can be seen in the following museums.

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