Public Address System 15021

Radolek Co., Chicago

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  • Year
  • 1937
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 362212

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 50/60 Hz: 105-120 Volt
  • Loudspeaker
  • 2 Loudspeakers / Ø 12.5 inch = 31.8 cm
  • Power out
  • 15 W (undistorted)
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Public Address System 15021 - Radolek Co., Chicago
  • Shape
  • Miscellaneous shapes - described under notes.
  • Notes

  • Portable system for information on squares, public places or similar situations.
    Two Input Plug-In Connections, one for Crystal or High Impedance Microphones and one for Phonograph or Radio.
    Separate Volume Control for Microphone.
    Separate Volume Control for Phono or Radio.
    Tone control.
    Frequency range: ± 2 dB 40 - 10,000 Hz.
    Output impedance: 8 - 15 Ω.

    ​Sales price was as listed, dealer price was $32.25 USD.

  • Price in first year of sale
  • 75.25 USD
  • Mentioned in
  • -- Original prospect or advert (Radolek Everything in Radio 1937 page 15)
  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

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