Portable Hearing Aid Amplifier PA-4302

Try-Mo (Powertone) Radio Co., Inc.; NY

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  • Year
  • 1933
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 368637

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Hearing aid
  • Power type and voltage
  • Alternating Current supply (AC) / 110 Volt
  • Loudspeaker
  • - Is a Headphone or Earphone
  • Material
  • Metal case, TUBES VISIBLE
  • from Radiomuseum.org
  • Model: Portable Hearing Aid Amplifier PA-4302 - Try-Mo Powertone Radio Co.,
  • Shape
  • Chassis only or for «building in»
  • Notes

  • Designed by the famous Powertone Laboratories for use in churches. auditoriums and all
    other public gatherings. May be installed in a few moments and will permit the hard of hearing to enjoy the pleasures formerly denied them. There is ample output to feed up to 40 headphones at satisfactory volume. As an additional refinement, a tone control has been included to adjust the pitch to that best suited to the persons listening. The circuit is of high efficiency, using a '24, a '45, and an '80. May be used with microphone or phono pickup. Supplied complete with R.C.A. hand microphone. Fully portable— may be carried anywhere and set up in a moment, or permanently installed with the headphones wired to the seats
    or pews. Our technical department will be glad to co-operate with you and design any proposed layout. Designed tor 110 volt A.C. operation. 

    Wired and tested. Amplifier complete with R.C.A. hand microphones, ready to operate. Nothing else required. 

     

  • Price in first year of sale
  • 24.95 USD
  • Mentioned in
  • -- Original prospect or advert (1933 Try-Mo Radio Co Catalog page 14)
  • Author
  • Model page created by Glen Orriss. See "Data change" for further contributors.

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