Powertone Combination Public Address System and Two Speed Phonograph 4301

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

Data
Forum
Pictures
Collections

  • Year
  • 1933
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 368620

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Record Player (not changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 110 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 12 inch = 30.5 cm
  • Power out
  • 4.5 W (undistorted)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Powertone Combination Public Address System and Two Speed Phonograph 4301 - Try-Mo Powertone Radio Co.,
  • Shape
  • Console, Lowboy (legs < 50 %).
  • Notes

  • ★ 4.5 Watt Output.
    ★ Unsurpassed Tone Quality.
    ★ Beautifully Designed Cabinet.
    ★ Skilled Construction (Powertone Produced).
    ★ Three Stages (Push-Pull Amplification).                                                                              ★ 33%— 78 R.P.M. Phonograph Motor
    ★ STROMBERG-CARLSON PICKUP
    ★ Complete with Single Button Kellogg Handmike

    Ideal for use in clubs, hotel lobbies, auditorium public address systems, stores, or where ever music or speech is required. Power output is sufficient to permit it to be used in large sized ball rooms. The use of the 33 1/3-78 motor assures a playing period of from 9 to 15 minutes continuous, depending upon the make of record used. If the old type records are to be used simply adjust the lever and the motor will have a speed of 78 R.P.M. 

    It is a well engineered product. Months of experimentation by the Powertone Laboratories have resulted in an amplifier that will outperform many of the models listed elsewhere at higher prices. The outfit is comprised of a two speed Green Flyer Motor, 12 inch auditorium dynamic speaker, Stromberg-Carlson Phonograph Pickup, Kellogg single Button Hand Microphone, Powertone 3 stage P.P. 45 amplifier, and a handsome hand engraved Sonora Console. 

    In the design of the Combination, different types of tube layouts were tried. It was finally
    decided that for clear, undistorted, and sensitive operation it would be best to use push-pull 2-45’s in conjunction with 2-56. and one 80 type tubes. 4.5 watts of undistorted output, to fill any large size auditorium, may be attained with this combination. 

     

  • Price in first year of sale
  • 47.50 USD
  • Mentioned in
  • -- Original prospect or advert (1933 Try-Mo Radio Co Catalog page 13)
  • Author
  • Model page created by Glen Orriss. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum