250 All Star Line Ch= 2031

Zenith Radio Corp.; Chicago, IL

  • Year
  • 1933
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 67401
    • alternative name: Chicago Radio Lab

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

 Technical Specifications

  • Number of Tubes
  • 9
  • Main principle
  • Superhet with RF-stage; ZF/IF 175 kHz
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 50-60 Hz, 115; 230 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 250 All Star Line Ch= 2031 - Zenith Radio Corp.; Chicago,
  • Shape
  • Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).
  • Notes
  • separate SW line;
  • Price in first year of sale
  • 73.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 3 = 1933 and before

 Collections | Museums | Literature

Collections

The model 250 All Star Line is part of the collections of the following members.

 Forum

Forum contributions about this model: Zenith Radio Corp.;: 250 All Star Line Ch= 2031

Threads: 1 | Posts: 3

Your information for this model in the information page, incorrectly shows the SW Detector as being a type 58 valve. It is a type 57 as shown in the circuit diagram.

John Dodgshun

 

John Dodgshun, 29.Mar.17

Weitere Posts (3) zu diesem Thema.