31

Zenith Radio Corp.; Chicago, IL

Dati
Forum
Immagini
Collezioni

  • Anno
  • 1928
  • Categoria
  • Radio (o sintonizzatore del dopoguerra WW2)
  • Radiomuseum.org ID
  • 67414
    • alternative name: Chicago Radio Lab

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 Specifiche tecniche

  • Numero di tubi
  • 6
  • Principio generale
  • A circuiti accordati (amplif. diretta) senza reazione
  • N. di circuiti accordati
  • 4 Circuiti Mod. Amp. (AM)
  • Gamme d'onda
  • Solo onde medie (OM).
  • Tensioni di funzionamento
  • Batterie (di accumulatori e/o a secco)
  • Altoparlante
  • - Per cuffie o amplificatori esterni
  • Materiali
  • Mobile in legno
  • Radiomuseum.org
  • Modello: 31 - Zenith Radio Corp.; Chicago,
  • Forma
  • Soprammobile con qualsiasi forma (non saputo).
  • Dimensioni (LxAxP)
  • 26 x 11 x 13 inch / 660 x 279 x 330 mm
  • Annotazioni
  • One dial (primary tuning control knob)
  • Prezzo nel primo anno
  • 100.00 $
  • Fonte esterna dei dati
  • Ernst Erb
  • Riferimenti schemi
  • Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

 Collezioni | Musei | Letteratura

 Forum

Discussioni nel forum su questo modello: Zenith Radio Corp.;: 31

Argomenti: 1 | Articoli: 1

Zenith modelnumbers 31, 33, 33X, 41, 333und 333X

        

The image shows model 31

Modelpage for model 31 from Radiomuseum.ORG (ID67414)

 

Manufacturer/Brand                                 Zenith Radio Corp.; Chicago, Illinois

Country:                                                            United States of America (USA)

Year:                                                                  1928

Principle:                                           TRF without reaction (non reg.dir.receiver)

Tuned circuits:                                                             4 AM circuit(s);

Wave bands:                                    Broadcast only (MW).

Specialitis:                                       

Power type and voltage:                 Batteries (storage and/or dry)

Loudspeaker:                                               - This set has no built-in loudspeaker (separate or not necessary).

Material:                                            Wooden case

Shape:                                                          Tablemodel, with any shape - general.

Dimensions (WHD):                         6: 01A   01A   01A   01A   01A   71  

Valves/Tubes:                                             One dial (primary tuning control knob)  

Notes:                                                One dial (primary tuning control knob)

Net weight:                                       

Price in the first year of sale:                             100 $

Source of data:                                                        Ernst Erb  

Catalog reference:                           Radio Collector`sGuide 1921

Circuit diagram reference:              Rider's Perpetual, Volume 1

Mentioned in:                                                The Radio CollectorGrinder, 1995

 

 

The following Zenith models use the same cabinett:

 

Model 33    from 1928        uses  7 Tubes nr: (27-27-27-27-27-UX171A and 80)

Model 33X  from 1929        uses  7 tubes nr: (27-27-27-27-27-71 and 80)

Model 41    from 1929        uses  7 tubes nr: (24-27-27-27-27-45-45 and 80)

Model 333  from 1928        uses  7 tubes nr: (unknown)

Model 333X from 1928/29    uses  7 tubes.nr: (unknown)

Hans Amberger, 13.Apr.06

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