705 Ch= 2052

Zenith Radio Corp.; Chicago, IL

Data

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Collections

Country
United States of America (USA)

Manufacturer / Brand
Zenith Radio Corp.; Chicago, IL

Year
1933/1934

Category
Broadcast Receiver - or past WW2 Tuner

Radiomuseum.org ID
19005

- alternative name: Chicago Radio Lab

Picture
Schematics

705 Ch= 2052; Zenith Radio Corp.; (ID = 98724) Radio — Zenith Radio Corp.; 705 Ch= 2052 (3)
Beitmann

705 Ch= 2052; Zenith Radio Corp.; (ID = 20811) Radio — Zenith Radio Corp.; 705 Ch= 2052 (3)

705 Ch= 2052; Zenith Radio Corp.; (ID = 2728501) Radio — Zenith Radio Corp.; 705 Ch= 2052 (3)

705 Ch= 2052; Zenith Radio Corp.; (ID = 2986552) Radio — Zenith Radio Corp.; 705 Ch= 2052 (3)

705 Ch= 2052; Zenith Radio Corp.; (ID = 2111899) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 51531) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 96881) Radio — Zenith Radio Corp.; 705 Ch= 2052 (2)

705 Ch= 2052; Zenith Radio Corp.; (ID = 96882) Radio — Zenith Radio Corp.; 705 Ch= 2052 (2)

705 Ch= 2052; Zenith Radio Corp.; (ID = 51532) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 96883) Radio — Zenith Radio Corp.; 705 Ch= 2052 (2)

705 Ch= 2052; Zenith Radio Corp.; (ID = 96884) Radio — Zenith Radio Corp.; 705 Ch= 2052 (2)

705 Ch= 2052; Zenith Radio Corp.; (ID = 154976) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 154977) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 198677) Radio — Zenith Radio Corp.; 705 Ch= 2052 (2)
705 model in original mint condition

705 Ch= 2052; Zenith Radio Corp.; (ID = 509118) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 509119) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 509120) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 509121) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 509122) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 554017) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 1164666) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 1164667) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 1164668) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 1164669) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 1368365) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 1368366) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 1482045) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 1482046) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 1482047) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 1482048) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 1482050) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 1482051) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 1482052) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

705 Ch= 2052; Zenith Radio Corp.; (ID = 1482053) Radio — Zenith Radio Corp.; 705 Ch= 2052 (1)

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

Technical Specifications

Number of Tubes
6

Valves / Tubes
57 58 56 2A6 59 80

Main principle
Superheterodyne (common); ZF/IF 485 kHz; 2 AF stage(s)

Tuned circuits
6 AM circuit(s)

Wave bands
Broadcast only (MW).

Power type and voltage
Alternating Current supply (AC) / 117 Volt

Loudspeaker
Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 5.5 inch = 14 cm

Material
Wooden case

from Radiomuseum.org
Model: 705 Ch= 2052 - Zenith Radio Corp.; Chicago,

Shape
Tablemodel without push buttons, Mantel/Midget/Compact up to 14

Dimensions (WHD)
15.5 x 8.5 x 7.5 inch / 394 x 216 x 191 mm

Notes
The model 705 from Zenith Radio Corp. with chassis nr. 2052 comes with an elaborated inlaid wood case, called by Zenith "the challenger series". The 705 is small and therefore also called mantle type radio.

Net weight (2.2 lb = 1 kg)
3.8 kg / 8 lb 5.9 oz (8.37 lb)

Price in first year of sale
32.95 USD

External source of data
E. Erb 3-907007-36-0

Circuit diagram reference
Rider's Perpetual, Volume 4 = ca. 1934 and before

Mentioned in
Beitman Radio Diagrams, Vol. 01, 1926-1938

Literature/Schematics (1)
Machine Age to Jet Age II (page 325.)

Literature/Schematics (2)
-- Original prospect or advert (Chicago Tribune (newspaper), 1 Dec, 1933)

Other Models
Here you find 4496 models, 4101 with images and 3615 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Zenith Radio Corp.; Chicago, IL

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The model 705 is part of the collections of the following members.

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