7H820 Ch= 7E01

Zenith Radio Corp.; Chicago, IL

Data

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Country
United States of America (USA)

Manufacturer / Brand
Zenith Radio Corp.; Chicago, IL

Year
1948

Category
Broadcast Receiver - or past WW2 Tuner

Radiomuseum.org ID
67966

- alternative name: Chicago Radio Lab

Picture
Schematics

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 319853) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (3)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 319854) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (3)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 319855) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (3)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 319856) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (3)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 319857) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (3)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 319858) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (3)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 319859) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (3)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 319860) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (3)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 1385969) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (3)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 1385971) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (3)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 1385972) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (3)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 1385973) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (3)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 1385974) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (3)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 1385975) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (3)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 1385976) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (3)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 1942812) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (3)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 3027322) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (3)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 2894868) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (1)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 2894860) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (1)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 2894866) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (1)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 2894867) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (1)
Safety plug on backplate.

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 2894862) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (1)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 2894863) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (1)
Loop antenna assembled

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 2894864) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (1)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 2894865) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (1)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 312165) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (2)
With courtesy by Anthony Morgan

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 312166) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (2)
With courtesy by Anthony Morgan dial view

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 1930778) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (1)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 312167) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (2)
With courtesy by Anthony Morgan top view

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 274901) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (2)
Q = ebay, objnr: 160055738939

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 274902) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (2)
Q = ebay, objnr: 160055738939

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 271393) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (2)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 274900) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (2)
Q = ebay, objnr: 160055738939

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 878455) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (2)
aus ebay, Verkäufer oceanview_hi

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 878456) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (2)
aus ebay, Verkäufer oceanview_hi

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 1385968) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (2)
SAMS Photofact 8/48 4813-24 Set 43

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 1740915) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (1)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 1740918) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (1)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 312170) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (2)
With courtesy by Anthony Morgan back view

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 2580638) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (1)
View of front of Zenith 7H820 Radio

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 3012504) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (1)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 3012505) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (1)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 3012506) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (1)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 3012507) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (1)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 3012508) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (1)

7H820 Ch= 7E01; Zenith Radio Corp.; (ID = 3012509) Radio — Zenith Radio Corp.; 7H820 Ch= 7E01 (1)

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

Technical Specifications

Number of Tubes
7

Valves / Tubes
12BA6 12BE6 12BA6 12BA6 12AU6 19T8 35B5

Main principle
Superhet with RF-stage; ZF/IF 455/10700 kHz

Wave bands
Broadcast (BC) and FM or UHF.

Power type and voltage
AC/DC-set / 110-120 Volt

Loudspeaker
Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 7.5 inch = 19.1 cm

Material
Bakelite case

from Radiomuseum.org
Model: 7H820 Ch= 7E01 - Zenith Radio Corp.; Chicago,

Shape
Tablemodel, with any shape - general.

Notes
Tuning Ranges:
BC 540-1620 kHz
FM100 88 - 108 MHz
FM 45 43 - 48.5 MHz

The newer model with only one FM band is model 7H820Z.

External source of data
Ernst Erb

Source of data
The Radio Collector's Directory and Price Guide 1921 - 1965

Circuit diagram reference
Rider's Perpetual, Volume 19 = 1949 and before

Mentioned in
Collector's Guide to Antique Radios (7th Edition) (page 304)

Literature/Schematics (4)
Photofact Folder, Howard W. SAMS (Set 43, Date 8/48, Folder 4813-24)

Other Models
Here you find 4513 models, 4102 with images and 3644 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Zenith Radio Corp.; Chicago, IL

Collections | Museums | Literature

Collections

The model 7H820 is part of the collections of the following members.

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