279 (AC-DC)

Colonial Radio Co.; Long Island and Buffalo, NY

Data

Forum

Pictures

Collections

Country
United States of America (USA)

Manufacturer / Brand
Colonial Radio Co.; Long Island and Buffalo, NY

Year
1933 ?

Category
Broadcast Receiver - or past WW2 Tuner

Radiomuseum.org ID
168204

Picture
Schematics

279 ; Colonial Radio Co.; (ID = 718309) Radio — Colonial Radio Co.; 279 (3)

279 ; Colonial Radio Co.; (ID = 718310) Radio — Colonial Radio Co.; 279 (3)

279 ; Colonial Radio Co.; (ID = 718312) Radio — Colonial Radio Co.; 279 (3)

279 ; Colonial Radio Co.; (ID = 718313) Radio — Colonial Radio Co.; 279 (3)

279 ; Colonial Radio Co.; (ID = 718315) Radio — Colonial Radio Co.; 279 (3)

279 ; Colonial Radio Co.; (ID = 718317) Radio — Colonial Radio Co.; 279 (3)

279 ; Colonial Radio Co.; (ID = 889571) Radio — Colonial Radio Co.; 279 (1)

279 ; Colonial Radio Co.; (ID = 889572) Radio — Colonial Radio Co.; 279 (1)

279 ; Colonial Radio Co.; (ID = 889574) Radio — Colonial Radio Co.; 279 (1)

279 ; Colonial Radio Co.; (ID = 889575) Radio — Colonial Radio Co.; 279 (1)

279 ; Colonial Radio Co.; (ID = 889576) Radio — Colonial Radio Co.; 279 (1)

279 ; Colonial Radio Co.; (ID = 889577) Radio — Colonial Radio Co.; 279 (1)

279 ; Colonial Radio Co.; (ID = 889580) Radio — Colonial Radio Co.; 279 (1)

279 ; Colonial Radio Co.; (ID = 889581) Radio — Colonial Radio Co.; 279 (1)

279 ; Colonial Radio Co.; (ID = 889582) Radio — Colonial Radio Co.; 279 (1)

279 ; Colonial Radio Co.; (ID = 889583) Radio — Colonial Radio Co.; 279 (1)

279 ; Colonial Radio Co.; (ID = 1402778) Radio — Colonial Radio Co.; 279 (2)

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

Technical Specifications

Number of Tubes
5

Valves / Tubes
6A7 6B7 77 43 25Z5

Main principle
Superheterodyne (common); ZF/IF 175 kHz

Tuned circuits
7 AM circuit(s)

Wave bands
Broadcast only (MW).

Power type and voltage
AC/DC-set / 115 Volt

Loudspeaker
Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

Material
Wooden case

from Radiomuseum.org
Model: 279 - Colonial Radio Co.; Long

Notes
Switch for AC or DC operation; the +B voltage is doubled in AC operation; 154 Ohm resistance line cord.

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

Mentioned in
Table Top Radios Vol. 1 Stein 98 (page 49.)

Author
Model page created by Hans-Joachim Korn † 16.11.15. See "Data change" for further contributors.

Other Models
Here you find 165 models, 74 with images and 131 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Colonial Radio Co.; Long Island and Buffalo, NY

Collections | Museums | Literature

Collections

The model 279 (AC-DC) is part of the collections of the following members.

Jose Casas-Avalos (E)

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