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Delco R-1135

Delco R-1135; United Motors (ID = 209746) Radio
Delco R-1135; United Motors (ID = 781234) Radio
Delco R-1135; United Motors (ID = 781235) Radio
Delco R-1135; United Motors (ID = 1750190) Radio
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Delco R-1135; United Motors (ID = 1750190) Radio
United Motors: Delco R-1135 [Radio] ID = 1750190 1000x1048
Select picture or schematic to display from thumbnails on the right and click for download.
For model Delco R-1135, United Motors Service (Delco):
Picture from General Motors 'Delco Radios for 1939' Brochure
Country:  United States of America (USA)
Manufacturer / Brand:  United Motors Service (Delco)
alternative name
Delco Radio Corp. (Appliance) || Delco-Remy Division, General Motors Corp. || United Motors Service Delco General Motors
Chieftain || Delco
Year: 1937–1939 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 6A8G 6K7G 6Q7G 25L6G 25Z6G L49B
Main principle Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage AC/DC-set / 110 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
Power out
from Model: Delco R-1135 - United Motors Service Delco
Material Bakelite case
Shape Tablemodel with Push Buttons.
Dimensions (WHD) 11 x 7.5 x 5.5 inch / 279 x 191 x 140 mm

The Delco R-1135 is an AC/DC operated 5 tube BC band receiver.  The BC band frequency tuning range is 540-1720kHz.  Has 5 station selectors. Uses ballast tube L49B.

The following models use the same schematic and cabinet but have different cabinet colors:

Model Cabinet Color
R-1134 Walnut Bakelite
R-1135 Ivory Bakelite


Price in first year of sale 18.95 USD !
External source of data Ernst Erb
Source of data Collector's Guide to Antique Radios 4. Edition
Circuit diagram reference Rider's Perpetual, Volume 10 = 1939 and before
Literature/Schematics (1) Beitman Radio Diagrams, Vol. 02, 1939 (Beitmans Page 161)
Literature/Schematics (2) Riders 10-16, 17

All listed radios etc. from United Motors Service (Delco)
Here you find 577 models, 312 with images and 548 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.