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89K3 ; Motorola Inc. ex (ID = 511160) Radio
89K3 ; Motorola Inc. ex (ID = 511161) Radio
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89K3 ; Motorola Inc. ex (ID = 511160) Radio
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Country:  United States of America (USA)
Manufacturer / Brand:  Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)
Year: 1938/1939 perfect model Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 8: 6A7 76 6D6 75 75 42 42 80
Main principle Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast and Short Wave (SW).
Power type and voltage Alternating Current supply (AC) / 1.25V Bias Cell and 117 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 10 inch = 25.4 cm
Power out
from Model: 89K3 - Motorola Inc. ex Galvin Mfg.Co
Material Wooden case
Shape Console with Push Buttons.

The Motorola 89K3 is an AC operated, 8 tube BC and SW band receiver.  Has push button tuning with electric tuner and push-pull audio output stage. Also has 1.25V bias cell.

The following models make up the 89K and 109K family of radio's:

Models Bands Clock RF tube Separate Osc tube 2nd AF tube Remote Control Number of tubes Speaker
89K1 Type 1 BC Yes Yes No No No 8 10"
89K2 BC Yes Yes No No Yes 8 10"
89K3 BC, SW No No Yes No No 8 10"
109K1 BC, Police, SW Yes Yes Yes Yes No 10 12"
109K2 BC, Police, SW Yes Yes Yes Yes Yes 10 12"
External source of data Ernst Erb
Literature/Schematics (1) Rider's Perpetual, Volume 11 = ca. 1940 and before (Galvin Mfg section, pages 36, 43, 44)
Literature/Schematics (2) - - Manufacturers Literature (Motorola Home and Car Radio Combined Service Manuals 1930 to 1942 pages 441 to 448)

All listed radios etc. from Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)
Here you find 4109 models, 2818 with images and 3747 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.