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alternative name
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Chicago Radio Lab | ||||
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Year: 1935 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
Valves / Tubes | 10: 6D6 6A7 76 6D6 6D6 75 42 42 42 5Z3 |
Main principle | Superhet with RF-stage; ZF/IF 485 kHz; Export model |
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Tuned circuits | 9 AM circuit(s) |
Wave bands | Broadcast, Long Wave and more than two Short Wave bands. |
Details | |
Power type and voltage | Alternating Current supply (AC) / 25-133 cycles, 115-260 Volt |
Loudspeaker | Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 25 cm = 9.8 inch |
Power out | 5.5 W (unknown quality) |
from Radiomuseum.org | Model: 834A Ch= 1002 - Zenith Radio Corp.; Chicago, |
Material | Wooden case |
Shape | Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges. |
Dimensions (WHD) | 470 x 570 x 320 mm / 18.5 x 22.4 x 12.6 inch |
Notes | According to the name plate, the set consumes 130 watts. This model with suffix A seems to be an export model. Domestic models are normally for 60 cycles and 105 to 125 volts. 5 bands:
LW - OL- green- 150 kHz-425 kHz |
External source of data | Ernst Erb |
Circuit diagram reference | Rider's Perpetual, Volume 10 = 1939 and before |
All listed radios etc. from Zenith Radio Corp.; Chicago, IL
Here you find 4275 models, 3894 with images and 3389 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.