Please click your language flag. Bitte Sprachflagge klicken.

doublet ch= 36675

Country:  United States of America (USA)
Manufacturer / Brand:  Crosley Radio Corp.; Cincinnati (OH)
Year: 9999 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 2: UV201A UX201A
Main principle TRF with regeneration
Tuned circuits 1 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Storage and/or dry batteries
Loudspeaker - This model requires external speaker(s).
Power out
from Model: doublet ch= 36675 - Crosley Radio Corp.;
Material Wooden case
Shape Tablemodel, slant panel.

This 51S Special has a different panel from the 51SD Special DeLuxe

Operating instructions (see show a choice of completely different tube configurations:
2 x UV201A needs a 6 v storage "A" Battery
2 x WD12 uses 1.5 v dry "A" Battery
2 x UV199 requires 3 x 1.5 v (= 4.5 v) dry batteries plus socket adaptors.
Same is valid for the Cunningham equivalents.

Later models could also use the following combinations:
2 x UX199;
2 x UX201A;
and for increased output power:
UX201A and UX112A
UX201A and UX171A;
UX199 and UX120;

Later models have a terminal to connect a "C" bias battery in case of operation with an output tube of increased power: UX112A (max0.2 Watt); UX171A (max.0.7 Watt); UX120 (max.0.11 Watt).

Net weight (2.2 lb = 1 kg) 4 lb 0 oz (4 lb) / 1.816 kg
Source of data Radio Manufacturers of the 1920s, Vol 1
Mentioned in Collector's Guide to Antique Radios (7th Edition) (p.66)

Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

All listed radios etc. from Crosley Radio Corp.; Cincinnati (OH)
Here you find 1680 models, 1006 with images and 1158 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.