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57C

57C ; Philco, Philadelphia (ID = 94661) Radio
 
57C ; Philco, Philadelphia (ID = 94664) Radio
 
57C ; Philco, Philadelphia (ID = 94663) Radio
 
57C ; Philco, Philadelphia (ID = 491930) Radio
 
57C ; Philco, Philadelphia (ID = 491931) Radio
57C ; Philco, Philadelphia (ID = 2320048) Radio 57C ; Philco, Philadelphia (ID = 2327073) Radio
57C ; Philco, Philadelphia (ID = 880587) Radio 57C ; Philco, Philadelphia (ID = 65009) Radio
57C ; Philco, Philadelphia (ID = 65010) Radio 57C ; Philco, Philadelphia (ID = 51148) Radio
57C ; Philco, Philadelphia (ID = 118318) Radio 57C ; Philco, Philadelphia (ID = 118319) Radio
57C ; Philco, Philadelphia (ID = 677086) Radio 57C ; Philco, Philadelphia (ID = 694940) Radio
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57C ; Philco, Philadelphia (ID = 2320048) Radio
Philco, Philadelphia: 57C [Radio] ID = 2320048 1400x1281
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For model 57C, Philco, Philadelphia Stg. Batt. Co.; USA
 
Country:  United States of America (USA)
Manufacturer / Brand:  Philco, Philadelphia Stg. Batt. Co.; USA
Year: 1933/1934 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: 77 77 42 80
Main principle Super-Heterodyne (Super in general); ZF/IF 460 kHz; 2 AF stage(s); Reaction
Tuned circuits 4 AM circuit(s)
Wave bands Broadcast (MW), Police, sometimes also early TV (75-200m).
Details
Power type and voltage Alternating Current supply (AC) / 117 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 4 inch = 10.2 cm
Power out
from Radiomuseum.org Model: 57C - Philco, Philadelphia Stg. Batt
Material Wooden case
Shape Tablemodel, Mantel/Midget/Compact up to 14" width, but not a Portable (See power data. Sometimes with handle but for mains only).
Dimensions (WHD) 11 x 9 x 5 inch / 279 x 229 x 127 mm
Notes

Model 57C is a low cost 4-tube compact upright table radio, often referred to as a "pee-wee" or "cigar box" design because of its compactness. It is part of a series of similar 4-tube models with different styles of compact cabinets, which included the 53C (1933), the 57C (1933), the 58C (1934), the 59C (1934-35), and 59S (1934-35). These 4-tube designs use regeneration in the IF amplifier to improve sensitivity.

Net weight (2.2 lb = 1 kg) 5.1 kg / 11 lb 3.7 oz (11.233 lb)
Price in first year of sale 15.00 $
Collectors' prices  
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 4 = ca. 1934 and before
Mentioned in Table Top Radios Vol. 1 Stein 98
Literature/Schematics (1) Philco Radio 1928-1942 (Philco 1928-36 Wiring Diagrams, Parts Lists, and Essential Service Data)
Literature/Schematics (2) Machine Age to Jet Age II (page 211.)
Literature/Schematics (3) Philco Folder for 1933/34.
Literature/Schematics (4) Spiegel Catalogs (Aircastle) (Spring/Summer 1934, No. 137, page 178.)


All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA
Here you find 3716 models, 2085 with images and 3097 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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