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Doublet ID = 94736 black

Country:  United States of America (USA)
Manufacturer / Brand:  Sears, Roebuck & Co.; Chicago (IL)
Year: 9999 Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 8:
Main principle Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Dry Batteries / 9 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.25 inch = 5.7 cm
Power out 0.1 W (unknown quality)
from Model: Doublet ID = 94736 [black] - Sears, Roebuck & Co.; Chicago
Material Modern plastics (no Bakelite or Catalin)
Shape Very small Portable or Pocket-Set (Handheld) < 8 inch.
Dimensions (WHD) 62 x 102 x 36 mm / 2.4 x 4 x 1.4 inch

The Sears Silvertone 6202 is a battery operated, 8 transistor portable AM radio.  AM band frequency tuning range is 540-1620kHz.  Has push-pull output stage and earphone jack that disconnects the speaker for private listening.  Cabinet is plastic with silver-gold color trim.  When sold, included black leatherette case, earphone and battery.

The radio is labeled as having 7 transistors, but it actually has 8 transistors, with the 8th transistor used in a diode configuration in the detector circuit (The emitter is not connected).

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

Model Cabinet Color
6202 Black
6203 Mist Blue
6204 Tangerine

See details and summaries about Sears catalogs etc. This model was manufactured for Sears by Noblitt-Sparks Ind. (Arvin), Columbus, Indiana (Sears Manufacturer Source Number Code 132).

Net weight (2.2 lb = 1 kg) 0.180 kg / 0 lb 6.3 oz (0.396 lb)
Price in first year of sale 8.95 $
Literature/Schematics (1) Photofact TSM Transistor Radio Series SAMS (TSM-65, pages 121-124)
Literature/Schematics (4) Sears, Roebuck Catalogs (Silvertone) (Spring/Summer 1966, page 786.)

Model page created by Eckhard Wegner. See "Data change" for further contributors.

All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)
Here you find 5339 models, 3107 with images and 3906 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.