Silvertone 1917 Order= 57KM 1917

Sears, Roebuck & Co.; Chicago (IL)

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  • Year
  • 1935/1936
perfect model
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 56023
    • Brand: Silvertone

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 10
  • Main principle
  • Superhet with RF-stage; ZF/IF 385 kHz; 2 AF stage(s)
  • Tuned circuits
  • 9 AM circuit(s)
  • Wave bands
  • Broadcast, Short Wave(s) and Police.
  • Power type and voltage
  • Alternating Current supply (AC) / Either 25 cycles, 110V or 50 to 60 cycles, 110 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 10 inch = 25.4 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Silvertone 1917 Order= 57KM 1917 - Sears, Roebuck & Co.; Chicago
  • Shape
  • Console, Lowboy (legs < 50 %).
  • Dimensions (WHD)
  • 23.5 x 37.3 x 12.5 inch / 597 x 947 x 318 mm
  • Notes

  • The Sears Silvertone 1917 is an AC operated 10 tube BC, Police and SW band receiver.

    Band Frequency Ranges are as follows (From Catalog):
    BC Band (Band A).............535-1625kHz
    Police Band (Band B)........1.625-5.325MHz (1.62 to 5.4 MHz from Sears Service Manual)
    SW Band (Band C)............5.3-16.8MHz (5.4 to 16.7 MHz from Sears Service Manual)

    Has RF stage, two IF stages and push-pull output stage.  Also has sensitivity control. Production changes made as listed in Sears Service Manual include changing 78 RF tube to 6K7, changing modulator tube from 78 to 6L7 and changing oscillator tube from 76 to 6C5.  Chassis and schematic used in this model also used in models 1967, 1967A and 1967C.

    Catalog States: New Metal-Cased Tubes used for power and RF amplification stages, Silvertone Miracle Chassis, advanced superheterodyne circuit, rubber mounted - 3-gang condenser and 17 tuned circuits for closer tuning, automatic volume control reduces fding...tone control gives choice of high or low tones, New Built-In "Tilt-Up" Tone Chamber lifts tones to ear level, Variable Selectivity knob control permits you to cut right through powerful local or nearby channel stations for clear reception from distant stations, New Exclusive Micro Tuning Hand, 2-speed - 17 to 1 and 85 to 1 ratio makes foreign tuning as easy as American, New Big Airplane Dial, Curvilinear Dynamic Speaker.

    Classic, modern design cabinet, with built-in "TILT-UP" tone chamber.  Fashioned from figured walnut stump, Myrle burl and matched striped walnut veneers.  Its durable, highly polished finish is hand rubbed. Complete with matched doublet (all wave) antenna and 10 matched Super Silvertone tubes.

    Order number 57KM 1917 Cash Price $ 71.50.  See details and summaries about Sears catalogs etc. This model was manufactured for Sears by Colonial Radio Corp., Buffalo, NY (Sears Manufacturer Source Number Code 101).

  • Price in first year of sale
  • 71.50 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 7 = 1936 and before

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