250-LW Ch= H-5-L

• Country
• United States of America (USA)

• Manufacturer / Brand
• Emerson Radio & Phonograph Corp.; New York, NY

• Year
• 1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 38439

• • alternative name: Emerson Television

• Picture
• Schematics

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

• Number of Tubes
• 5

• Valves / Tubes
• 6A7 78 77 43 25Z5

• Main principle
• Superheterodyne (common); ZF/IF 132 kHz; 1 AF stage(s); Anode bend detection

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• AC/DC-set / 110-120 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 250-LW Ch= H-5-L - Emerson Radio & Phonograph

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 270 x 205 x 140 mm / 10.6 x 8.1 x 5.5 inch

• Notes
• • LW band 152 - 324 kHz
  • BC band 560 - 1620 kHz.
  • See also the model 250, which is the same - but only for the broadcast band
  • See also the model 250-AW with broadcast and police bands.
  • The models 250, 250-AW and 250-LW have different IF frequencies.

• External source of data
• Ernst Erb

• Source of data
• Collector's Guide to Antique Radios 4. Edition

• Circuit diagram reference
• Rider's Perpetual, Volume 4 = ca. 1934 and before

• Mentioned in
• Table Top Radios Vol. 1 Stein 98

• Other Models

• Here you find 2062 models, 1144 with images and 1618 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Emerson Radio & Phonograph Corp.; New York, NY