AU190 Ch= AU

• Country
• United States of America (USA)

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

• Year
• 1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 38757

• • 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 6D6 6Q7 25L6 25Z5

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast (MW), Police, sometimes also early TV (75-200m).

• Power type and voltage
• AC/DC-set / 105-125 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 5 inch = 12.7 cm

• Material
• Catalin (a brand name for a thermosetting polymer popular in the 1930s and 1940s - a phenol formaldehyde resin - like Bakelite, but a two-stage process with a lot of work afterwards).

• from Radiomuseum.org
• Model: AU190 Ch= AU - Emerson Radio & Phonograph

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Dimensions (WHD)
• 7.5 x 10.25 x 6 inch / 191 x 260 x 152 mm

• Notes
• BC(540-1580kHz) and TROP(1580-4200kHz) bands. Has grille cloth (no louvers). Flat Catalin knobs, color matching the cabinet.

• Net weight (2.2 lb = 1 kg)
• 7 lb 5 oz (7.313 lb) / 3.320 kg

• Price in first year of sale
• 24.95 USD

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Rider's Perpetual, Volume 9 = 1938 and before

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Literature/Schematics (1)
• Table Top Radios Vol. 1 Stein 98 (page 68.)

• Literature/Schematics (2)
• Machine Age to Jet Age II (page 41.)

• Literature/Schematics (4)
• John Sideli: Classic Plastic Radios, p.47

• Other Models

• Here you find 2071 models, 1147 with images and 1629 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