Echophone EX-102

• Country
• United States of America (USA)

• Manufacturer / Brand
• Hallicrafters, The; Chicago, IL and Arlington/Grand Prairie, TX

• Year
• 1944–1949

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 43869

• Picture
• Schematics

Previous Next

Previous Next

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

• Number of Tubes
• 5

• Valves / Tubes
• 12SA7GT 12SG7GT 12SQ7GT 50L6GT 35Z5GT

• Number of Transistors

• Semiconductors
• 24B856

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast, Short Wave(s) and Police.

• Power type and voltage
• AC/DC-set / 105-125 / 210-250 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4.5 inch = 11.4 cm

• Power out
• 0.8 W (unknown quality)

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Echophone EX-102 - Hallicrafters, The; Chicago,

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 355 x 210 x 150 mm / 14 x 8.3 x 5.9 inch

• Notes
• Same as EX-103 except bakelite cabinet, with Ballast Tube 24B856, which permit operation from 210-250Volt AC/DC as well as from 105-125Volt AC/DC Power Source. Dial lamp: *47 (6,3V/0,15A). Tone control. SW bandspread. Case brown or ivory.

• Net weight (2.2 lb = 1 kg)
• 3 kg / 6 lb 9.7 oz (6.608 lb)

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 20 covering 1950

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 6-49, Set 64, Folder 5)

• Other Models

• Here you find 898 models, 468 with images and 493 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hallicrafters, The; Chicago, IL and Arlington/Grand Prairie, TX