• Country
• United States of America (USA)

• Manufacturer / Brand
• Arvin, brand of Noblitt-Sparks Industries

• Year
• 1952 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 33106

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

• Number of Tubes
• 5

• Valves / Tubes
• 12BE6 12BA6 12AT6 or 12AV6 50C5 35W4

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

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 60Hz, 117V=110-120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• Power out
• 1.1 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 657-T Ch= RE307 - Arvin, brand of Noblitt-Sparks

• Shape
• Tablemodel with Clock ((Alarm-) Clock Radio).

• Dimensions (WHD)
• 13 x 6.8 x 6 inch / 330 x 173 x 152 mm

• Notes

• Arvin model 657-T is an AC operated AM superheterodyne receiver with electric clock.
  The 657-T was sold in colors:
  Ivory / Willow Green Clock Face
  Willow Green / Ivory Clock Face

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 12, 1952

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

• Literature/Schematics (1)
• Rider's Perpetual, Volume 23 (last) = covering up to 1954 (+SAMS 5-52, set 168, folder 5)

• Literature/Schematics (2)
• Machine Age to Jet Age II (page 67.)

• Literature/Schematics (3)
• Photofact Folder, Howard W. SAMS (Set 168, folder 5, dated 5-52)

• Other Models

• Here you find 698 models, 487 with images and 558 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Arvin, brand of Noblitt-Sparks Industries