Truetone Imperial and Trav-ler Transistor 9 DC-3270

Western Auto Supply Co. (Truetone); Kansas City (MO)

  • Year
  • 1961
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 145447

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

 Technical Specifications

  • Number of Transistors
  • 9
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage and/or dry batteries / 4 x 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 cm = 3.1 inch
  • Power out
  • 0.2 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Truetone Imperial and Trav-ler Transistor 9 DC-3270 - Western Auto Supply Co.
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 150 x 90 x 50 mm / 5.9 x 3.5 x 2 inch
  • Notes
  • The Truetone Imperial DC3270 is featured in the SAMS Photofact set 577 folder 16 of May 1962 therefore we list it as model 1961. The same technical data has been used for Truetone DC3270 and DC3419, Trav-Ler TR620, TR625 and TR630 plus for Columbia C-709. Two of the 9 transistors are used as diodes.

  • Net weight (2.2 lb = 1 kg)
  • 0.4 kg / 0 lb 14.1 oz (0.881 lb)
  • Literature/Schematics (1)
  • Antique Radio Magazine n.85, July-August 2008, page 40, article written in Italian.
  • Author
  • Model page created by Aldo Andreani. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

The model Truetone Imperial and Trav-ler Transistor 9 is part of the collections of the following members.

 Forum

Forum contributions about this model: Western Auto Supply: Truetone Imperial and Trav-ler Transistor 9 DC-3270

Threads: 1 | Posts: 2

Power type and voltage Batteries: 6 V (4x1.5V)

 

Loudspeaker/pwr.out  8 cm, 8 ohm, 300 mW

 

Material: plastic

 

Shape: see pictures (I'll upload them later with the circuit diagram)

 

Dimensions: 15x9x5 cm

 

Net weight (2.2 lb = 1 kg)  400 g without batteries and leather case

 

Price ebay  $20-40

 

External source of data: Antique Radio Magazine n.85, July-August 2008, page 40 written in Italian

 

Circuit diagram reference: see Notes

 

Mentioned in:

http://radioatticarchives.com/radio.php?radio=3246

David R. Lane & Robert A. Lane, Transistor Radios. A Collector's Encyclopedia and Price Guide, 1994

Marty and Sue Bunis, Collector's Guide to Transistor Radios, II ed., 1996

 

 

Aldo Andreani, 24.Jan.09

Weitere Posts (2) zu diesem Thema.