Six Transistors TR-670

Crown Radio Corp.; Tokyo

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Country
Japan

Manufacturer / Brand
Crown Radio Corp.; Tokyo

Year
1959

Category
Broadcast Receiver - or past WW2 Tuner

Radiomuseum.org ID
121609

- alternative name: Asahi Radio Mfg. Co., Ltd

Picture
Schematics

Six Transistors TR-670; Crown Radio Corp.; (ID = 549862) Radio — Crown Radio Corp.; Six Transistors TR-670 (3)

Six Transistors TR-670; Crown Radio Corp.; (ID = 549863) Radio — Crown Radio Corp.; Six Transistors TR-670 (3)

Six Transistors TR-670; Crown Radio Corp.; (ID = 549864) Radio — Crown Radio Corp.; Six Transistors TR-670 (3)

Six Transistors TR-670; Crown Radio Corp.; (ID = 549865) Radio — Crown Radio Corp.; Six Transistors TR-670 (3)

Six Transistors TR-670; Crown Radio Corp.; (ID = 2256073) Radio — Crown Radio Corp.; Six Transistors TR-670 (1)

Six Transistors TR-670; Crown Radio Corp.; (ID = 2256074) Radio — Crown Radio Corp.; Six Transistors TR-670 (1)

Six Transistors TR-670; Crown Radio Corp.; (ID = 2256075) Radio — Crown Radio Corp.; Six Transistors TR-670 (1)

Six Transistors TR-670; Crown Radio Corp.; (ID = 2256076) Radio — Crown Radio Corp.; Six Transistors TR-670 (1)

Six Transistors TR-670; Crown Radio Corp.; (ID = 2256077) Radio — Crown Radio Corp.; Six Transistors TR-670 (1)

Six Transistors TR-670; Crown Radio Corp.; (ID = 2256078) Radio — Crown Radio Corp.; Six Transistors TR-670 (1)

Six Transistors TR-670; Crown Radio Corp.; (ID = 407008) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
270199839028

Six Transistors TR-670; Crown Radio Corp.; (ID = 407007) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
270199839028

Six Transistors TR-670; Crown Radio Corp.; (ID = 1210756) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
Ebay User boatgreencat Item 150793164861

Six Transistors TR-670; Crown Radio Corp.; (ID = 1210757) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
Ebay User boatgreencat Item 150793164861

Six Transistors TR-670; Crown Radio Corp.; (ID = 1210758) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
Ebay User boatgreencat Item 150793164861

Six Transistors TR-670; Crown Radio Corp.; (ID = 1210759) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
Ebay User boatgreencat Item 150793164861

Six Transistors TR-670; Crown Radio Corp.; (ID = 1210761) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
Ebay User boatgreencat Item 150793164861

Six Transistors TR-670; Crown Radio Corp.; (ID = 1210763) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
Ebay User boatgreencat Item 150793164861

Six Transistors TR-670; Crown Radio Corp.; (ID = 1210765) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
Ebay User boatgreencat Item 150793164861

Six Transistors TR-670; Crown Radio Corp.; (ID = 1210766) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
Ebay User boatgreencat Item 150793164861

Six Transistors TR-670; Crown Radio Corp.; (ID = 1211084) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
Ebay User redasrack Item 230772384217

Six Transistors TR-670; Crown Radio Corp.; (ID = 1211085) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
Ebay User redasrack Item 230772384217

Six Transistors TR-670; Crown Radio Corp.; (ID = 1211086) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
Ebay User redasrack Item 230772384217

Six Transistors TR-670; Crown Radio Corp.; (ID = 1211087) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
Ebay User redasrack Item 230772384217

Six Transistors TR-670; Crown Radio Corp.; (ID = 1211088) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
Ebay User redasrack Item 230772384217

Six Transistors TR-670; Crown Radio Corp.; (ID = 2894173) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
eBay item number:225535394099

Six Transistors TR-670; Crown Radio Corp.; (ID = 2894175) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
eBay item number:225535394099

Six Transistors TR-670; Crown Radio Corp.; (ID = 2894178) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
eBay item number:225535394099

Six Transistors TR-670; Crown Radio Corp.; (ID = 2894179) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
eBay item number:225535394099

Six Transistors TR-670; Crown Radio Corp.; (ID = 2894180) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
eBay item number:225535394099

Six Transistors TR-670; Crown Radio Corp.; (ID = 2894181) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
eBay item number:225535394099

Six Transistors TR-670; Crown Radio Corp.; (ID = 2894182) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
eBay item number:225535394099

Six Transistors TR-670; Crown Radio Corp.; (ID = 2894183) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
eBay item number:225535394099

Six Transistors TR-670; Crown Radio Corp.; (ID = 2894184) Radio — Crown Radio Corp.; Six Transistors TR-670 (2)
eBay item number:225535394099

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

Technical Specifications

Number of Transistors
6

Semiconductors
2N219 2N218 2N218 2N215 2N217 2N217

Main principle
Superheterodyne (common); ZF/IF 455 kHz

Wave bands
Broadcast only (MW).

Power type and voltage
Dry Batteries / 1 x 9 Volt

Loudspeaker
Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.25 inch = 5.7 cm

Material
Plastics (no bakelite or catalin)

from Radiomuseum.org
Model: Six Transistors TR-670 - Crown Radio Corp.; Tokyo

Shape
Very small Portable or Pocket-Set (Handheld) < 8 inch.

Dimensions (WHD)
61 x 103 x 25 mm / 2.4 x 4.1 x 1 inch

Notes
Earphone jack. The manufacturing company behind the Crown brand name was Asahi Radio Co of Japan.

Imported by Shriro.

Literature/Schematics (1)
Photofact Folder, Howard W. SAMS (Set 501 folder 6 date 10-60)

Literature/Schematics (2)
Transistor Radios (Model info on page 38)

Literature/Schematics (3)
Collector's Guide To TrR1 Bunis trans.94 (Model info on page 74)

Author
Model page created by a member from A. See "Data change" for further contributors.

Other Models
Here you find 369 models, 337 with images and 98 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Crown Radio Corp.; Tokyo

Collections | Museums | Literature

Collections

The model Six Transistors is part of the collections of the following members.

Ray Albright (USA)

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