All Transistor Direction Finder FR-662B
Sanshin Electric Co.; Tokyo
- Country
- Japan
- Manufacturer / Brand
- Sanshin Electric Co.; Tokyo
- Year
- 1965–1972
- Category
- Commercial Receiver (may include amateur bands)
- Radiomuseum.org ID
- 108163
Tuning knob not original
ebay.com #251471333167 seller money2me118
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 11
- Main principle
- Superhet with RF-stage; ZF/IF 455 kHz; 4 AF stage(s)
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Wave Bands given in the notes.
- Power type and voltage
- Dry Batteries / D: 4 x 1.5 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
- Power out
- 0.3 W (unknown quality)
- Material
- Metal case
- from Radiomuseum.org
- Model: All Transistor Direction Finder FR-662B - Sanshin Electric Co.; Tokyo
- Shape
- Portable set > 8 inch (also usable without mains)
- Dimensions (WHD)
- 260 x 165 x 220 mm / 10.2 x 6.5 x 8.7 inch
- Notes
- Designed for DF on marine crafts. Ranges 170 - 400 kHz, 550 - 1600 kHz, 1.6 MHz - 4.0 MHz, AM/CW. Optional xtal channel for marine band. Shielded ferrite antenna with compass scale on the top, additional rod antenna. This set was sold in Germany by Reuter-Elektronik, Haiger, as FR662BR with FTZ permit C46020. The weight is without batteries.
AM-IF with piezo (crystal) resonator located in 1st IF transformer.
- Net weight (2.2 lb = 1 kg)
- 3.6 kg / 7 lb 14.9 oz (7.93 lb)
- Source of data
- -- Original-techn. papers.
- Author
- Model page created by a member from D. See "Data change" for further contributors.
- Other Models
-
Here you find 12 models, 11 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Sanshin Electric Co.; Tokyo
Collections
The model All Transistor Direction Finder is part of the collections of the following members.