4 Band BZ-490
Sharp; Osaka
- Country
- Japan
- Manufacturer / Brand
- Sharp; Osaka
- Year
- 1961–1963
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 316117
-
- alternative name: Hayakawa Electric Co.Ltd.
- 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 plus more than 2 Short Wave bands.
- Power type and voltage
- Dry Batteries / "AA" 4 by 1.5 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.6 inch = 6.6 cm
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: 4 Band BZ-490 - Sharp; Osaka
- Shape
- Very small Portable or Pocket-Set (Handheld) < 8 inch.
- Dimensions (WHD)
- 7.5 x 4.25 x 1.875 inch / 191 x 108 x 48 mm
- Notes
-
Sharp Model BZ490
A nine transistor, four band superheterodyne portable radio with automatic gain control.
Tuning range: B/C 535 - 1605 kC/s (kHz). S/W1 1.6 - 4.3 MC/s (MHz). S/W2 3.9 - 12 MC/s (MHz). S/W3 12 - 25 MC/s (MHz).
Powered by Eveready Type 915 (AA Cells). Power output 150 mW. Speaker: 2.6" PM Dynamic (voice coil impedance 10 ohms).
Accessories: leather case, earphone.This model sold in Australia between 1961 & 1963 for £51/9/-.
See also version with long-wave.
- Mentioned in
- Mingay's Price Service (Feb 1962 to Aug 1963.)
- Literature/Schematics (1)
- J.R. Publications Transistor Radio Service Handbook (E Series Handbook, Page S131. (Also at KevinChant com))
- Author
- Model page created by Martin Kent. See "Data change" for further contributors.
- Other Models
-
Here you find 1338 models, 1209 with images and 517 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Sharp; Osaka
Collections
The model 4 Band is part of the collections of the following members.