Transistor Portable 31
Invicta Radio Ltd.; Cambridge, London
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Invicta Radio Ltd.; Cambridge, London
- Year
- 1959 ?
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 331682
1959 Advertisement
- Number of Transistors
- 6
- Semiconductors
- Main principle
- Superheterodyne (common); ZF/IF 470 kHz
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Dry Batteries / PP1: 6 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
- Material
- Leather / canvas / plastic - over other material
- from Radiomuseum.org
- Model: Transistor Portable 31 - Invicta Radio Ltd.; Cambridge,
- Shape
- Portable set > 8 inch (also usable without mains)
- Dimensions (WHD)
- 11.5 x 8 x 4.25 inch / 292 x 203 x 108 mm
- Notes
-
A MW/LW portable battery transistor radio. Socket for car aerial. Price in 1959 18½ guineas.
6 White Circle transistors as follows.Code Transistor Function Type V1 Frequency Changer White Circle 1 V2 1st I.F. Amplifier White Circle 2 V3 2nd I.F. Amplifier White Circle 3 V4 A.F. Amplifier White Circle 4 V5 Output White Circle 5 V6 Output White Circle 5
- Price in first year of sale
- 19.43 £
- Mentioned in
- -- Original prospect or advert (Advert in Illustrated London News, 5 September 1959)
- Literature/Schematics (1)
- - - Manufacturers Literature (Invicta Service Sheet model 31 Transistor Portable)
- Author
- Model page created by Howard Craven. See "Data change" for further contributors.
- Other Models
-
Here you find 117 models, 68 with images and 82 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Invicta Radio Ltd.; Cambridge, London