- Country
- Great Britain (UK)
- Manufacturer / Brand
- Kolster Brandes Ltd. (KB, K.B., ITT); Foots Cray; GB
- Year
- 1961/1962
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 167730
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 6
- Main principle
- Superheterodyne (common); ZF/IF 470 kHz; 2 AF stage(s)
- Tuned circuits
- 5 AM circuit(s)
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Dry Batteries / 2 x 9 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
- Power out
- 0.7 W (unknown quality)
- Material
- Leather / canvas / plastic - over other material
- from Radiomuseum.org
- Model: Sonata SP31 - Kolster Brandes Ltd. KB, K.B.,
- Shape
- Portable set > 8 inch (also usable without mains)
- Dimensions (WHD)
- 204 x 157 x 89 mm / 8 x 6.2 x 3.5 inch
- Notes
-
The Kolster-Brandes model Sonata SP31 has tame chassis as model RP21. A set with a date stamp October 16, 1961 shows the following transistors: GET874P mixer / osc, GET873P if amp, GET873P if amp, GET113 Audio driver, GET113 Audio output, GET113 Audio output.
- Price in first year of sale
- 17.33 UK £
- Source of data
- -- Schematic
- Mentioned in
- Radio! Radio! (Date and price from Radio Radio, (Hill), page 260)
- Literature/Schematics (1)
- Radio And Television Servicing books (R&TVS) (Info from R&TVS vol 1962-63.)
- Author
- Model page created by Keith Staines. See "Data change" for further contributors.
- Other Models
-
Here you find 415 models, 372 with images and 253 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Kolster Brandes Ltd. (KB, K.B., ITT); Foots Cray; GB
Collections
The model Sonata is part of the collections of the following members.