- Country
- Great Britain (UK)
- Manufacturer / Brand
- Kolster Brandes Ltd. (KB, K.B., ITT); Foots Cray; GB
- Year
- 1956
- Category
- Sound/Video Recorder and/or Player
- Radiomuseum.org ID
- 148603
Image from service manual
Image kindly supplied by John Reynolds
Image kindly supplied by John Reynolds
Image kindly supplied by John Reynolds
Image kindly supplied by John Reynolds
Image kindly supplied by John Reynolds
Image kindly supplied by John Reynolds
The underside of the Garrard BA1 record deck
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 3
- Main principle
- Audio-Amplification; 2 AF stage(s)
- Wave bands
- - without
- Details
- Rec.Player+Audio.Amp+LS
- Power type and voltage
- Dry Batteries / 7.5 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical / Ø 7 inch = 17.8 cm
- from Radiomuseum.org
- Model: NRP11 - Kolster Brandes Ltd. KB, K.B.,
- Shape
- Portable set > 8 inch (also usable without mains)
- Dimensions (WHD)
- 225 x 125 x 298 mm / 8.9 x 4.9 x 11.7 inch
- Notes
-
Portable record player fitted with Garrard BA1 45RPM 7 inch player. The cartridge is a Cosmocord GP69 crystal pick-up with a Cosmocord SK2 stylus.
The speed of the motor is adjusted by R1, a 100 ohm potentiometer. This adjustment is allowed to compensate for fall in battery voltage. The adjustment is aided with a stroboscopic disc (supplied) which should be used with a 50Hz AC lamp.
The speaker is 7 x 4 inches.
See a demonstration of the KB NRP11
- Source of data
- -- Schematic
- Circuit diagram reference
- Radio and TV Servicing books (R&TVS) book
- 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 is part of the collections of the following members.