- Country
- Great Britain (UK)
- Manufacturer / Brand
- Perdio Electronics Ltd. / Products Ltd.; London, Stanmore
- Year
- 1958 ?
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 148682
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 4
- Semiconductors
- Main principle
- Superheterodyne (common); ZF/IF 470 kHz; 3 AF stage(s); Reflex
- Tuned circuits
- 4 AM circuit(s)
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Dry Batteries / 9 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- from Radiomuseum.org
- Model: PR4 - Perdio Electronics Ltd. /
- Shape
- Very small Portable or Pocket-Set (Handheld) < 8 inch.
- Dimensions (WHD)
- 5.75 x 3.25 x 1.25 inch / 146 x 83 x 32 mm
- Notes
- Miniature "personal" receiver. 4 transistors & one diode. IF amplifier is also AF amplifier (Reflex).
- Net weight (2.2 lb = 1 kg)
- 0.4 kg / 0 lb 14.1 oz (0.881 lb)
- 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 63 models, 53 with images and 39 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Perdio Electronics Ltd. / Products Ltd.; London, Stanmore