• Country
• Great Britain (UK)

• Manufacturer / Brand
• Plessey; Ilford

• Year
• 1967–1970

• Category
• Commercial Receiver (may include amateur bands)

• Radiomuseum.org ID
• 97626

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Wadley-Loop principle (including dual superhet); ZF/IF 37300 kHz

• Wave bands
• Broadcast, Long Wave and more than two Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 110-125 / 200-240 / 24 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Power out
• 0.4 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: PR-155 - Plessey; Ilford

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 16.75 x 7 x 17 inch / 425 x 178 x 432 mm

• Notes
• Triple conversion Receiver, coverage 15 - 30.000 kHz, AM/USB/LSB/CW, BFO ± 8 kHz, 0.5 µV sensitivity, analogue frequency readout (1/3 kHz!), "Wadley loop" technique with MHz selector and 0 - 1000 kHz film dial.

• Net weight (2.2 lb = 1 kg)
• 17.2 kg / 37 lb 14.2 oz (37.885 lb)

• Mentioned in
• Shortwave Receivers - Past & Present (3rd ed.)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 14 models, 11 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Plessey; Ilford