• Country
• Great Britain (UK)

• Manufacturer / Brand
• Pye Ltd., Radio Works; Cambridge

• Year
• 1955 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 129284

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 5

• Valves / Tubes
• ECC35 ECC33 KT66 KT66 GZ32

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 100-250 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Metal case

• from Radiomuseum.org
• Model: Provost HF25 - Pye Ltd., Radio Works;

• Shape
• Chassis only or for «building in»

• Notes
• Power amp, mono; with power supply for preamp.

• Source of data
• -- Collector info (Sammler)

• Literature/Schematics (1)
• -- Schematic

• Author
• Model page created by Gottfried Silberhorn. See "Data change" for further contributors.

• Other Models

• Here you find 626 models, 482 with images and 342 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Pye Ltd., Radio Works; Cambridge