• Country
• Netherlands

• Manufacturer / Brand
• Philips; Eindhoven (tubes international!); Miniwatt

• Year
• 1970

• Category
• Kit (Parts plus instruction) or building instructions only

• Radiomuseum.org ID
• 194927

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

• Number of Transistors
• 26

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 127; 220 Volt

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

• Power out
• 20 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: HF311 - Philips; Eindhoven tubes

• Shape
• Book-shelf unit.

• Notes
• The Philips Stereo Amplifier HF311 was sold as a kit.
  Bouwpakket for 2 x 10 W HiFi-Stereo Transistorversterker.
  Pilot lamp: 7121D (6V/0,05A).
  Matching kit tuner: Philips FM14 Transistor HiFi-Tuner.

• Source of data
• -- Schematic

• Author
• Model page created by Antonio Martins-Pais. See "Data change" for further contributors.

• Other Models

• Here you find 5270 models, 4414 with images and 3455 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt