• Country
• Great Britain (UK)

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

• Year
• 1960 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 171923

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

• Number of Tubes
• 6

• Valves / Tubes
• ECC83 ECC83 ECC83 ECC83 EL34 EL34

• Number of Transistors

• Semiconductors
• Selenium-Rectifier Selenium-Rectifier

• Main principle
• Audio-Amplification; 5 AF stage(s)

• Wave bands
• - without

• Details
• Hi-Fi equipment

• Power type and voltage
• Alternating Current supply (AC) / 200-220; 230-250 Volt

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

• Power out
• 18 W (undistorted)

• Material
• Metal case

• from Radiomuseum.org
• Model: Mozart HFS-20M - Pye Ltd., Radio Works;

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 10 x 4 x 11 inch / 254 x 102 x 279 mm

• Notes

• Stereo version of the Pye Mozart HF10M; single-ended circuit.

• Net weight (2.2 lb = 1 kg)
• 20 lb 0 oz (20 lb) / 9.080 kg

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Sean Fitzgerald. See "Data change" for further contributors.

• Other Models

• Here you find 634 models, 490 with images and 348 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Pye Ltd., Radio Works; Cambridge