• Country
• Great Britain (UK)

• Manufacturer / Brand
• Mullard Radio Valve Co. Ltd.;

• Year
• 1956 ?

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

• Radiomuseum.org ID
• 159589

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

• Number of Tubes
• 3

• Valves / Tubes
• EF86 EL84 EZ80

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 230 Volt

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

• Power out
• 3 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: High Fidelity Amplifier 3-3 - Mullard Radio Valve Co. Ltd.;

• Shape
• Chassis only or for «building in»

• Notes
• A Mullard design in which negative feedback is used. The input pentode is almost starved of anode voltage. Its screen grid gets its voltage from the cathode of the EL84.

• Literature/Schematics (1)
• Radio Constructor April 1956

• Other Models

• Here you find 2 models, 2 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Mullard Radio Valve Co. Ltd.;