• Country
• Great Britain (UK)

• Manufacturer / Brand
• Mullard Wireless, London (see also Mullard Radio Valve)

• Year
• 1955

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 283570

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

• Number of Tubes
• 3

• Valves / Tubes
• EF86 EF86 EF86

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit. / DC: 250 & AC: 6.3 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: High Fidelity Pre-Amplifier - Mullard Wireless, London see

• Shape
• Chassis only or for «building in»

• Notes

• High fidelity pre-amplifier designed by W.A. Ferguson for Mullard in 1955.

  This pre-amplifier is designed to be used with High Fidelity 20 Watt Power Amplifier.
  Requires 250DC at 3mA and 6.3V AC.
  The “Phono” input incorporates RIAA equalization for micro groove records.

• Mentioned in
• - - Manufacturers Literature

• Author
• Model page created by Gary Cowans. See "Data change" for further contributors.

• Other Models

• Here you find 143 models, 117 with images and 59 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Mullard Wireless, London (see also Mullard Radio Valve)