• Country
• United States of America (USA)

• Manufacturer / Brand
• Fisher Radio; New York (NY)

• Year
• 1955 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 290658

• Number of Tubes
• 1

• Valves / Tubes

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 105-125 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Preamplifier PR-4 - Fisher Radio; New York NY

• Shape
• Chassis only or for «building in»

• Notes

• Phono preamplifier, mono.

  Precurser of Fisher PR-5 and Fisher PR-6.

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

• Other Models

• Here you find 585 models, 496 with images and 193 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Fisher Radio; New York (NY)