• Country
• Great Britain (UK)

• Manufacturer / Brand
• Grampian Reproducers Ltd.; Middlesex

• Year
• 1950 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 361189

• Number of Tubes
• 5

• Valves / Tubes
• EF37A CL33 CL33 CY31 CY31

• Main principle
• Audio-Amplification; 2 AF stage(s)

• Wave bands
• - without

• Power type and voltage
• AC/DC-set / 200; 220; 250 Volt

• Loudspeaker
• 2 Loudspeakers

• Power out
• 12 W (unknown quality)

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Ensa U.A. - Grampian Reproducers Ltd.;

• Shape
• Miscellaneous shapes - described under notes.

• Notes

• PA amplifier with 2 inputs: Mic + Pick-up;

  Suitcase, separates in 3 parts: amp + 2x speaker.

• Mentioned in
• -- Schematic

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

• Other Models

• Here you find 8 models, 8 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grampian Reproducers Ltd.; Middlesex