• Country
• Great Britain (UK)

• Manufacturer / Brand
• Datong Electronics, Ltd.; Leeds

• Year
• 1985 ??

• Category
• Amateur Equipment (Other, but not Key)

• Radiomuseum.org ID
• 186479

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries / 9 Volt

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

• Power out
• 2 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Frequency-Agile Audio Filter FL1 - Datong Electronics, Ltd.;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 205 x 83 x 140 mm / 8.1 x 3.3 x 5.5 inch

• Notes
• Datong Frequency-Agil Audio Filter FL1.
  Input impedance: 100 kΩ; Output power: 2 W at 8 Ω, 0.75 W at 4 Ω; Centre-frequency tuning range: 280 to 3000 Hz; External power supply 6.5 to 16 VDC possible.

• Net weight (2.2 lb = 1 kg)
• 0.770 kg / 1 lb 11.1 oz (1.696 lb)

• Mentioned in
• - - Manufacturers Literature

• Author
• Model page created by Hugo Sneyers. See "Data change" for further contributors.

• Other Models

• Here you find 11 models, 8 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Datong Electronics, Ltd.; Leeds