• Country
• Great Britain (UK)

• Manufacturer / Brand
• Farnell A.C. Ltd.; Leeds

• Year
• 1982 ?

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 306704

• • Brand: WAL

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

• Number of Transistors
• 29

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 220; 240 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: TOPS3D - Farnell A.C. Ltd.; Leeds

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 219 x 169 x 290 mm / 8.6 x 6.7 x 11.4 inch

• Notes

• Triple-output regulated DC bench power supply, with in-built digital metering for current and voltage.

  1)  4 to 6 Volts @ 4 Ampere

  2) & 3)  Tracking outputs -5 to -17 Volts / +5 to +17 Volts @ 1 Ampere

   

• Net weight (2.2 lb = 1 kg)
• 7.4 kg / 16 lb 4.8 oz (16.3 lb)

• Literature/Schematics (1)
• - - Manufacturers Literature

• Author
• Model page created by John Sykes. See "Data change" for further contributors.

• Other Models

• Here you find 7 models, 7 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Farnell A.C. Ltd.; Leeds