• Country
• Great Britain (UK)

• Manufacturer / Brand
• Advance Electronics / Components Ltd.; Hainault, Wrexham

• Year
• 1952 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 113598

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

• Number of Tubes
• 3

• Valves / Tubes
• ECC91 or 6J6 6SN7GT 6X5GT

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 110; 210; 230; 250 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: RF Signal generator B4A - Advance Electronics /

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 330 x 314 x 184 mm / 13 x 12.4 x 7.2 inch

• Notes
• The Advance B4A is a AM/CW RF signal generator, which covers frequencies from 100 kHz to 80 MHz in six bands. Accuracy within ± 1 % is given. The modulation can be internal (400 Hz) or external (10 Hz to 30 kHz). A meter on the front panel monitors either the modulation or the RF amplitude.

• Source of data
• - - Data from my own collection

• Mentioned in
• - - Manufacturers Literature

• Author
• Model page created by Emilio Ciardiello. See "Data change" for further contributors.

• Other Models

• Here you find 47 models, 43 with images and 21 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Advance Electronics / Components Ltd.; Hainault, Wrexham