• Country
• Australia

• Manufacturer / Brand
• Trimax Transformers (Cliff & Bunting Pty. Ltd.); Melbourne, Victoria

• Year
• 1959

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 283304

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

• Number of Tubes
• 4

• Valves / Tubes
• 6AU6 12AT7 EL34 or 6CA7 EL34 or 6CA7

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 200-250 Volt

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

• Power out
• 12 W (20 W max.)

• Material
• Metal case, TUBES VISIBLE

• from Radiomuseum.org
• Model: Amplifier A54B - Trimax Transformers Cliff &

• Shape
• Rack

• Dimensions (WHD)
• 19 x 5.25 x 8 inch / 483 x 133 x 203 mm

• Notes

• 12 Watt studio amplifier used by the PMG/Telecom in TV and broadcast transmitter sites. 

  Same as the A54 but uses a silicon rectifier bridge.

• Mentioned in
• - - Manufacturers Literature (1964 Catalogue)

• Author
• Model page created by Gary Cowans. See "Data change" for further contributors.

• Other Models

• Here you find 17 models, 10 with images and 14 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Trimax Transformers (Cliff & Bunting Pty. Ltd.); Melbourne, Victoria