• Country
• United States of America (USA)

• Manufacturer / Brand
• Barker & Williamson Inc., Bristol (PA)

• Year
• 1966 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 298528

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

• Number of Transistors

• Semiconductors
• unknown_diode

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 120 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Dummy Load - Wattmeter 334A - Barker & Williamson Inc.,

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 4.75 x 9 x 10.25 inch / 121 x 229 x 260 mm

• Notes

• Load impedance: 52 Ω
  Frequency range: 2 to 300 MHz
  SWR: <1:1.3 @ 300 MHz
  Wattmeter ranges: 0/10/100/300/1000 W

  Power for warning light is funished by a 120 VAC line.

  Load resistor may be oil cooled without hermetic sealing, depending on type of oil this might be a health hazard if "PCB" based.

  See similar model Waters 334A

• Net weight (2.2 lb = 1 kg)
• 12 lb 0 oz (12 lb) / 5.448 kg

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Miguel Bravo-Cos. See "Data change" for further contributors.

• Other Models

• Here you find 12 models, 10 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Barker & Williamson Inc., Bristol (PA)