• Country
• United States of America (USA)

• Manufacturer / Brand
• Ballantine Laboratories Inc.; Boonton, New Jersey

• Year
• 1945 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 83769

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

• Number of Tubes
• 6

• Valves / Tubes
• 6AK5 6AK5 6AK5 6AK5 6AK5 6X4 0A2 0A2

• Wave bands
• Wave Bands given in the notes.

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

• Material
• Metal case

• from Radiomuseum.org
• Model: AC-Voltmeter 310-A - Ballantine Laboratories Inc.;

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 170 x 300 x 165 mm / 6.7 x 11.8 x 6.5 inch

• Notes
• range 10Hz bis 10 MHz.

• Net weight (2.2 lb = 1 kg)
• 4.7 kg / 10 lb 5.6 oz (10.352 lb)

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Felix Schaffhauser. See "Data change" for further contributors.

• Other Models

• Here you find 15 models, 10 with images and 9 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ballantine Laboratories Inc.; Boonton, New Jersey