• Country
• United States of America (USA)

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

• Year
• 1948 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 156850

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

• Number of Tubes
• 5

• Valves / Tubes
• 6AU6 6AU6 6AU6 6AU6 6X5 0A2

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 115; 230 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Sensitive Electronic Voltmeter 300D - Ballantine Laboratories Inc.;

• Dimensions (WHD)
• 6 x 7 x 11 inch / 152 x 178 x 279 mm

• Net weight (2.2 lb = 1 kg)
• 4.540 kg / 10 lb 0 oz (10 lb)

• Author
• Model page created by Meyer Rochwerger. See "Data change" for further contributors.

• Other Models

• Here you find 17 models, 12 with images and 12 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ballantine Laboratories Inc.; Boonton, New Jersey