• Country
• United States of America (USA)

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

• Year
• 1954 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 150769

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 105-125 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Sensitive Inverter 700 - Ballantine Laboratories Inc.;

• Shape
• Tablemodel, with any shape - general.

• Notes
• Sensitive chopper/preamplifier for measuring very feeble signals. Input voltage down to 1 microvolt; x10 or x100 amplification.

• Literature/Schematics (1)
• Electronics, September 1954, page 192

• Author
• Model page created by Emilio Ciardiello. 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