Electronic Voltmeter 300
Ballantine Laboratories Inc.; Boonton, New Jersey
- Country
- United States of America (USA)
- Manufacturer / Brand
- Ballantine Laboratories Inc.; Boonton, New Jersey
- Year
- 1942–1949
- Category
- Service- or Lab Equipment
- Radiomuseum.org ID
- 138853
Special Version
Ballantine Model 300 front view
Service manual
Audio Engineering April 1949 - Page 45
Why Ballantine used Logarithmic scales
Ballantine 300 chassis and outer case
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 5
- 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: Electronic Voltmeter 300 - Ballantine Laboratories Inc.;
- Shape
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 4.5 x 5.75 x 11 inch / 114 x 146 x 279 mm
- Notes
- 1 mV to 100 V in five ranges, plus 1 and 10 kV with multipliers; 10 Hz to 150 kHz, logarithmic scale.
- Net weight (2.2 lb = 1 kg)
- 4.313 kg / 9 lb 8 oz (9.5 lb)
- Literature/Schematics (1)
- Avertised in Electronics, Feb. 1942
- Author
- Model page created by Emilio Ciardiello. 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
Collections
The model Electronic Voltmeter is part of the collections of the following members.