- Country
- United States of America (USA)
- Manufacturer / Brand
- Grommes Precision Electronics, Inc.; Chicago (IL)
- Year
- 1957 ?
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 318607
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 4
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Power type and voltage
- Alternating Current supply (AC) / 60 Hz, 117V = 110 -120 Volt
- Loudspeaker
- - For headphones or amp.
- Material
- Metal case
- from Radiomuseum.org
- Model: 207A - Grommes Precision Electronics,
- Shape
- Book-shelf unit.
- Notes
-
Grommes model 207A is an AC operated 6 channel audio preamplifier.
- Literature/Schematics (1)
- Photofact Folder, Howard W. SAMS (Set 382 Folder 8 dated 12-57)
- Author
- Model page created by Dirk Taekels. See "Data change" for further contributors.
- Other Models
-
Here you find 75 models, 68 with images and 51 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Grommes Precision Electronics, Inc.; Chicago (IL)