Holman Preamplifier rack
Apt Corporation; Cambridge, MA
- Country
- United States of America (USA)
- Manufacturer / Brand
- Apt Corporation; Cambridge, MA
- Year
- 1979–1983 ?
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 354502
- Number of Transistors
- 35
- Semiconductors
- Main principle
- Audio-Amplification; Hi-Fi-High End products
- Wave bands
- - without
- Details
- Hi-Fi equipment
- Power type and voltage
- Alternating Current supply (AC) / 117 Volt
- Loudspeaker
- - For headphones or amp.
- Material
- Metal case
- from Radiomuseum.org
- Model: Holman Preamplifier [rack] - Apt Corporation; Cambridge, MA
- Shape
- Rack
- Notes
-
Identical to the Holman Preamplifier (bookshelf) except for cabinet style.
See also Apt 201-A Pre-preamplifier.
- Author
- Model page created by David Erali. See "Data change" for further contributors.
- Other Models
-
Here you find 4 models, 4 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Apt Corporation; Cambridge, MA