AF Amplifier AM-447B/G
Siltronic Company; Pittsburg
- Country
- United States of America (USA)
- Manufacturer / Brand
- Siltronic Company; Pittsburg
- Year
- 1950 ??
- Category
- Military Equipment (not Re, Tr or RXT)
- Radiomuseum.org ID
- 317952
Photographed on my bench
Photographed on my bench
Photographed on my bench.
Photographed on my bench
Photographed on my bench.
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 5
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Power type and voltage
- Alternating Current supply (AC) / 107-120 Volt
- Loudspeaker
- - This model requires external speaker(s).
- Power out
- 3 W (undistorted)
- Material
- Metal case, TUBES VISIBLE
- from Radiomuseum.org
- Model: AF Amplifier AM-447B/G - Siltronic Company; Pittsburg
- Shape
- Rack
- Dimensions (WHD)
- 8.25 x 6.6 x 14.5 inch / 210 x 168 x 368 mm
- Notes
-
Audio Frequency Amplifier, Volume Limiting Type
Ensures uniform output under conditions where the received signal level may vary in amplitude, eliminating the need for constantly readjusting the output level. It is intended to be used as a line or microphone amplifier for modulating transmitting equipment.
Input impedance: 600 ohms or 300 ohms
Output impedance: 600 ohms or 200 ohms
Frequency response: 300hz to 3500hz +/- 2db
Gain: 34.8 dBM max
Output: 3W
- Net weight (2.2 lb = 1 kg)
- 22 lb (22 lb 0 oz) / 9.988 kg
- Author
- Model page created by Mark McClellan. See "Data change" for further contributors.
- Other Models
-
Here you find 2 models, 2 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Siltronic Company; Pittsburg
Collections
The model AF Amplifier is part of the collections of the following members.