NF-Verstärker PA 4
Oppermann Electronic, Sachsenhagen
- Country
- Germany
- Manufacturer / Brand
- Oppermann Electronic, Sachsenhagen
- Year
- 1975 ??
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 256580
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 5
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Power type and voltage
- Powered by external power supply or a main unit. / DC: 8-14 Volt
- Loudspeaker
- - This model requires external speaker(s).
- Power out
- 4 W (unknown quality)
- Material
- Printed Circuit Board
- from Radiomuseum.org
- Model: NF-Verstärker PA 4 - Oppermann Electronic,
- Shape
- Chassis only or for «building in»
- Notes
-
NF- Baustein, NF-Verstärker PA 4, Oppermann-electronic, Sachsenhagen.
4-stufiger Verstärker mit 3 Si-Transistoren in den Vorstufen und 2 Germanium-Transistoren in der eisenlosen Endstufe. Durch eine starke Gegenkopplung werden beste technische Daten erreicht. Frequenzgang: 35 - 18000 Hz bei einem Klirrfaktor < 1 %. Störspannungsabstand ca. 80 dB, Betriebsspannung: 8 - 14 V/ bei 20 - 480 mA, max. Temp. 45 Grad; Pa = 4 W /4Ω bei 12 V, Pa = 3 W /8Ω bei 14 V.
- Price in first year of sale
- 13.00 DM
- Mentioned in
- Oppermann Katalog 1975, Seite 124
- Author
- Model page created by Reinhard Keins. See "Data change" for further contributors.
- Other Models
-
Here you find 11 models, 3 with images and 11 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Oppermann Electronic, Sachsenhagen