Mikrofonverstärker MV 690 (MV690)

ID = 155286

Neumann & Co, Georg;: Mikrofonverstärker MV 690 [Microphone] ID = 614856 933x700

Country: Germany	Manufacturer/Brand: Neumann & Co, Georg; Gefell
Year: 1975 ??	Type: Microphone
Transistors	2:

Principle	Audio-Amplification; none
Wave bands	- without
Power type and voltage	Powered by external power supply or a main unit.
Loudspeaker/pwr.out	- For headphones or amp.
from Radiomuseum.org	Model: Mikrofonverstärker MV 690
Material	Metal case
Shape	Miscellaneous shapes - described under notes.
Dimensions (WHD)	25 x 132 x 25 mm / 1 x 5.2 x 1 inch
Notes	Kleinmikrophon-Verstärker (Korpus) mit Feldeffekttransistor für die Kapseln M69, M94, M71 und andere. Anschluss über Kupplungssteckdose vom Typ Gefell NS-84 7-Pol. Speisung aus Netzgerät N690.

This model was suggested by Nikolaus Löwe.

All listed radios etc. from Neumann & Co, Georg; Gefell
Here you find 28 models, 25 with images and 6 with schematics.