Brand:
Brühl & Kjoer
Type:
Amplifier
Model:
2604 Microphone Amplifier
Year:
1958
Brand:
Rohde & Schwarz
Type:
Microphone
Model:
Tube Microphone for EZGN Schallpegelmesser
Year:
1958
Brand:
Synton
Type:
Microphone
Model:
G-23 Crystal Microphone
Year:
1950
