Brand:
acoustic
Type:
Controller
Model:
Phase & Polarity Detector PHI-3D / Generator PHI-3G
Year:
1990
Brand:
Bell & Howell
Type:
Microphone
Model:
437681 Unidirectional Electret Condenser Microphone
Year:
1980
Brand:
New Max
Type:
Speaker
Model:
TS-25 Tabular Extension Speaker
Year:
1962
