Brand:
acoustic
Type:
Controller
Model:
Phase & Polarity Detector PHI-3D / Generator PHI-3G
Year:
1990

Brand:
American
Type:
Microphone
Model:
American D4T Dynamic Microphone
Year:
1939

Brand:
QSC Audio
Type:
Amplifier with speaker
Model:
Electro Voice Audio Model 1700 Stereo Power Amplifier
Year:
1980
