CAD ST-100B Boundary Microphone

Store Model - Older Unit

The CAD ST-100 is a superior low noise, electret condenser cardioid surface mounted boundary microphone. It's ideal for use on altars, conference tables, stage floors, or television productions.

The ST-100 is available in two colors. Model ST-100 is matte black with a black cable. The ST-100W is white with a matching white cable.

Specifications:

• Generating Element: Electret Condenser (Phantom Powered)

• Polar Pattern: Unidirectional (Half Cardioid in the plane above boundary)

• Frequency Response: 40 Hz - 20 kHz @ 30 off axis

• Output Level:

• Power Level: -35 dB (0 dB = 1 mW per 10 microbars)

• Open Circuit Voltage: -55 dB (0 dB = 1 volt per microbar) 17.8 mV/Pascal

• Impedance: Low (250 ohms nominal)

• Dynamic Range: 100 dB

• Equivalent Noise Level: Less than 26 dB, A weighted

• Maximum SPL: 130 dB (1% THD, open circuit)

• Powering: Supply Voltage: 9 - 52 Vdc, positive pins 2 & 3 reverse polarity protected

• Current Required: Less than 5.0 mA over operating voltage range

• Phasing: Positive Pressure on Diaphragm generates a positive voltage on pin 2 relative to pin 3
• Finish: ST-100 - Durable Black urethane, ST-100W - Durable White urethane