Audio Technica AT891R Microphone

The Audio Technica AT891R Cardioid Condenser Boundary Microphone with switch is ideal for high-quality sound reinforcement, conferencing and other demanding surface-mount applications.

• Ultra-quiet electronic switch can be set to any of three operating modes: "touch-on/touch-off," "touch-to-talk" and "touch-to-mute"
• Red LED on top indicates when mic is "on"
• Switchable 80 Hz hi-pass filter
• Self-contained power module
• Rubber non-slip bottom pad minimizes mechanical coupling of surface vibrations to the microphone
• Rugged, low-profile housing with low-reflectance black finish

Specifications:

• ELEMENT Fixed-charge back plate, permanently polarized condenser
• POLAR PATTERN Cardioid
• FREQUENCY RESPONSE 30-10,000 Hz
• LOW FREQUENCY ROLL-OFF 80 Hz, 12 dB/octave
• OPEN CIRCUIT SENSITIVITY -33 dB (22.4 mV) re 1V at 1 Pa
• IMPEDANCE 200 ohms
• MAXIMUM INPUT SOUND LEVEL 123 dB SPL, 1 kHz at 1% T.H.D.
• DYNAMIC RANGE (typical) 93 dB, 1 kHz at Max SPL
• SIGNAL-TO-NOISE RATIO 64 dB, 1 kHz at 1 Pa
• PHANTOM POWER REQUIREMENTS 11-52V DC, 4 mA typical
• SWITCHES Touch-sensitive switch: on, off
• Mode selection: touch on/off, momentary on, momentary off
• Low cut: flat, roll-off
• WEIGHT 2.6 oz (74 g)
• DIMENSIONS 2.87" (73.0 mm) maximum width, 4.33" (110.0 mm) maximum length, 0.85" (21.5 mm) maximum height
• OUTPUT CONNECTOR TB3M-type
• CABLE 25' (7.6 m) long, 0.13" (3.2 mm) diameter, 2-conductor, shielded, with TA3F and XLRM-type connectors
• ACCESSORY FURNISHED Soft protective pouch