AT891R

Features

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

Microphones
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
Maximum Input Sound Level	123 dB SPL, 1 kHz at 1% T.H.D.
Dynamic Range	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)
Cable	25' (7.6 m) long, 0.13" (3.2 mm) diameter, 2-conductor, shielded, with TA3F and XLRM-type connectors
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
Accessories Included	Soft protective pouch

AT891R Specification Sheet