U891RX

Designed for surface-mount applications such as high-quality sound reinforcement, professional recording, television, conferencing and other demanding sound pickup situations
An activation switch can be set to any of three operating modes: “touch-on/ touch-off,” “touch-to-talk” and “touch-to-mute”
PivotPoint® rotating output connector allows cable to exit from either the rear or the bottom of the microphone

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Cardioid Condenser Boundary Microphone with Switch ยี่ห้อ Audio-Technica รุ่น U891RX

This product has been discontinued. Please see the U891Rb. Designed to deliver easy, flexible control in conference and boardroom installations, the versatile U891R cardioid condenser boundary microphone features an activation switch that can be set to three modes: press-on/press-off, press to talk, and press to mute. The phantom-powered microphone is equipped with a unique PivotPoint® rotating output connector and an LED status indicator. UniGuard® innovations offer unsurpassed immunity from radio frequency interference; interchangeable elements are available in cardioid, hypercardioid and omnidirectional polar patterns; an 80 Hz low-cut UniSteep® filter reduces pickup of low-frequency ambient noise. The microphone’s heavy die-cast case and silicon foam bottom pads minimize coupling of surface vibration to the microphone. The unit’s self-contained electronics eliminate the need for an external power module.

Features

Designed for surface-mount applications such as high-quality sound reinforcement, professional recording, television, conferencing and other demanding sound pickup situations
An activation switch can be set to any of three operating modes: “touch-on/ touch-off,” “touch-to-talk” and “touch-to-mute”
PivotPoint® rotating output connector allows cable to exit from either the rear or the bottom of the microphone
Superior off-axis rejection for maximum gain before feedback
UniGuard® RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)
Small-diameter UniPoint® capsule near boundary eliminates phase distortion and delivers clear, high-output performance
Heavy die-cast case and non-slip silicone foam bottom pads minimize coupling of surface vibration to the microphone
Low-profile design with low-reflectance finish for minimum visibility
Improved switch design
Available in two colors: black (U891Rx) and white (U891RWx)

Specifications

Microphones
Element	Fixed-charge back plate, permanently polarized condenser
Polar Pattern	Half-cardioid (cardioid in hemisphere above mounting surface)
Frequency Response	30-20,000 Hz
Low Frequency Roll Off	80 Hz, 18 dB/octave
Open Circuit Sensitivity	–34 dB (19.9 mV) re 1V at 1 Pa
Maximum Input Sound Level	130 dB SPL, 1 kHz at 1% T.H.D.
Dynamic Range	104 dB, 1 kHz at Max SPL
Signal-to-Noise Ratio	68 dB, 1 kHz at 1 Pa
Phantom Power Requirements	11-52V DC, 4 mA typical
Switches	Activation: on/off; Switch function: press on/off, momentary on, momentary off; Flat, roll-off
Weight	264 g (9.3 oz)
Cable	7.6 m (25.0′) long, 3.2 mm (0.13″) diameter, 2-conductor, shielded cable with TA3F-type and XLRM-type connectors
Dimensions	108.0 mm (4.25″) maximum length, 84.0 mm (3.31″) maximum width, 23.0 mm (0.91″) maximum height
Output Connector	TB3M-type
Optional Interchangeable Elements	UE-O omnidirectional (360°) UE-H hypercardioid (100°)
Accessories Included	Soft protective pouch