Audio-Technica U891Rb Microphone
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Best for
- Studio recordingMusic and voice tracking in a treated room: condensers, interface, monitors and headphones.
- Music performanceCapturing a live room or a stage: instrument and drum mics, stereo pairs, multitrack recording.
- Conference room AVMeeting-room installs: ceiling and table mics, PTZ, DSP and USB to the room PC.
- Education and lecture captureClassroom and lecture-hall recording: PTZ, encoder, overhead mounts and simple one-button control.
- Corporate and trainingTestimonials, all-hands and internal training: neutral lighting, discreet lavs, reliable streams.
Overview
Product description from Audio-Technica
Designed to deliver easy, flexible control in conference and boardroom installations, the versatile U891Rb condenser boundary microphone features a touch-sensitive capacitive-type user switch that can be set to three modes: touch on/off, touch to talk, and touch to mute. The phantom-powered microphone is equipped with a unique PivotPoint® rotating output connector and a two-state RGB LED status indicator. UniGuard® innovations offer unsurpassed immunity from radio frequency interference; additional interchangeable elements are available separately in omnidirectional (360°), cardioid (120°), and hypercardioid (100°) 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, while threaded inserts on the bottom of the microphone allow it to be mounted with screws for increased security. The unit’s self-contained electronics eliminate the need for an external power module.
Highlights
- Designed for surface-mount applications such as high-quality sound reinforcement, professional recording, television, conferencing and other demanding sound pickup situations
- The capacitive touch switch can be set to any of three operating modes: touch on/off, touch to talk and touch to mute
- Integral, phantom-powered, two-state RGB LED indicator displays on/off status of microphone
- Superior off-axis rejection for maximum gain before feedback
- PivotPoint® rotating output connector allows cable to exit from either the rear or the bottom of the microphone
- Small-diameter UniPoint® element near boundary eliminates phase distortion and delivers clear, high-output performance
- Available interchangeable elements permit angle of acceptance from 100° to 360°
- UniGuard® RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)
- Self-contained electronics eliminate need for external power module
- 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
- Threaded inserts on bottom of microphone allow it to be mounted with screws for increased security
Key specs
- Frequency response
- 20-20,000 Hz
- Weight
- 253 g
- Dimensions
- 0.91" (23.0 mm) H x 3.30" (83.9 mm) W x 4.25" (108.0 mm) D
- Pack
- Single Mic
Compare with similar
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This product
Audio-Technica U891Rb MicrophonePrice on request
| ||||
|---|---|---|---|---|
| Frequency response | 20-20,000 Hz | 20-20,000 Hz | 20-20,000 Hz | 20-20,000 Hz |
| Weight | 253 g | 12.1 oz | 12.1 oz | 403 g |
| Dimensions | 0.91" (23.0 mm) H x 3.30" (83.9 mm) W x 4.25" (108.0 mm) D | 6.38" (162.0 mm) long, 2.05" (52.0 mm) maximum body diameter | 6.38" (162.0 mm) long, 2.05" (52.0 mm) maximum body diameter | 170.0 mm (6.69") long, 52.0 mm (2.05") maximum body diameter |
| Pack | Single Mic | —Not listed | —Not listed | —Not listed |
Full specifications
| Accessories Included | Soft protective pouch |
|---|---|
| Cable | 25.0' (7.6 m) long, 0.13" (3.2 mm) diameter, 2-conductor, shielded cable with TA3F and XLRM connectors |
| Dimensions | 0.91" (23.0 mm) H x 3.30" (83.9 mm) W x 4.25" (108.0 mm) D |
| Dynamic Range | 104 dB, 1 kHz at Max SPL |
| Element | Fixed-charge back plate, permanently polarized condenser |
| Frequency Response | 20-20,000 Hz |
| Optional Interchangeable Elements | UE-C Cardioid (120°); UE-H hypercardioid (100°); UE-O omnidirectional (360°) |
| Low Frequency Roll Off | 80 Hz, 18 dB/octave |
| Maximum Input Sound Level | 130 dB SPL, 1 kHz at 1% T.H.D. |
|---|---|
| Open Circuit Sensitivity | -34 dB (19.9 mV) re 1V at 1 Pa |
| Output Connector | Microphone: TB3M-type Cable: 3-pin XLRM-type |
| Phantom Power Requirements | 11-52V DC, 9.3 mA |
| Signal-to-Noise Ratio | 68 dB, 1 kHz at 1 Pa, A-weighted |
| Switches | Activation: on/off Switch function: touch on/off, momentary on, momentary off LED Color: mic on, mic off Flat, roll-off |
| Weight | 253 g (8.9 oz) |
| Pack | Single Mic |
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