Audio Technica
U891RCb
Cardioid Condenser Boundary Microphone with Local or Remote Switching
- Cardioid condenser boundary microphone with touch-sensitive capacitive-type user switch
- Designed for surface-mount applications such as high-quality sound reinforcement, professional recording, television, conferencing and other demanding sound pickup situations
- Logic I/O capability permits control of remote devices from the microphones touch-sensitive capacitive-type user switch
- 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, which can be controlled locally or remotely, 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
| Microphones | |
|---|---|
| Element | Fixed-charge back plate, permanently polarized condenser |
| Polar Pattern | Cardioid |
| Frequency Response | 20-20,000 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, A-weighted |
| Phantom Power Requirements | 11-52V DC, 9.3 mA |
| Switches | Activation: on/off Switch function: touch on/off, momentary on, momentary off Control: local, remote, LED remote LED Color: mic on, mic off Flat, roll-off |
| Weight | 253 g (8.9 oz) |
| Cable | 25.0' (7.6 m) long, 0.13" (3.2 mm) diameter, 5-conductor shielded cable (2 conductors under shield; 3 control wires outside shield); TA5F-type connector at microphone end, output end stripped and tinned for connection to electronic device |
| Dimensions | 0.91" (23.0 mm) H x 3.30" (83.9 mm) W x 4.25" (108.0 mm) D |
| Output Connector | Microphone: TB3M-type Cable: Unterminated |
| Optional Interchangeable Elements | UE-H hypercardioid (100°) UE-O omnidirectional (360°) |
| Accessories Included | Soft protective pouch |
- Cardioid condenser boundary microphone with touch-sensitive capacitive-type user switch
- Designed for surface-mount applications such as high-quality sound reinforcement, professional recording, television, conferencing and other demanding sound pickup situations
- Logic I/O capability permits control of remote devices from the microphones touch-sensitive capacitive-type user switch
- 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, which can be controlled locally or remotely, 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
| Microphones | |
|---|---|
| Element | Fixed-charge back plate, permanently polarized condenser |
| Polar Pattern | Cardioid |
| Frequency Response | 20-20,000 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, A-weighted |
| Phantom Power Requirements | 11-52V DC, 9.3 mA |
| Switches | Activation: on/off Switch function: touch on/off, momentary on, momentary off Control: local, remote, LED remote LED Color: mic on, mic off Flat, roll-off |
| Weight | 253 g (8.9 oz) |
| Cable | 25.0' (7.6 m) long, 0.13" (3.2 mm) diameter, 5-conductor shielded cable (2 conductors under shield; 3 control wires outside shield); TA5F-type connector at microphone end, output end stripped and tinned for connection to electronic device |
| Dimensions | 0.91" (23.0 mm) H x 3.30" (83.9 mm) W x 4.25" (108.0 mm) D |
| Output Connector | Microphone: TB3M-type Cable: Unterminated |
| Optional Interchangeable Elements | UE-H hypercardioid (100°) UE-O omnidirectional (360°) |
| Accessories Included | Soft protective pouch |
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