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The black Shure CVB-B/C is a Centraverse Series cardioid boundary condenser microphone designed to provide an optimized-for-speech frequency response and discreet desktop installation for presenters and speakers in conference rooms, corporate events, houses of worship, and meetings. The low-profile microphone features CommShield technology to reject RF interference and an attached 12’ XLR cable for compatibility with most mic preamps.
The cardioid condenser element yields a frequency response of 70 Hz to 16 kHz, which naturally attenuates low frequencies that are often produced by vibration and rumble. It is powered by 11 to 52 VDC phantom power.
- Cardioid polar pattern cartridge
- CommShield technology guards against RF interference from portable wireless devices (smartphones, among others) and enables high resistance to nearby radio signals
- Attached 12\' XLR cable
- Frequency response is suitable for capturing fast transients in a wide variety of locations such as podiums and desktops
- Shure design and rugged, dependable construction
- Mounting holes for secure installation
- CE compliant
General
Output Connectors |
1 x 3-Pin XLR |
Cable Length |
12.0\' / 3.66 m |
Operating Current Consumption |
2 mA |
Operating Voltage |
11 to 52 V |
Operating Temperature |
0 to 135°F / -17.78 to 57.22°C |
Operating Humidity |
0 to 95% |
Length |
3.5" / 88.90 mm |
Weight |
8 oz / 227 g |
Sound Field |
Mono |
Operating Principle |
Pressure Gradient |
Transducer |
Electret Condenser |
Tube |
No |
Polar Pattern |
Cardioid |
Frequency Range |
70 Hz to 16 kHz |
Signal-to-Noise Ratio |
67 dB |
Equivalent Noise Level |
27 dB A-Weighted |
Maximum SPL |
120 dB SPL |
THD |
1% |
Impedance |
180 Ohms |
Sensitivity |
23 mV/Pa |
Dynamic Range |
93 dB |
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Designed for Broadcast, House of Worship, Pro Music, and other applications. Half-cardioid polar pattern Boundary layer Ultra-thin profile (16 mm) housing Rubber non-slip bottom pad and strong steel screen Integrated pop filter Case Material Die cast zinc Connector Type 3-pin XLR Element Back Electret Condenser Finish Non-reflecting Black Finish White Impedance, Low-Z balanced 200 Ω Mic Type Boundary Open Circuit Voltage 25 mV/Pascal Polar Pattern Cardioid Wired/Wireless Wired Height 16 mm (0.63“) Width 94 mm (3.7“) Depth 123 mm (4.84“) Weight Net 12.63 oz (358 g) |
Type of Transmitter UHF Frequency Agile
Input Connector Internal fitting for interchangeable capsules
Type of Microphone Electret Condenser Boundary Microphone
Polar Pattern Cardioid (Supplied)
Interchangeable Mic Heads Yes - R183B Omnidirectional, R184B Supercardioid and R185B Cardioid cartridges available
Frequency Response 50Hz to 17kHz
Battery Type/Approx. Life 9 Volt Alkaline - 7 hours based on alkaline battery
# Of Channels Over 100 channels between 692-862MHz, depending on locale
Mute Switch Programmable Touch-Sensitive Switch
Level Control Gain Adjustment Range: -6 to 34dBs
Antenna Type Internal
Display Microphone Status & Battery Life LEDs
Dimensions 3.625 x 1.8 x 5.17 (92 x 46 x 131mm) (WxHxD)
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Designed to deliver easy, flexible control in conference and boardroom installations, the versatile U891Rx cardioid condenser boundary microphone features a touch-sensitive on-off 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.
- 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
- Impedance: 200 ohms
- 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
- Weight: 264 g
- Dimensions: 108.0 mm long, 84.0 mm maximum width, 23.0 mm height
- Output Connector: TB3M-type
- Cable: 7.6 m long, 3.2 mm diameter, 2-conductor, shielded cable with TA3F and XLRM-type connectors
- Designed for surface-mount applications such as high-quality sound reinforcement, professional recording, television, conferencing and other demanding sound pickup situations
- Ultra-quiet electronic 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 silicon foam bottom pads minimize coupling of surface vibration to the microphone
- Low-profile design with low-reflectance finish for minimum visibility
- Available in two colors: black (U891Rx) and white (U891RWx)
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Condenser
Lightweight, sensitive diaphragm. Precisely and smoothly captures sound nuances. Powered by battery or phantom power supply.
Recommended Uses
Conference/Installed
Available Options
MX396C/DUAL Dual-Element 0-180 Degrees, Cardioid, back or bottom exit cable, mute output, LED input
MX396/TRI Dual-Element 90-0-90 mic, adjustable to 120-120-120 degrees, Cardioid, back or bottom exit cable, mute output, LED input
The Microflex® Multi-Element Boundary microphone delivers a unique and versatile tool for conference room installations.
Clean and simple in appearance, Multi-Element Boundary mics come in two or three element configurations, combining the coverage of multiple microphones into one small, compact package.
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MX393C - Condenser Boundary Microphone, Built-in Preamp, 12-ft Tini "QG" ? to XLR Cable, Programmable Switch and LED Indicator
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