SHURE CVG18RS-B/C ไมค์ประชุม (ก้านไมค์ยาว 18 นิ้ว )
CVG12/18 is a professional gooseneck electret condenser microphone for use in general installed sound reinforcement applications. Designed with dual gooseneck sections for full articulation, the CVG12/18 provides scalable, best-in-class performance in a wide variety of locations, including podiums and desktops.
FEATURE
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Cardioid polar pattern with tailored response for speech
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Dual-section gooseneck enables ease of positioning and placement options
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Available in 12” (30.4 cm) and 18” (45.7 cm) gooseneck lengths
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Black color
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Included Flange Mount and available snap-fit windscreens (ACVG4WS-B – 4 pack)
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Superior Shure design and rugged, dependable construction
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Standard and desktop base* gooseneck options with attached inline pre-amplifier (*XLR Desktop base CVD-B available as optional accessory)
Available in three configurations:
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With Inline Preamp (CVG12 / CVG18)
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With Mute switch/LED, Inline Preamp (CVG12S / CVG18S)
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With Light-ring, Mute Switch, Inline Preamp (CVG12RS / CVG18RS)
Commshiel interference immunity
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Guards against unwanted RF Interference from portable wireless devices (smartphones, etc.)
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High resistance to intense nearby radio signals
Specifications:
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Output Impedance : 180 Ω
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Sensitivity (at 1 kHz , open circuit voltage) : –33 dBV/Pa[1] (22 mV)
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Maximum SPL (1 kHz at 1% THD) : 120 dB SPL
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Signal to Noise Ratio(referenced at 94 dB SPL) : 67 dB
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Dynamic Range : 93 dB
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Common Mode Rejection (10 Hz to 100 kHz) : >45 dB
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Preamplifier Output Clipping Level (1% THD) : -7 dBV
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Polarity : Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
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Power Requirements : 11–52 V DC[4], 2.0 mA
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Environmental Requirements : Operating Temperature Range : -18° C to 57° C (0° F to 135° F)
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Relative Humidity : 0 to 95%