SHURE PG81-LC ไมโครโฟน Condenser Microphone
The Shure PG81-LC is a sensitive, flat-response condenser microphone ideal for miking acoustic instruments. Includes a microphone clip, 5/8"–3/8" thread adapter, and a storage bag.
Features
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Wide, uniform,and flat
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frequency response
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Cardioid polar pattern
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Resists feedback in high volume settings
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Condenser cartridge has a lightweight, sensitive diaphragm
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Powered by AA battery or phantom power Internal shock mount
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Durable metal construction.
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On/off switch
Specifications:
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Microphone Type: Condenser (electret bias)
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Polar Pattern: Cardioid (unidirectional), symmetrical about axis
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Frequency Response: 40Hz–18kHz
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Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of microphone output connector
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Output Impedance (at 1kHz): 600 ohms
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Sensitivity (at 1kHz): -48 dBV/Pa, (4.0 mV), 1 Pascal = 94 dB SPL
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Electromagnetic Hum Sensitivity: -7 dB equivalent SPL in a 1 millioersted field (60 Hz)
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Switch: Built-in On/Off switch
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Recommended Input Load Impedance: 800 ohms minimum
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Output Clipping Level (1 kHz, 1 % THD): : 2000 ohm load, 13 dBV (0.22 V) phantom, -17 dBV (0.14 V) battery
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Maximum SPL: 2000 ohm load: 131 dB (phantom), 127 dB (battery)
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Self-Noise (Equivalent SPL): 20 dB typical, A-weighted
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Dynamic Range (maximum SPL, 2k ohm load, to A-weighted noise level): 111 dB (phantom); 107 dB (battery)
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Signal-to-Noise Ratio: 68 dB (IEC 651)* at 94 dB SPL
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Power
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Phantom Power:
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Supply Voltage: 11 to 52 Vdc
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Current Drain: 2.0 mA max at 52 Vdc
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Maximum Exteral Voltage Applied to Pins 2 and 3 with respect to Pin 1: +52 Vdc
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Reverse polarity protected to: 100 Vdc
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Battery Power:
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Recommended: 1.5 V alkaline AA size (NEDA 15A)
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Life: up to 10,000 hours
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Connector: 3-pin professional audio connector (male XLR type)
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Case: Steel and brass construction with black painted finish
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Environmental Conditions: This microphone operates over a temperature range of -20–135° F (-29–57° C) and at a relative humidity of 0 to 95%
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Weight: 0.55 lb. (250 g) without battery
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