Shure PG81 Cardioid Condenser Instrument Microphone
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→ Microphone Type: Condenser (electret bias)
→ Polar Pattern: Cardioid (unidirectional), symmetrical about axis
→ Frequency Response: 40 to 18,000 Hz
→ Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of microphone output connector
→ Output Impedance (at 1000 Hz): 600 ohms
→ Sensitivity (at 1000 Hz): -48 dBV/Pa, (4.0 mV), 1 Pascal = 94 dB SPL
→ Electromagnetic Hum Sensitivity: -7 dB equivalent SPL in a 1 millioersted field (60 Hz)
→ Recommended Input Load Impedance: 800 ohms minimum
→ Output Clipping Level (1 kHz, 1 % THD): 2000 ohm load; 13 dBV (0.22 V) (phantom); -17 dBV (0.14 V) (battery
→ Maximum SPL: 2000 ohm load= 131 dB (phantom), 127 dB (battery)
→ Self-Noise (Equivalent SPL): 20 dB typical, A-weighted
→ Dynamic Range (maximum SPL, 2k ohm load, to A-weighted noise level): 111 dB (phantom); 107 dB (battery)
→ Signal-to-Noise Ratio: 68 dB (IEC 651)* at 94 dB SPL
→ Power: Phantom Power
→ Supply Voltage: 11 to 52 Vdc
→ Current Drain: 2.0 mA max at 52 Vdc
→ Maximum Exteral Voltage Applied to Pins 2 and 3 with respect to Pin 1: +52 Vdc
→ Reverse polarity protected to: 100 Vdc
→ Battery Power Recommended: 1.5 V alkaline AA size (NEDA 15A)
→ Life: up to 10,000 hour
→ Switch:Built-in On/Off switch
→ Case: Steel and brass construction with black painted finish
→ Environmental Conditions: This microphone operates over a temperature range of -29 to 57 degrees Celsius (-20 to 135 degrees Fahrenheit), and at a relative humidity of 0 to 95%
→ Electromagnetic Hum Sensitivity: -7 dB equivalent SPL in a 1 millioersted field (60 Hz)
→ Weight: Net= 250 g (8.8 oz) less battery; Packaged= 880 g (1 lb 15 oz)
→ Flat frequency response is wide and uniform. Consistent sensitivity through frequency range
→ Cardioid polar pattern picks up the most sound from in front of the microphone and some sound from the sides
→ Less susceptible to feedback in high volume settings
→ Condenser cartridge has a lightweight, sensitive diaphragm. Precisely and smoothly captures sound nuances
→ Powered by AA battery or phantom power supply
→ Internal shock mount for reduced handling noise
→ Durable metal construction
→ On/off switch for onstage control
The Shure Cardioid Condenser Instrument Microphone PG-81 is a professional quality flat-response microphone designed to be used in sensitive acoustic instrument applications. With rugged durability and excellent sound, this PG 81 versatile microphone comes with an on/off switch, swivel adapter, carrying pouch and choice of with XLR cable, or without. Phantom power or included AA battery required.
