Shure PGA STUDIO MICROPHONE KIT User Manual page 6

PGA57
Type
Dynamic (moving coil)
Frequency Response
50 to 15,000 Hz
Polar Pattern
Cardioid
Output Impedance
150 Ω
Sensitivity
at 1 kHz, open circuit voltage
-56.5 dBV/Pa¹ (1.5 mV)
Polarity
Positive pressure on diaphragm produces positive voltage on pin 2 with
respect to pin 3
Weight
280 g (9.88oz.)
Connector
Three-pin professional audio (XLR), male
Environmental Conditions
Operating Temperature
Relative Humidity
1 Pa=94 dB SPL
Typical Frequency Response
Typical Polar Pattern
-20° to 165°F (-29° to 74°C)
0 to 95%
60 cm (2 ft.)
1000 Hz
PGA181
Type
Electret Condenser
Polar Pattern
Cardioid
Frequency Response
50 to 20,000 Hz
Output Impedance
at 1 kHz, open circuit voltage
120 Ω, actual
Sensitivity
at 1 kHz, open circuit voltage
-38 dBV/Pa [1] (12.7 mV)
Maximum SPL
1 kHz at 1% THD, 1 kΩ load
138 dB SPL
Polarity
Positive pressure on diaphragm produces positive voltage on pin 2 with
respect to pin 3
Connector
Three-pin professional audio (XLR), male
Weight
383 g (0.8 lbs)
Housing
Cast Zinc
Power Requirements
48 V DC phantom power (4 mA)
[1] 1 Pa=94 dB SPL
20
0,61 m (2 ft.) from sound source
15
10
5
0
-5
-10
-15
-20
-25
-30
20 100
Frequency Response
Polar Pattern
1k 10k
Hz
1,000 Hz
20k
7