User Guide
Install Gooseneck
Dynamic Microphone
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2007, SUPERLUX I
LB100053801EN (Rev. 1)
nc.
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Specifications
Heavy duty gooseneck
Type
Polar pattern
100 to 15,000 Hz (Figure 2)
Frequency response
Sensitivity
(at 1,000 Hz Open Circuit Voltage)
-58dBV/Pa (1.26mV/Pa)
1Pa=94dB SPL.
3dB
500
Ω
Rated impedance
500
Ω
Minimum load impedance
Unidirectional (Super Cardioid), rotationally symmetrical about
microphone axis, uniform with frequency. (Figure 1).
The PRA538 operates between -10
℃
to +50
℃
(14
℉
to 122
℉
) with
relative humidity between 0 to 95%.
Environmental conditions
striped wire connection,color coded.
Connector
metal structure,matte black painting.
Finish
Dimensions
Net weight
150g (5.29oz.)
PRA538S
32.0mm(1.26in.) X 400.0mm(15.75in.)
PRA538M
32.0mm(1.26in.) X 580.0mm(22.83in.)Figure 3
PRA
538
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TYPICAL SUPERCARDIOID POLAR PATTERN (Figure 1)
TYPICAL FREQUENCY RESPONSE (Figure 2)
2000 Hz
4000 Hz
8000 Hz
250 Hz
500 Hz
1000 Hz
FREQUENCY IN Hz
Fre quency Response
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IV
E
R
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S
P
O
N
S
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d
B
dB
10
-10
-20
20
50
100
200
500
1000
2000
5000
10000
20000 Hz
0
!
Tailored frequency response to increase the intangibility of audio
reinforcement or recordings.
!
Super cardioids increase gain before feedback.
!
Matte black coating with sturdy structure.
!
2 lengths to choise: 12" (PRA538S) or 19" (PRA538M).
!
Additional S suffix indicates a muting on/off switch is integrated.
(PRA538SS, PRA538MS).
!
PRA538MS/P incorporating a PTT (push-to-talk) function that can
remote control other devices. A GT2C is included.
!
Tinned striped wires for installation convenience. Balanced signal,
please refer to wiring diagram for connection indications.
Features
Dimensi ons
(f igur e 3)
The PRA538 series gooseneck microphones are super cardioid, dynamic
type capsule integrated with internal shock mount to reduce handling noise.
Tailored frequency response is very suitable for human voices applications
such as speech, announcement in public transportation systems and
gathering venues.
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