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ENGLISH
7
SPECIFICATIONS
(measured with a standard test circuit, see Figure 9 on page 33).
500
1,000
2,000
5,000
10,000 20,000
50
100
200
20
0
+10
–10
–20
–40
+20
Mild Boost Equalization Cap
High Boost Equalization Cap
FREQUENCY IN Hz
RELA
TIVE RESPONSE IN dB
TYPICAL FREQUENCY RESPONSE
FIGURE 8
Type
Condenser (electret bias)
Frequency Response
20 to 20,000 Hz (see Figure 8)
Polar Pattern
Omnidirectional
Recommended Minimum
Input Impedance
20 k
Output Level
Open Circuit Voltage
-55 dBV/Pa
1 Pascal = 94 dB SPL
Maximum Sound Pressure Level
143 dB at 1% THD/1 k
load
Dynamic Range
103 dB
Output Noise
(equivalent SPL, A-weighted)
40 dB typical; 43 dB maximum
Signal-to-Noise Ratio
54 dB at 94 dB SPL
Current Drain
60–130
A
Polarity
Positive pressure on the diaphragm
produces a positive voltage at pin 3
relative to pin 1 at the output connec-
tor of the microphone.
Power Requirements
+5 Vdc on pin 2, return on pin 1
(ground)
Environmental Conditions
Operating Temperatures:
-18
to 57
C (0
to 135
F)
Storage Temperatures:
-29
to 74
C (-20
to 165
F)
Humidity: 0 to 95%
Cable
1.5 m (5 ft), small-diameter, shield-
ed, with connector (Switchcraft type
TA4F), or 3 m (10 ft.) small-diameter,
shielded, no connector.
Net Weight
35.35 g (1.25 oz.) with cable and
TA4F connector.