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6
SPECIFICATIONS WB98H/C Microphone (with standard test cir-
cuit shown in Figure 1)
BETA 98H/C Microphone (with preamplifier)
Type Condenser (electret bias)
Polar Pattern Unidirectional (cardioid). See Figure 2.
Frequency Response 20 to 20,000 Hz. See Figure 3.
Output Impedance 1200 W Rated at 150.0 W (actual)
Recommended minimum load
impedance: 1 kW
May be used with loads as low as 150 W with re-
duced clipping level)
Output Level
(0 dB = 1 volt per Pascal)
Open Circuit Voltage: –56.5 dB (1.5 mV) Open Circuit Voltage: -56 dB (1.6 mV)
Output Clipping Level
(at 1kHz, THD < 1%)
-9 dBV (0.35 V) 2.5 kW load 11 dBV (3.5 V). . . . . . . . . . . . . . . .
1.0 kW load 3 dBV (1.4 V). . . . . . . . . . . . . . . . .
Maximum SPL 143.5 dB 2.5 kW load 163 dB. . . . . . . . . . . . . . . . . . . . . . .
1.0 kW load 155 dB. . . . . . . . . . . . . . . . . . . . . . .