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