| Specifications |
WB98H/C Microphone
(with standard test circuit shown in User Guide Figure 1) |
BETA 98H/C Microphone (with
preamplifier) |
| Type |
Condenser (electret bias) |
| Polar Pattern |
Unidirectional (cardioid) |
| Frequency Response |
20 to 20,000 Hz
 |
| Output Impedance |
1200 ohms |
Rated at 150.0 ohms (actual)
Recommended minimum load impedance: 1 kilohm.
May be used with loads as low as 150 ohms with reduced 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 kilohm load: 11 dBV (3.5 V)
1.0 kilohm load: 3 dBV (1.4 V) |
| Maximum SPL |
143.5 dB |
2.5 kilohm load: 163 dB 1.0
kilohm load: 155 dB |
| Dynamic Range (maximum SPL to
A-weighted noise level) |
112.5 dB |
132 dB (2.5 kilohm load) |
| Signal-to-noise ratio |
63 dB
at 94 dB SPL (IEC 651) |
| Polarity |
Positive pressure on microphone
diaphragm produces positive voltage on pins 3 and 4 with respect to
pin 1 (ground). |
Positive pressure on microphone
diaphragm produces positive voltage on pin 2 relative to pin 3 of
preamplifier output connector. |
| Recommended Operating Voltage |
5 V (pin 2 to pins 3 and 4) |
11 to 52 Vdc Phantom |
| Environmental Conditions |
Operating
temperatures: -7 degrees C to 49 degrees C (20 degrees F to 120
degrees F)
Storage temperatures: 29 degrees C to +74 degrees C (-20 degrees F
to 165 degrees F)
Relative Humidity: 0 to 95% |
| Net Weight |
Microphone w/cable and
mini-connector (TA4F): 65 g (2.3 oz.) |
Microphone w/cable and
preamplifier: 156 g (5.5 oz.) |
