Shure WL93 Omnidirectional Lavalier Clip-On Microphone
- Type: Condenser (electret bias)
- Frequency Response: 50 to 20,000 Hz
- Polar Pattern: Omnidirectional, uniform with frequency
- Output Impedance: 3000 ohms
- Output Level (1 Pascal = 94 dB SPL)
- Open Circuit Voltage: -38 dBV/Pa (13 mV)
- Output Clipping Level (at 1,000 Hz): 0.25 V at 120 dB
- Total Harmonic Distortion: Less than 1% at 120 dB
- Maximum SPL: 120 dB
- Dynamic Range (maximum SPL to A-weighted noise level): 102 dB
- Output Noise (equivalent SPL): 18 dB typical, A-weighted
- Signal-to-Noise Ratio: 76 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)*
*Produces positive voltage at pin 2 of Shure wireless receiver three-pin connector
Recommended Operating Voltage: 2 to 10 V; 5 V nominal (pin 2 to pins 3 and 4)
Current Drain: 40 microA typical
Environmental Conditions:
- Operating Temperatures: -18 to 57 degrees C (0 to 135 degrees F)
- Storage Temperatures: -29 to 74 degrees C (-20 to 165 degrees F)
Cable: Black 1.27 m (4.17 ft), attached, two-conductor, shielded, terminated by miniature connector type TA4F (WL93T: Tan 1.27 m [4.17 ft])
Case: Microphone: Black ABS thermoplastic case with stainless-steel-mesh grille
Net Weight: Microphone: 16 grams (0.57 oz)