WL93

• Subminiature lavalier design; ideal size for theater, television, broadcasting, video, film, and sound reinforcement
• Small, inconspicuous mounting hardware
• Full, clear sound comparable to larger microphones
• Smooth extended frequency response with presence rise specially tailored for chest-worn microphone operation
• Controlled low-frequency rolloff reduces low-frequency clothing and room noise

• Low distortion, wide dynamic range
• Uniform omnidirectional polar pattern
• Preamplifier assembly (SM93) can be pocketed, strapped to the body, or clipped to belt or waistband
• Wide-range phantom powering (SM93) accepts all commonly used voltages

Specs:
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 g (0.57 oz)