WM 203

Primary use:

Polar patterns:

Common name: Microtech Gefell WM 203

Production Status: In production

The WM 203 is a weather proofed measuring microphone for outside use under gentle weather conditions (drizzle, light wind, fog etc.) within a temporary limit of 24 hours. It consists of the 1/2″ condenser measuring microphone capsule MKS 231, the 1/2″ measuring microphone preamplifier MV 203, the dehumidifier TA 202 and the weather shield WS 1. The WM 203 can be connected directly to measuring systems with 7-pol. LEMO connector. The preamplifier is equipped with a heater resistor preventing a possible condensation under extremely climatic conditions. The measuring microphone can be calibrated with the Pistonphone type 5002 or other current sound pressure calibrators. Includes 2 m cable, 7-pin, LEMO-plug, dehumidifier adapter TA 202, weather shield WS 1, windscreen W 100 and Peli case.

Electrical Characteristics

Frequency Response
3.5Hz - 20 kHz
Output Sensitivity
50 mV/Pa
Max SPL
146
Max SPL, THD:
3
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
16 dB-A
Output Impedance
80Ω
Recommended Load
Powering
Proprietary unit
Supply Current
30 mA
Alternative Powering

Switchable Options

Pad
Filter/EQ

Physical Characteristics

Connector
Connector notes
Available Colours
Satin nickel.
Weight
702 g
Length
363 mm
Min diameter width
Max diameter
70 mm
Depth

Accessories

Included
2 m cable, 7-pin, LEMO-plug, dehumidifier adapter TA 202, weather shield WS 1, windscreen W 100 and Peli case.
Optional