Cardioid boundary microphone WB-100
Model WB-100
Overview
The WB-100 is a cardioid boundary condenser microphone designed to be placed on flat surfaces such as conference tables or lecterns, delivering clear and controlled voice pickup.
Its wide frequency response and high sensitivity produce professional-quality sound in sound reinforcement, recording, and broadcast applications.
The advanced RF shielding and robust construction make it suitable for environments with a high density of mobile devices and wireless systems.
Technical specifications
Type
Wired boundary (surface) condenser microphone
Capsule Type
Fixed-charge backplate condenser (permanently polarized)
Polar Pattern
Semi-cardioid unidirectional (approx. 120° pickup angle)
Frequency Response
50 Hz – 17 kHz (EN datasheet) / 55 Hz – 18 kHz (distributor spec, typical wide range)
High-Pass Filter
80 Hz, 18 dB/octave
Sensitivity
-36 dB (≈ 15 mV/Pa, 1 kHz @ 1 Pa)
Output Impedance
200 Ω (balanced, low impedance)
Signal-to-Noise Ratio
≥ 68 dB (1 kHz @ 1 Pa, A-weighted)
Phantom Power
DC 24–52 V (some specs indicate 11–52 V; compatible with standard phantom)
Current Consumption
≈ 5 mA (typical)
Maximum SPL
Suitable for tabletop voice reinforcement and recording; designed for demanding conference and broadcast applications
Switch
Ultra-quiet electronic switch, programmable in 4 modes: push-to-talk, push-to-mute, hold-to-talk, hold-to-mute
Indicator
LED indicator controlled internally or via external control
External Control
External control input for integrating the pushbutton with a central controller or other devices (microphone and equipment control)
RF Shielding
High RF immunity; protection against interference from mobile phones and other wireless devices
Housing Material
Galvanized zinc alloy
Base
Non-slip rubber base to prevent movement and reduce vibration transmission
Output Connector
3-pin balanced XLR (via fixed cable or connector, depending on version)
Dimensions
≈ 110 × 110 × 18 mm (W × D × H)
Weight
≈ 300 g
Applications
High-quality sound reinforcement, professional recording, television, conference rooms, universities, meeting rooms, and broadcast spaces
Key features
- Semi-cardioid condenser capsule with a wide response (approx. 50/55 Hz to 17–18 kHz) for natural voice and near-field pickup.
- 80 Hz high-pass filter at 18 dB/octave to reduce low-frequency noise and tabletop vibrations.
- Ultra-quiet electronic switch with four configurable modes and an LED integrable with external or central control.
- 24–52 V phantom power and a low 200 Ω output impedance, compatible with most professional consoles and DSPs.
- Galvanized zinc alloy housing with a non-slip rubber base and excellent RF protection against mobile phone interference.
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