d:dicate™ Recording Microphones 4018ER/ES SUPERCARDIOID MICROPHONE
Directional pattern: Supercardioid
Principle of operation: Pressure gradient
Cartridge type: Pre-polarized condenser
Frequency range: 20 Hz - 20 kHz
Frequency range, ±2 dB, at 30 cm (11.8 in): 40 Hz - 18 kHz
Sensitivity, nominal, ±2 dB at 1 kHz: 12 mV/Pa; -38.4 dB re. 1 V/Pa
Equivalent noise level, A-weighted: Typ. 16 dB(A) re. 20 µPa (max. 19 dB(A))
Equivalent noise level, ITU-R BS.468-4: Typ. 23 dB
S/N ratio (A-weighted), re. 1 kHz at 1 Pa (94 dB SPL): Typ. 78 dB(A)
Total harmonic distortion (THD): < 1% up to 137 dB SPL peak
Dynamic range: Typ. 121 dB
Max. SPL, peak before clipping: 142 dB
Output impedance: 100 Ω
Minimum load impedance: 2 kΩ
Cable drive capability: 100 m (328 ft)
Output balance principle: Impedance balancing
Common mode rejection ratio (CMRR): > 40 dB
Power supply (for full performance): 48 V Phantom power (± 4 V)
Current consumption: 3.5 mA
Connector: XLR-3M. Pin 1: shield, Pin 2: signal + phase, Pin 3: - phase
Color: Matte black
Weight: 109 g (3.8 oz)
Microphone diameter: 19 mm (0.75 in)
Capsule diameter: 19 mm (0.75 in)
Microphone length: 35 mm (1.38 in)
Maximum output voltage, RMS: 2.2 V
Polarity: +V at pin 2 for positive sound pressure
Temperature range: -40°C to 45°C (-40°F to 113°F)
Relative humidity (RH): Up to 90%
Matching tolerance (frequency response and sensitivity): ±1 dB
Phase deviation for kit: < 10°
