DPA 4018A d:dicate Supercardioid Microphone
Designed fora broad range of long-distance broadcast, ENG and film miking applications,such as booming, dialogue, interview and table or podium use, the d:dicate 4018Supercardioid Microphone offers superb flexibility through modular accessories.
Key Features
- Low noiseand high sensitivity
- Highlydirectional for high isolation
- Mostcontrolled supercardioid shape
- Uniform,frequency independent directionality
- Modularflexibility
TechnicalSpecifications
Directional pattern
Supercardioid
Principle of operation
Pressuregradient
Cartridge type
Pre-polarizedcondenser
Frequency range
20 Hz – 20kHz
Frequency range, +/-2 dB, at 30 cm (11.8in)
40 Hz – 18kHz
Sensitivity, nominal, +/-2 dB at 1 kHz
12 mV/Pa;-38.4 dB re. 1 V/Pa
Equivalent noise level, A-weighted
Typ. 16dB(A) re. 20 uPa (max. 19 dB(A))
Equivalent noise level, ITU-R BS.468-4
Typ. 23 dB(correct with the attenuator in 0 dB or -20 dB setting)
S/N ratio (A-weighted), re. 1 kHz at 1 Pa(94 dB SPL)
Typ. 78dB(A)
Total harmonic distortion (THD)
<1% upto 137 dB SPL peak
Dynamic range
Typ. 121 dB
Max. SPL, peak before clipping
156 dB
Switchable attenuator, filters etc.
0 dB / -20dB
Output impedance
200 OHM
Minimum load impedance
2 kOHM
Cable drive capability
100 m (328ft)
Output balance principle
Impedancebalancing with Active Drive
Common mode rejection ratio (CMRR)
> 60 dB
Power supply (for full performance)
48 V Phantompower (+/- 4 V)
Current consumption
2.8 mA
Connector
XLR-3M. Pin1: shield, Pin 2: signal + phase, Pin 3: – phase
Weight
158 g (5.6oz)
Microphone diameter
19 mm (0.75in)
Capsule diameter
19 mm (0.75in)
Microphone length
170 mm (6.7in)
Maximum output voltage, RMS
8 V
Polarity
+V at pin 2for positive sound pressure
Temperature range
-40 deg C to45 deg C (-40 deg F to 113 deg F)
Relative humidity (RH)
Up to 90%
Matching tolerance (frequency response andsensitivity)
+/-1 dB
Phase deviation for kit
<10 deg
