Reference Standard, Omni Microphone
The 4006A Omnidirectional Microphone is linear and true in character. It has earned its status as a worldwide recording standard and is the most popular mic in our d:dicate series.
This highly sought after mic has forged its enviable reputation over the past quarter of a century by repeatedly exhibiting its total transparency in any recording situation.
The microphone capsule
The MMC4006 Omnidirectional Microphone Capsule offers total transparency in any recording situation. It picks up incredible detail and depth of sound. The definition of its high-frequency characteristics across a wide range of instruments is impressive. It offers natural sound, high sensitivity, low noise-floor and extremely linear frequency response from 10 to 20 kHz (±2 dB).
The d:dicate 4006A Omnidirectional Microphone is a flexible solution. Engineers, broadcasters and musicians alike can achieve clean, natural and precise sound reproduction. This mic is ideal for A-B stereo pairs for symphonic concert hall recordings. It also excels on vocals, for close-miking all types of instruments and as an outdoor interview microphone.
A selection of accessories is available, including acoustic pressure equalizers, a nose cone and interchangeable protection grids. These accessories can acoustically transform the mic. By changing grids, it is possible to gain several unique frequency responses and directional characteristics from the mic. Furthermore, these accessories will not produce any phase shift, noise or distortion that would otherwise be introduced by an electrical filter.
A truly flexible range
The d:dicate 4006A Omnidirectional Microphone is part of the flexible d:dicate Microphones Series. It combines the MMC4006 Omnidirectional Capsule with the MMP-A preamplifier. This combination is for the true audiophile. It offers low distortion and totally accurate and faithful sound.
Another option, the d:dicate 4006C Omnidirectional Microphone, Compact offers a subtle character alteration with a bit more "body" to the low end than the d:dicate 4006A Omnidirectional Microphone. The MMC4006C is also easier to position due to its smaller size.
At any time, and with no tools needed, it is possible to transform the d:dicate 4006A Omnidirectional Microphone into a new configuration. You can combine it with another d:dicate or d:facto Microphone Capsule or Preamplifier.
The d:dicate 4006A Omnidirectional Microphone is available as a sensitivity-selected stereo pair ST4006A and surround kits 5006-11A and 5006A.
Principle of operation: Pressure
Cartridge type: Pre-polarized condenser
Frequency range: 10 Hz - 20 kHz
Frequency range, ± 2 dB: 10 Hz - 20 kHz
Sensitivity, nominal, ± 2 dB at 250 Hz: 40 mV/Pa; -28 dB re. 1 V/Pa
Equivalent noise level, A-weighted: Typ. 15 dB(A) re. 20 µPa (max. 17 dB(A))
Equivalent noise level, A-weighted: Typ. 27 dB (max. 29 dB)
S/N ratio (A-weighted), re. 1 kHz at 1 Pa (94 dB SPL): Typ. 79 dB(A)
Total Harmonic Distortion (THD): < 1 % up to 139 dB SPL peak
Dynamic range: Typ. 124 dB
Max. SPL, peak before clipping: 146 dB
Switchable attenuator, filters etc.: 0 dB / -20 dB
Output impedance: 200
Minimum load impedance: 2 k
Cable drive capability: 100 m (328 ft)
Output balance principle: Impedance balancing with Active Drive
Common Mode Rejection Ratio (CMRR): > 60 dB
Power supply: 48 V Phantom power (± 4 V)
Current consumption: 2.8 mA
Current consumption: Omnidirectional
Pin 1: shieldPin 2: signal + phasePin 3: - phase
Color: Matte black
Weight: 163 g (5.7 oz)
Microphone diameter: 16 - 19 mm (0.6 - 0.75 in)
Capsule diameter: 16 mm (0.6 in)
Microphone length: 170 mm (6.7 in)
Output voltage, RMS: 8 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): ± 0.5 dB
Phase deviation for kit: < 5°
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