DPA Microphones 4097 CORE+ Supercardioid Choir Microphone (Black)

4097 Supercardioid Choir Microphone

An inconspicuous floor stand solution specifically designed to capture the natural sound of a choir; the 4097 CORE+ is unlike any Choir Mic available on the market. Each part of the solution has been specifically designed and tested to ensure it meets the needs of a wide range of choir situations. As a supercardioid mic, the 4097 offers a highly directional pick-up pattern as well as low self noise and high sensitivity. Capable of handling extremely high SPLs allowing the mic to deliver undistorted natural sound, even when the choir sings loudly. Fitted with MicroLock, the mic provides even better stability and flexibility.

With a linear response, low distortion and an extremely large dynamic range, these mics sound great no matter how challenging the environment. In addition, singing into the side (off-axis) of the microphone doesn't make the audio sound worse; it just drops the level of the voice. This allows the engineer to use fewer mics and point the capsules at the last row of singers. The pick-up pattern will attenuate the sounds to the side and produce a natural balance between the nearest (loudest but attenuated) and the furthest (weakest level, but performing to the microphones most sensitive direction).

Extremely stable, yet unobtrusive construction

The 4097 has a more stable construction than any other dedicated choir mic on the market. The shorter active boom pole is very quick to stabilize if accidently bumped. The three built-in shock mounts - in the microphone capsule, the swivel joint and the floor base - combine to decrease rumble if bumps happen.

The unobtrusive, yet, balanced floor base contains an integrated shock mounting solution, which helps stabilize the entire construction. The vertical pole that attaches to the base consists of three individual pieces that can be used to adjust the total height of the system. Simple, yet secure thread screws hold the three pieces together. This unique design allows for a vertical pole that does not swing, but rapidly stabilizes itself after being positioned. A piece of the pole can quickly, with no tools needed, be removed to lower the unit.

A swivel joint with a built-in shock mount connects the vertical pole to the active boom pole and, together with the gooseneck at the top, allows full control over the microphone placement. The swivel joint controls the angle of the active boom pole as well as its position in relation to the vertical pole. The microphone capsule is positioned at the correct angle out of the box, so it can easily be positioned to sit above the choir at a 90° angle to the active boom pole. This ensures that the microphone itself does not interfere with view from the audience. The top gooseneck allows you to make small adjustments to control the specific direction of the microphone capsule.

The 4097 has a smaller, slimmer, more unobtrusive footprint, seen from the audience's point of view. Part of this is due to the elegant and exclusive looking black matte, non-reflective surface, which diminishes reflections from overhead lights.

Wireless for an even cleaner look

The 4097 can be used wireless making the entire look discreet. From the end of the 122 cm (84 in) active boom pole with the internal cable run there is a female MicroLock that attaches to the supplied Heavy Duty MicroLock cable and ends at the Floor Base. At the base, the adapter holder simply and inconspicuously stores either a standard MicroLock to XLR adapter (included), or alternatively, a regular wireless transmitter. Any transmitter type that is included in our adapter program can be used. This feature allows for great flexibility on stage when you have multiple choir mics in the same space. When the choir is on stage, you simply place the 4097s in the assigned spots and you're ready to go!

Features:

• Low noise and natural voice
• Highly directional for high isolation
• Uniform, frequency independent directionality
• Integrated shock-mounting in floor base
• Rapidly stabilizing microphone boom pole
• MicroLock connector
• CORE+ technology
• Sturdy shock mount and cable-born noise isolation

Specifications:

• Directional pattern: Supercardioid
• Principle of operation: Pressure gradient
• Cartridge type: Pre-polarized condenser
• Frequency response: 20 Hz - 20 kHz
• Effective frequency range ±2 dB, at 20 cm (7.9 in): 80 Hz - 15 kHz with 2 dB soft boost at 10-12 kHz. Second order low-cut filter at 80 Hz with DAD9099-BC
• Sensitivity, nominal, ±3 dB at 1 kHz: 16 mV/Pa; -36 dB re. 1 V/Pa
• Equivalent noise level, A-weighted: Typ. 23 dB(A) re. 20 µPa (max 26 dB(A))
• Equivalent noise level, ITU-R BS.468-4: Typ. 35 dB (max. 38 dB)
• Distortion, THD < 0.5%: 130 dB SPL RMS, 133 dB SPL peak
• Distortion, THD < 1%: 131 dB SPL RMS, 134 dB SPL peak
• Dynamic range: Typ. 111 dB
• Max. SPL, THD 10%: 136 dB SPL peak
• Rated output impedance: From MicroLock: 30 - 40 Ω. From DAD9099 XLR Adapter: 100 Ω
• Cable drive capability: Up to 300 m (984 ft) with DAD9099 XLR Adapter
• Common mode rejection ratio (CMRR): > 60 dB from 50 Hz to 15 kHz with DAD9099 XLR Adapter
• Power supply (for full performance):
  For wireless systems Min. 5 V - max. 10 V through DPA adapter
  With DAD9099: P48 (Phantom Power). Will work from 12 V
• Current consumption: Typ. 1.5 mA (microphone). 3.5 mA with DAD9099 XLR Adapter
• Connector: MicroLock. XLR via supplied DAD9099 adapter
• Weight: Total: 5.1 kg (180 oz). Round Base: 4.4 kg (155 oz)
• Maximum Total Height: 253 cm (100 in)
• Temperature range: -40°C to 45°C (-40°F to 113°F)
• Relative humidity (RH): Up to 90%
• Colors: Black