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DPA 4090 Omnidirectional Microphone  From DPA (B&K)

This is a high-quality omnidirectional condenser microphone. Due to its uniquely natural and open sound, the 4090 is suitable for instrument-miking applications in the studio or on the stage.

DPA Microphones (Bruel & Kjaer)

$629.95

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Manufacturer's Description from DPA (B&K)

DPA 4090 Features

 ♦ Natural and open sound

 ♦ For instrument miking in the studio or on the stage

 ♦ 4090: For acoustic guitar, strings, piano and wind instruments

 

4090 Omnidirectional Microphone, Normal SPL, P48

With 134 dB SPL handling, this microphone can be used with essentially any instrument from acoustic guitar and strings to piano and wind instruments. Due to their remarkably linear frequency response in the 20 Hz to 20 kHz range, sound system engineers can also use these mics for sound system alignment, testing and tuning.

 

The rugged and compact design features a 5.4 mm (.21 in) diameter pre-polarized condenser capsule in a tapered body measuring just 12 cm (4.76 in).

 

A bit about omnis

An omnidirectional microphone has sensitivity at all angles – in principle picking up sound equally from all directions. This gives you extremely natural and realistic sound compared to a cardioid mic. Omni mics are often used for picking up ambient sounds, as well as miking a large sound source such as a choir in a recording situation. Unfortunately, due to their pickup pattern, omnis can also produce a lot of feedback in live situations.

Nonetheless, we recommend that you try a DPA omni first because, when used close to the sound source, the equal frequency response makes these mics a flexible addition in your audio toolbox. It will often give a more natural sound, it can handle extremely high sound pressure levels, it does not suffer from proximity effect and is not as sensitive to wind, pop or handling noise.

DPA Microphones (Bruel & Kjaer)

About Manufacturer

DPA Microphones A/S is a leading manufacturer of high quality condenser microphones and microphone solutions for professional applications in studio, broadcast, theatre, video/film, houses of worship, teleconference and sound reinforcement environments.

Specifications

Directional pattern: Omnidirectional

Principle of operation: Pressure

Cartridge type: Pre-polarized condenser

Frequency response: 20 Hz - 20 kHz

Effective frequency range ±2 dB: 20 Hz - 20 kHz

Sensitivity, nominal, ±3 dB at 1 kHz: 20 mV/Pa; -34 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 < 1%: 120 dB SPL RMS, 123 dB SPL peak

Dynamic range: Typ. 100 dB

Max. SPL, THD 10%: 134 dB SPL peak

Rated output impedance: < 40 Ω

Cable drive capability: 100 m (328 ft)

Output balance principle: Impedance balanced

Common mode rejection ratio (CMRR): > 40 dB

Power supply (for full performance): P48 (Phantom Power)

Current consumption: 2 mA

Color: Black

Weight: 38 g (1.34 oz)

Microphone diameter: 19 mm (0.75 in); at tip 6.7 mm (0.26 in)

Microphone length: 122 mm (4.8 in)

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%