4055 Kick Drum Microphone

Description
This 4055 Kick Drum Microphone has been optimized to pick up the true sound of the kick (bass) drum. This microphone delivers the renowned DPA sound, clarity and linear frequency response, both on axis and off axis. The low frequency response, dynamics and high-level capabilities of this mic are superb and result in a very tight, natural, well-defined sound. Full of highs and lows plus all the mids as well.

Features
 Picks up the clear, true sound of the kick drum
 Flat frequency response so you can shape the sound your way 
 Built tough to withstand rough use on the live stage 
 Asymmetric design for easy placement inside or outside the kick drum

What's in the box
 1 4055 Kick Drum Microphone
 1 UA0961 Microphone Holder

Application Guide
Placement guide
The 4055 Kick Drum Microphone is easy to position both inside and outside the kick drum due to its asymmetrical design. This microphone is very flexible, allowing you to completely transform your sound design, just by moving the microphone or changing its angle.
 
Cleaning guide
 
Keep the microphone dry – away from water and cleaning fluids. Do not use sprays or fluids containing chemicals that could remove static electricity on or near the microphone. This could cause permanent damage.
Please note that the capsule is permanently fixed and can’t be changed.
The microphone grid is the only part that may be cleaned. To clean the grid properly, without risk of causing damage to the capsule, you have to unscrew it from the microphone body. Be aware that the mic capsule itself should not be cleaned in any way, as it will influence the performance.
The grid consists of two parts: the outer black metal mesh and an inner foam windscreen. Both parts may be cleaned separately.
All the parts should be assembled again in the opposite order. Be careful to align the foam windscreen in the outer black metal mesh. When remounting, take care to tighten the grid firmly.

Specifications
Directional pattern Open Cardioid
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) 40 Hz - 18 kHz with a 6 dB soft boost at 10 kHz
Sensitivity, nominal, ±2 dB at 1 kHz 2 mV/Pa; -54 dB re. 1 V/Pa
Equivalent noise level, A-weighted Typ. 27 dB(A) re. 20 µPa (max. 29 dB(A))
Equivalent noise level, ITU-R BS.468-4 Typ. 39 dB (max. 41 dB)
Distortion, THD < 1% 156dB SPL RMS, 159 dB SPL peak
Dynamic range Typ. 132 dB
Max. SPL, THD 10% 164 dB SPL peak
Rated output impedance 380 Ω
Minimum load impedance 2 kΩ
Cable drive capability 100 m (328 ft)
Output balance principle Impedance balancing with Active Drive
Common mode rejection ratio (CMRR) > 55 dB
Power supply (for full performance) P48 (Phantom Power)
Current consumption 2.0 mA
Connector XLR-3M. Pin 1: shield, Pin 2: signal + phase, Pin 3: - phase
Color Matte black
Weight 241 g (8.5 oz)
Microphone diameter 57 mm (2.24 in)
Capsule diameter 17 mm (0.67 in)
Microphone length 132 mm (5.19 in)
Maximum output voltage, RMS 9.75 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%
Typical on and off-axis response of a DPA 4055 Kick Drum Microphone measured at 20 cm (7.9 in)

Typical directional characteristics of a DPA 4055 Kick Drum Microphone

Replacement parts
 DUA0720B 4055 Microphone Grid, Black
 UA0961 Microphone Holder
 KE4055 Zip Case