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3521 Compact Stereo Kit w. cardioid mics

  • complete stereo kit: two 4021 compact cardioid mics + accessories
  • perfect for any PA/Live job
  • the microphones are carefully matched within 1 dB

The 3521 is a complete stereo kit with two 4021 Compact Cardioid Microphones carefully matched within ±1 dB on frequency response, sensitivity and self-noise.

Complete with a wide range of accessories, this kit is designed especially for low profile mounting directly inside a piano.

With the XY/ORTF holder, the kit is also exceptional as a compact stereo pair for applications such as overhead for drums, horn or string sections, choirs, main or additional spot pair for small or big acoustic ensembles.

The complete kit is supplied in a sturdy carrying case and includes the combination XY/ORTF holder, a shock mount, 2 gooseneck mounts and 2 magnet bases for mounting on metal surfaces and windscreens.

Please refer to Related products for full description of accessories.

Specifications for 3521 Compact Stereo Kit w. cardioid mics

Directional characteristics: Cardioid
Principle of operation: Pressure gradient
Cartridge type: Pre-polarized condenser
Frequency range, ± 2 dB: 40 Hz - 20 kHz
Sensitivity, nominal, ±2 dB: 8 mV/Pa; -42 dB re. 1 V/Pa
Equivalent noise level A-weighted: Typ. 20 dB(A) re. 20 µPa
Equiv. noise level ITU-R BS.468-4: Typ. 25 dB (max. 28 dB)
S/N ratio, re. 1 kHz at 1 Pa (94 dB SPL): 74 dB(A)
Total harmonic distortion (THD): <0.5% THD 110 dB SPL peak, <1% up tp 116 dB SPL peak
Dynamic range: Typ. 97 dB
Max. SPL, peak before clipping: 145 dB
Output impedance: <300 Ohm
Cable drivecapability: Up to 100 m (328 ft) after XLR connector
Power supply: Phantom P48
Current consumption: 2.6 mA
Connector: 3-pin XLR-M (Standard P48)
Microphone weight: 27.5 g (0.97 oz) (without cable)
Capsule diameter: 19 mm (0.75 in)
Microphone length: 31 mm (1.22 in)
Cable length: 3 m (9.8 ft)
Matching tolerance (frequency response and sensitivity): ±1 dB (40 Hz - 20 kHz)
Phase deviation for kit: <10°

Diagrams for 3521 Compact Stereo Kit w. cardioid mics

Phase response of DPA 4021/22/23Phase response of DPA 4021/22/23
Typical third-octave inherent-noise spectrum of DPA 4021/22/23Typical third-octave inherent-noise spectrum of DPA 4021/22/23
The proximity effect exhibited by 4021/22/23The proximity effect exhibited by 4021/22/23
On-and off-axis responses of 4021/22/23 measured at 30 cm.On-and off-axis responses of 4021/22/23 measured at 30 cm.
Directional characteristics of 4021/22/23 (normalized).Directional characteristics of 4021/22/23 (normalized).

The following products are related to 3521 Compact Stereo Kit w. cardioid mics

Related products

3552 Compact Stereo Kit w. omnidirectional mics

The 3552 is a complete stereo kit with two carefully matched (within 1 dB) 4052 Compact Omnidirectional Microphones.

4021/22/23 Compact Cardioid

The DPA compact cardioids are the perfect choice for all kinds of spot miking situations in TV studios or concert halls where near invisibility has to go hand in hand with studio quality audio.

Accessories included

4021/22/23 Compact Cardioid

The DPA compact cardioids are the perfect choice for all kinds of spot miking situations in TV studios or concert halls where near invisibility has to go hand in hand with studio quality audio.

CXO4000 Compact XY/ORTF Stereo Holder

The CXO4000 holder features mounting of DPA Compact Cardioid microphones in both a coincident XY stereo configuration as well as in a near coincident ORTF combined time and intensity difference stereo configuration

SM4000 Suspension Mount

The Suspension Mount SM4000 is a simple and flexible mount for the Compact Cardioid Microphones Types 4021, 4022 and 4023 plus the Compact Omnidirectional Microphone Types 4051, 4052 and 4053.

DYS0917 Thread Adapter for Stereo Boom

Adapter to fit between a US-standard microphone stand and the UA0836 Stereo Boom.

EXY4000 Extension for CXY/CXO4000

The EXY4000 Extension is intended for usage together with Compact stereo holders (i.e. CXY4000) if rubber suspension is needed.

It has a 19 mm outside diameter and will fit directly into the UA0897 Shock Mount, the RSM4000 Shock Mount for Windjammer or the WSM4000 WINDPAC Shock Mount.

UA0897 Shock Mount

The UA0897 Shock Mount is designed for use in environments where vibration levels are unusually high.

Accessories available

CSM4000 Compact Shock Mount

The CSM4000 alias "The Radiator Mascot" is a shock mount specially designed for rubber suspension of Compact Microphones on standard microphone stands, the TB4000 Table Base or the MB4000 Magnet Base.

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Wireless adapters

DPA mini mics are available with adapters for wireless systems

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