DPA 4012 Panduan Pengguna - Halaman 9

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1. Technical Description

SPECIFICATIONS:

Cartridge type:

4011-TL and 4012: Pre-polarised condenser Type DMM0056

4015 and 4016: Pre-polarised condenser Type DMM0058

Principle of operation:

Pressure gradient

Power supply:

4011-TL and 4015-TL: Phantom P48

4012 and 4016: HMA5000 or PCC 4000 for 48 V

Frequency range:

4011-TL and 4012: On-axis: 40 Hz to 20 kHz (±2dB) at 30 cm

4015-TL and 4016: On-axis: 40 Hz ±2 dB to 20 kHz (+3/-1dB) at

60 cm with a max. 3 dB soft boost at 10 – 15 kHz

Phase response:

Phase matching between any two microphones: ±15°

Directional characteristics:

4011-TL and 4012: First order cardioid

4015-TL and 4016: Wide cardioid

Sensitivity:

4011-TL and 4015-TL: Nominally 10 mV/Pa; -40 dB re. 1 V/Pa

4012 and 4016: Nominally 9 mV/Pa; -41 dB re. 1 V/Pa

Equivalent noise level A-weighted:

Typ. 19 dB(A) re. 20 µPa (max. 20 dB(A))

Equivalent noise level ITU-R BS.468-4:

Typ. 25 dB

Max SPL:

4011-TL and 4015-TL: 158 dB SPL peak before clipping

(attenuator set to either 0 dB or -20 dB)

4012 and 4016: 168 dB SPL peak

4012 or 4016 with PCC4000: 155 dB peak

S/N ratio re. 1 kHz at 1 Pa (94 dB SPL):

75 dB(A)

Total Harmonic Distortion:

<0,5% up to 110 dB SPL peak

<1% up to 116 dB SPL peak

Dynamic range:

Typ. 97 dB

Switchable attenuator:

0 dB, - 20 dB