DPA 4012 Manuel de l'utilisateur - Page 12

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FUL L SP ECIF ICAT I O N S

Cartridge type:

4021, 4022 and 4023: Pre-polarized condenser Type DMM0056

4026, 4027 and 4028: Pre-polarized condenser Type DMM0058

Principle of operation:

Pressure gradient

Power Supply:

Phantom P48

Frequency range:

4021, 4022 and 4023: On-axis: 40Hz to 20kHz ±2dB at 30 cm

4026, 4027 and 4028: On-axis: 40Hz ±2dB to 20kHz +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°

(100Hz to 20kHz)

Directional characteristics:

4021, 4022 and 4023: Fir st order cardioid

4026, 4027 and 4028: Wide cardioid

Sensitivity:

Nominally 7mV/Pa (at 1kHz)

Equivalent noise level A-weighted:

Typ. 20dB(A) re. 20µPa

Equivalent noise level CCIR 468-1:

Typ. 25dB (max. 28dB)

Max SPL before clipping occurs:

145dB SPL peak

Total Harmonic Distortion:

110 dB SPL peak (<0.5% THD)

Preamplifier:

Output impedance:

<300 Ohm

Cable drive capability:

Up to 100m

Difference frequency distortion:

(DF2, DF3, Df = 70Hz) <0.5% at 1 10dB SPL peak