DPA 4011 Руководство пользователя - Страница 6

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User's Manual

Full Specifications

Cartridge type: Pre-polarized condenser B&K Type MM0056

Principle of operation: Pressure gradient

Power Supply: 4011: Phantom P48

Frequency range: On-axis: 40Hz - 20kHz ±2dB

Phase response: Phase matching between any two microphones: ±15°

Directional characteristics: Cardioid

Sensitivity: 4011: Nominally 10mV/Pa; -40dB re. 1V/Pa unloaded (at 1kHz)

4012: Nominally 9mV/Pa; -41dB re. 1V/Pa unloaded (at 1kHz)

Equivalent noise level A-weighted: Typ. 19dB(A) re. 20µPa (max. 20dB(A))

Equivalent noise level CCIR 468-1: 4011: Typ. 25dB (correct with the attenuator

Max SPL: 4011: 158dB SPL peak before clipping (attenuator set to either

4012: 168dB SPL peak

4012: with PCC4000: 155dB peak

Total Harmonic Distortion: 110 dB SPL peak (<0.5% THD)

Preamplifier:

Frequency range: 4012: 20Hz to 50kHz ±0,2dB, 5Hz to 150kHz -3dB

Output impedance: <220 Ohm

Cable drive capability: 4011: Up to 100m

4012: HMA4000 Two-channel High-Voltage Microphone

Amplifier - 130V or PCC4000 Passive Connection

Converter for P48

(100Hz to 20kHz)

0dB or -20dB)

116 dB SPL peak (<1% THD)

4011: 20Hz to 40kHz -3dB (loaded with 2x10 kOhm//

10nF - equivalent to 100m cable)

4012: With HMA4000: Up to 300m

4012: With PCC4000: <100m

in 0dB or -20dB setting)

4012: Typ. 25dB