DPA 351 1 Kullanıcı Kılavuzu - Sayfa 10

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1. Technical Description

Preamplifier frequency range:

4012 and 4016: 20 Hz to 50 kHz ±0.2 dB, 5 Hz to 150 kHz -3 dB

4011-TL and 4015-TL: 20 Hz to 40 kHz -3 dB (loaded with 2x10 kOhm//

10 nF - equivalent to 100 m cable)

Preamplifier output impedance:

<200 Ohm

Cable drive capability:

4011-TL and 4015-TL: Up to 100 m (328 ft)

4012 and 4016: With HMA5000: Up to 300 m (984 ft)

4012 and 4016: With PCC4000: Up to 100 m (328 ft)

Polarity:

4011-TL and 4015-TL: Positively increasing sound pressure

produces positive-going voltage at pin 2. Pin 1: Ground, Pin 2:

Signal +, Pin 3: Signal. (See Fig. 5)

4012 and 4016: Positively increasing sound pressure produces

positive-going voltage at pin 4. Pin 1: Ground, Pin 2: Not used,

Pin 3: 130 V DC preamplifier supply, Pin 4: Signal. (See Fig. 7)

Difference frequency distortion:

(DF2, DF3, Df = 70 Hz) <0.5 % at 110 dB SPL peak

Influence of vibration:

<71 dB equivalent SPL for 1 m/s

sensitivity

Influence of magnetic field:

45 dB equivalent SPL for 80 A/m, 50 Hz in direction of greatest

sensitivity

Operating temperature range:

-10 to +55°C (+14 to 131°F)

Dimensions:

Microphone length: 175 mm (6.89 in)

Microphone diameter: 19 mm (0.75 in)

Capsule diameter: 19 mm (0.75 in)

Weight:

165 g (5.82 oz)

Connector:

4011-TL and 4015-TL: 3-pin XLR-M (Standard P48)

4012 and 4016: 4-pin modified XLR-M (high-voltage)

in direction of greatest