Electro-Voice Dx38, Руководство по обслуживанию

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1
Measuring data Dx 38 – complete device
1. Power Supply
1.1 Operation Voltage U
Mains
90 - 250 V AC, 50 - 60 Hz
1.2 Operation Current at U
Mains
= 110 V AC 200 mA
at U
Mains
= 230 V AC 130 mA
1.3 Power Consumption 14 W
1.4 Internal Operation Voltage +5 V
±
0,1 V
+18 V
±
1 V
-18 V
±
1 V
1.5 Internal Operation Currents +5 V max. 460 mA
+18 V max. 400 mA
-18 V max. 250 mA
1.6 Power Supply Switching Frequency 192 kHz
2. Inputs
2 x XLR IN, electronically balanced, 2 x XLR Direct Out,
Input transformers (NRS 90244) are optionally available
2.1 Input Impedance electronically balanced 20 k
Ω
2.2 Input Voltage [1] 4,5 V = +15 dBu
Max. Input Voltage 24,5 V = +30 dBu
2.3 Common Mode Rejection CMRR
≥
40 dB
3. Outputs
4 x XLR OUT, electronically balanced
3.1 Output Impedance < 100
Ω
3.2 Min. Load Impedance 600
Ω
3.3 Max. Output Voltage [1] 8,7 V = +21 dBu
3.4 Output Symmetry [1] [2]
≥
-40 dB
4. Frequency Response
4.1 Frequency Response [3] fig. 1 30 Hz ... 20 kHz
-
0.5 dB
5. Crosstalk
5.1 Crosstalk Attenuation [3] > 80 dB