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Maintronic DPA4.150 Service Manual page 11

Digital power amplifier

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Supply voltage AC
Supply voltage DC
Peakpower
(at 230V~ power supply)
THD+N
Frequency response speech
Frequency response music
Input sensitivity
Input impedance
Signal-to-noise ratio
Autosense On
Electronically balanced inputs
Optional transducer potential-free
Starting current
Starting current with
R 10Ohm (as an option)
Power consumption
Standby
Standby
Full load
Full load
Sequential-Power-ON
Connectors
Input connectors
Output connectors
DC In
Power supply 230V
Potential-free outputs
Auto Sense
Remote ON
RS485 (optional)
Cooling
Weight
Dimension
measuring condition
66 Ohm/33 Ohm 100V
1kHz 50W
-3dB
-3dB
1kHz
1kHz
1kHz; 50W; Vol 0.5
230V AC
230V AC
24V DC
230V AC
24V DC Sinus signal
230V AC Sinus signal
100V 66 Ohm
Power Delay approx. 2 seconds per device
plug-in screw terminal block 12 pin
plug-in screw terminal block 3 pin
plug-in screw terminal block 2 pin
IEC plug - power supply 230V AC
with optocouplers max. 24V DC, 10mA (serial connection possible)
NF-Input >-50dBm (70Hz-20kHz Auto Sense)
Ch. On/Off throught remote contact; 12V - 24V DC, ca. 10mA
RJ45 connectors
convection cooling + speed-controlled fan
16,5kg
19" 2RU (482x88x280 mm)
technical data DPA4.150
Data
220-240 V AC, 50/60 Hz
24V (20 - 28V DC) optional
48V (42 - 58V DC)
4x150W 2x300W
0,2%
90Hz - 10kHz
80Hz - 20kHz
1V eff
10Kohm
85dB
-45dB
1 input each channel
11A with NTC
recovery time 70 sec.
6A (500mS) with R
recovery time 1 sec
0,16A 3,8W
0,045A 10W
27A
3,7A
1
11

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