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Xa 4000

Xa 4000

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The universally usable Xa 4000 active 2-way power amplifier provides Class H technology and a switching power supply. Xa 4000 power amps combine outstanding audio performance, highest reliability and operational safety allowing easy setup and operation of active 2-way systems with a crossover frequency of 140Hz between bass and mid/high cabinets. The power ampfs output capacity of 1100W/4ohms for the bass channel and 900W/4ohms for the mid/high channel allows the connection of up to four 8ohms cabinets per channel. The integrated frequency crossover separates the bass from the mid/high range at 140Hz. The x-over is carried out as a modified Butterworth-crossover with a slope of 18dB/octave. The crossover frequency of 140Hz allows the connection of basically any mid/high and bass cabinet. Using 2-or 3-way fullrange speaker systems . for example DYNACORD F150 . as mid/high cabinets is possible as well. Individual dB-scaled level controls for SUB and TOP channels, which are carried out as recess-mounted detent potentiometers provide a control range between +6dB and .‡ allow combining bass and mid/high cabinets with quite different efficiency. The frequency response of the Xa 4000 particularly accounts for the requirements of .Liveg applications. An integrated Lo-Cut filter attenuates low-frequency signals such as rumble and subsonic noise protecting the bass cabinets from being damaged by mechanical overload.
Load Impedance / SUB
2 Ohms, 4 Ohms, 8 Ohms
Maximum Midband Output Power, THD = 1%, 80Hz SUB, 1kHz TOP, Single Channel
2 Ohms - 1800 W, 4 Ohms - 1100 W, 8 Ohms - 600 W
Rated Output Power, THD < 0.1%, 20 Hz-140 Hz SUB, 140 Hz-20 kHz TOP, THD < 0.1%, 20 Hz-140 Hz SUB, 140 Hz-20 kHz TOP, Single Channel
4 Ohms - 1000 W, 8 Ohms - 500 W
Load Impedance / TOP
2 Ohms, 4 Ohms, 8 Ohms
Maximum Midband Output Power, THD = 1%, 80Hz SUB, 1kHz TOP, Single Channel
2 Ohms - 1600 W, 4 Ohms - 900 W, 8 Ohms - 500 W
Rated Output Power, THD < 0.1%, 20 Hz-140 Hz SUB, 140 Hz-20 kHz TOP, THD < 0.1%, 20 Hz-140 Hz SUB, 140 Hz-20 kHz TOP, Single Channel
4 Ohms - 800 W, 8 Ohms - 400 W
Maximum RMS Voltage Swing, THD = 1%, 80Hz SUB, 1kHz TOP
78 V
Power Bandwith, TD = 1%, ref. 1kHz, half power @ 4 Ohms
10 Hz … 50 kHz
Voltage Gain ref.1kHz
37.3 dB
Input Sensitivity, at rated output power, 1kHz
0 dBu (0.775 V rms)
THD, at rated output power, MBW = 80kHz, 1kHz
< 0.05%
Maximum Input Level
+22 dBu (9.76 V rms)
Input Impedance, active balanced
20 kOhms
Damping Factor, 1kHz
> 300
Slew Rate
30 V/µs
Signal to Noise Ratio Amplifier, A-weighted
102 dB
Output Stage Topology
Class H
Power Requirements
240, 230, 220, 120V or 100V 50 Hz ... 60 Hz (factory configured)
Power Consumption, at 1/8 max. output power @ 4 Ohms
850 W
Protection
Audio limiters, High temperature, DC, HF, Back-EMF, Peak current limiters, Inrush current limiters, Turn-on delay
Cooling
Front-to-rear, 3-stage-fans
Ambient Temperature Limits
+5°C … +40°C ( 40°F … 105°F)
Safety Class
I
Dimensions (W x H x D), mm
483 x 88.1 x 384
Weight
8.25 kg (18.2 lbs)
Optional
Rear-rackmount 15,5” 112930 (RMS15-CL), Rear-rackmount 18” 112933 (RMS18-CL)
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