Dynacord XA 4000

Dynacord XA 4000 power amplifier - derived from Dynacord LX2200, modified by Dynacord Germany

Technical data

• Load impedance / SUB: 2 ohms, 4 ohms, 8 ohms
• Maximum output power in midband, THD = 1%, 80 Hz SUB, 1 kHz 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 voltage swing RMS, THD = 1%, 80Hz SUB, 1kHz TOP: 78V
• Power bandwidth, TD = 1%, ref. 1 kHz, half power @ 4 ohms: 10 Hz … 50 kHz
• Voltage gain ref.1kHz: 37.3 dB
• Input sensitivity, at rated output power, 1 kHz: 0 dBu (0.775 V rms) THD, at rated output power, MBW = 80 kHz, 1 kHz: < 0.05%
• Maximum input level: +22 dBu (9.76 V rms)
• Input impedance, active balanced: 20 kOhm
• Damping factor, 1 kHz: > 300
• Rotation rate: 30V/μs Amplifier signal-to-noise ratio, 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 maximum output power into 4 ohms: 850 W
• Protection: Audio Limiters, High Temperature, DC, HF, Back-EMF, Peak Current Limiters, Start Current Limiters, Start Delay
• Cooling: Front-rear, 3-stage fans
• Ambient temperature limits: +5°C … +40°C (40°F … 105°F)
• Safety class: I
• Dimensions: 483 x 88.1 x 384 mm
• Weight: 8.25 kg