LD Systems SP 4K

The new Audio 3-stage CLASS-H SMPS amplifiers incorporate all the features to meet all your needs, whether you’re starting a P.A. amplifier project from scratch or just need to upgrade your present sound reinforcement equipment. In the amps, you’ll find 2 and 4 channel models, all offering high power levels at low distortion in the range 1.5 to 6 kW, yet weighing around 8.6 kg and only 30 cm deep.

• Product type Power Amplifiers
• Weight 8,5 kg
• Height 89 mm
• Width 483 mm
• Depth 310 mm
• Frequency response 20 - 20000 Hz
• Type PA Power Amplifiers
• Controls bridge/stereo mode selector, dual/link switch, gain, mains switch (on/off), volume
• Operating voltage 220 V AC - 240 V AC, 50-60 Hz
• Indicators ICL (Intelligent Clip Limiting), PMS, Signal, temperature
• THD < 0.05 %
• Signal-to-noise ratio 116 dB
• Crosstalk >75 dB
• Protection circuits DC, ICL (Intelligent Clip Limiting), mute when turning on, Open or mismatched loads, power supply overload, short circuit, soft start, thermal protection
• Input sensitivity 4.0 / 2.0 / 1.0 V
• Cooling 2 fans, temperature controlled
• Loudspeaker outputs 2
• Speaker output connections Speakon
• Rated ouput power (1kHz @ 4 Ohms) 2 x 1380 W
• Rated ouput power (1kHz @ 8 Ohms) 2 x 810 W
• Output circuitry Class H
• Rated ouput power (1kHz @ 8 Ohms, bridged) 2760 W
• Gain 26 / 32 / 38 dB
• Rated ouput power (1kHz @ 2 Ohms) 2 x 1950 W
• Rated ouput power (1kHz @ 4 Ohms, bridged) 3900 W
• Damping factor > 500