Celto Acoustique SD8800

Description Quad-channel touring precision—the CELTO SQ8800 offers 4× 1300W 8Ω / 4x 2200W 4Ω With refined control for critical applications. Designed for line arrays, multi-zone systems, and high-fidelity reinforcement. Higher slew rate (>60 V/µs) and damping (>800) deliver lightning transients and grip. MUSE® preamp and J-FET limiters preserve dynamics without aggression. The exclusive Virtual Class-A circuit reaches warmth and precision audiophile tonality. Robust SMPS with multiple transformers handles extreme loads effortlessly. NEUTRIK connectors throughout for professional-grade reliability. At 1U 6 kg, it combines brute force with touring practicality. The SQ8800 brings flagship performance to quad configurations. Key Features 4× 1300W 8Ω / 4x 2200W 4Ω / 4x 2000W 2Ω (RMS) Benchmark grade performance with 0.015% THD and 108B SNR Incredibly light and compact 1U / 6kg / 281mm depth Runs cool with its 92% efficiency Class D output stage Audiophile sound with Virtual Class-A warmth and precision Zero-Attack J-FET limiters to eliminate unpleasant clipping Active PFC to work seamlessly from 90V to 260V AC Technical specifications Channels 4 RMS Power 8Ω (per ch., EIA 1 kHz 1% THD) 1300W RMS Power 4Ω (per ch.) 2200W RMS Power 2Ω (per ch.) 2000W Bridge 8Ω 2x 4400W Bridge 4Ω 2x 4000W Frequency Response (-1 dB) 10 – 25 000 Hz Typical THD < 0.03 % at 1W / < 0.09 % at half power Signal to Noise Ratio (A-weighted) > 107 dB Crosstalk (1 kHz) > 75 dB Slew Rate > 60 V/µs Damping Factor (8Ω) > 800 (internal) Voltage Gain 34 dB (50 times voltage) Input Impedance 20 kΩ balanced Preamp Ultra-low noise and distortion circuit with MUSE® Fine Gold capacitors and TrueRMS JFET VCA limiters Output Stage / Class Proprietary High-Speed High-Current 4th generation discrete Class D (92% efficiency) Power Supply Switch mode with active PFC (Universal AC input from 90 to 260V) Cooling Temperature regulated long life brush-less fans, front to back airflow Power Connector SEETRONIC PowerCon Input Connectors 4x Balanced NEUTRIK XLR Output Connectors 4 ×NEUTRIK SpeakON NL4MP Dimensions (W×H×D) mm 482×45×281 (1U) Weight Net 6 kg series shortname sseries