Celto Acoustique SQ8800 4-Channel Class-D Switch-Mode Amplifier

Description

The Celto Acoustique SQ8800 is a high-power, multi-channel amplifier built for both touring and fixed installations. It features a universal SMPS (switch-mode power supply) with Active PFC and a compact 1U chassis. It delivers robust performance across all channels with protection circuitry and efficient cooling.

Key Features

• Class-D output with high current MOSFETs
• SMPS + Active PFC (90 – 260 V AC)
• 4 × independent gain controls (one per channel)
• Modes: Stereo, Parallel, Bridge
• Protection: Over-current, overload, over-temperature, under/over voltage, short-circuit
• Cooling: Variable-speed fans, front-to-back airflow

Power & Performance

Load / ModeOutput Power (RMS, 1 kHz, 1% THD)8 Ω (per channel) | 4 × 1300 W
4 Ω (per channel) | 4 × 2200 W
2 Ω (per channel) | 4 × 2000 W

• Frequency Response: 6 Hz – 20,000 Hz (–1 dB)
• THD: < 0.05% / < 0.03% typical
• Signal-to-Noise Ratio: > 107 dB (A-weighted)
• Crosstalk (1 kHz): > 75 dB
• Input Impedance (balanced): 20 kΩ
• Maximum Input Level: +20 dBu
• Slew Rate: > 60 V/µs
• Damping Factor (8 Ω, 500 Hz): > 800
• Voltage Gain: ×50 (34 dB nominal)