The Celto Acoustique SQ12000 is a flagship 4-channel Class-D amplifier from the SQ Series, engineered for touring and fixed installations that demand very high power in a compact, lightweight 1U chassis. With a universal switch-mode power supply (SMPS) featuring Active PFC, ultra-low distortion, and comprehensive protection, it is designed to drive large full-range systems and subwoofers with precision and reliability.
Key Features
- Class-D amplification with high-current MOSFETs
- SMPS with 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 with front-to-back airflow
Power & Performance
Load / ModeOutput Power (RMS, 1 kHz, 1% THD)8 Ω (per channel) | 4 × 2000 W
4 Ω (per channel) | 4 × 3000 W
2 Ω (per channel) | 4 × 3300 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)
