Cục đẩy công suất dBacoustic D12 là model Main công suất 2 kênh chuyên nghiệp cho dàn âm thanh lớn. Một lựa chọn số 1 cho dàn karaoke kinh doanh, dàn âm thanh sân khấu, hội trường nằm trong Series D của dBacoustic.
Thông số kĩ thuật : Cục đẩy công suất dBacoustic D12
| Max output Power EIA 1kHz 1% THD (EIA = 33ms ON / 66ms OFF) | 2x 1200W 8 ohms | 2x 2000W 4 ohms | 1x 4000W 8 ohms (Bridge) |
| Overall gain | 35dB (50 times voltage) |
| Sensitivity at 8 ohms | 0.775Vrms (0dBu) |
| Signal to Noise Ratio (A weighted, 0 dB) | >110dB |
| Frequency Response (-1dB) | 20~20000Hz |
| Typical THD (half power, 1kHz, 8 ohms) | <0.1% |
| Typical IMD (1kHz at 4:1, -20dB) | <0.3% |
| Crosstalk (1kHz) | >65dB |
| Slew Rate | >30V/us |
| Input Impedance | 20 kΩ |
| Damping factor (1kHz, 8 ohms) | >500 |
| Protections | Soft-Start, Short-Circuit, Over-Voltage, Over-Current, Over-Load, DC Output, Temperature |
| Operating Voltage | 190~260VAC 50-60Hz |
| Preamp | Low noise and low distortion circuit, PeakStop Opto-Limiter |
| Power Supply (PSU) | Linear topology with toroidal transforner |
| Output stage | Class TD (82% efficiency) |
| Cooling | Front to back airflow, Temperature regulated fans, Copper heat-sink for maximum heat transfer |
| Rear Panel | 2 NEUTRIK XLR Input with latch, 2 NEUTRIK XLR Link ,2 NEUTRIK Speakon NL4, 2 speaker Binding post terminals, Stereo / Parallel / Bridge switch, Ground / Lift switch, Magnetic Breaker, PowerCon 20A (Included) |
| Speakon Wiring | SPK1 = 1+1- CH A / 2+2- CH B | SPK2 = 1+1- CH B / 2+2- Not Used |
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