Guangzhou DUBAO Electronics Technology Co., Ltd.
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Class TD 20Hz - 20KHz , HQ Series Professional Analog Audio Amplifier , for Audiovisual Room and Hall
HQ series is the transformer version of FP series(the QYC classical star product), designed according to the import speaker’s high requirement to the amplifier, the sound is balanced, delicate and clear. Improved class T-D technology achieved super high efficiency, low heat value and very low failure rate. Customized high capacity and withstand voltage filter capacitor with import material to guarantee high sound quality. Adopt high quality transformer with black iron core and fine copper to get sufficient power margin, do not fear any challenge.
Features:
Brand new design with improved technology
Low hear value and failure rate
Great cost performance
Outstanding quality and reliability
Stereo/mono and bridge mode operation
Balanced XLR in and output
NL-4 speaker outputs
High efficient and reliable switching power supply with power factor correction (PFC) technology
Soft start, clip limiter, power limiter, thermal cut, DC, AC, short-circuit
Upgraded cooling fan with magnetic suspension technology and low noise
Apply to: KTV, club, audiovisual room and hall.
| Model | HQ2.8 |
| Output Power | |
| Stereo 8Ω | 2x800W |
| Stereo 4Ω | 2x1200W |
| Bridge 8Ω | 2400W |
| Frequency Response | 20Hz-20KHz (±0.5dB) |
| THD+N | <0.02%(rated power,4Ω/1KHz) |
| S/N Ratio | >100dB |
| Input sensitivity | 0.77V/1V/1.4V |
| Input Impedance | 15KΩ Balanced/30KΩ Unbalanced |
| Damping Factor | >500 |
| Cooling system | intelligent variable speed fan controlled by temperature, |
| airflow from front to back | |
| Indicator | Indicator, startup: green LED, signal: green LED(each channel), clipping: yellow LED(each channel), protect: red LED |
| Protection | short, open, overheat, ultrasonic, RF and unmatched load, mute switch |
| AC main | AC220V/50-60Hz |
| Main requirement | 20A |
| Dimension | 3.5”(88mm)/2U |
| Weight(kg) | 22 |
