*4개의 입력과 4개의 앰프회로 내장 *동작상태를 확인할 수 있는 CLIP, PROTECTION, SIGNAL 표시의 LED부착 *넓은 주파수 대역과 고품질의 맑고 부드러운 최상의 음질 *과전류, 과열, 출력 SHORT, TURN ON/OFF DELAY, RF PROT, CLIP-LIMITER, DC검출의 완벽한 보호회로 내장 *INPUT PARALLEL, STEREO, BRIDGED MONO 기능 ![]()
-규격 및 성능 | | | QD-4240 | QD-4480 | Power Output Level | | | f=1KHz, THD+N≤0.05% (Typical) | | | QUAD RL=8Ω | 40W | 80W | RL=4Ω | 60W | 120W | BRIDGED STEREO RL=8Ω | 120W | 240W | One Channel Driven | | | f=1KHz THD+N≤0.05% RL=4Ω | 60W | 120W | | Frequency Response RL=8Ω, P.=1W | 0dB+0.5, –1.5dB: f=DC~55KHz | | Power Bandwidth Half Power, THD+N≤0.1% | 10Hz~70KHz | STEREO RL=8Ω | Total Harmonic Distortion (THD+N) | | f=20Hz~20KHz, Half Power | | STEREO RL=8Ω | ≤0.05% | RL=4Ω | ≤0 .07% | BRIDGED RL=8Ω | ≤0.07% | | Channel Separation Half Power RL=8Ω, | ≥80dB | | f=1KHz, ATT. max. Input 600Ω shunt | | Residual Noise (DIN Audio Filter) | ≤ –70dB: ATT min. | | Signal-to-Noise Ratio DIN Audio, | ≥100dB | | Input 600Ω Shunt | | Sensitivity (ATT max.) | 0dBm | | Rated Power into 4Ω 1KHz | | Input Impedance (ATT max.) | ≥ 20KΩ (Balance/Unbalance) | | Indicators | Power | (Red) | | | Protection (Mute) x 4 | (Green) | | | Clip x 4 | (Red) | | | Signal x 4 | (Green) | | Protection | Power SW ON/OFF muting | | | Heatsink Temp ≥ 100°C (212°F) | | PC Limiter | RL < 2Ω | | Fan Circuit | –50°C (122°F)–60°C (140°F)– | | | Low-Speed – Variable – Hi-Speed | | Controls | (Front)Power SW: Push up On/Push down Off | | | Attenuator: 21-position dB calibrated | | | (Rear)Mode SW: Bridge=BTL/STEREO/PARALLEL | | 사용전원 | AC 220V, 60Hz | | 소비전력 | 800W | 1000W | | 중량 | 11.5kg | 15.5kg | | 외형 | 482(W) x 88(H) x 369(D)mm | | Connectors | Input Combination Jack (balanced) | | | Output5-Way binding posts x 4 | * 0dB=0.775 Vrms, Half Power=1/2 Power Output Level (Rated Power)
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