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