-±Ô°Ý ¹× ¼º´É |
|
QD-4240 |
QD-4480 |
Power Output Level |
|
|
f=1KHz, THD+N¡Â0.05% (Typical) |
|
|
QUAD RL=8¥Ø |
40W |
80W |
RL=4¥Ø |
240W |
120W |
BRIDGED STEREO RL=8¥Ø |
120W |
240W |
One Channel Driven |
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|
f=1KHz THD+N¡Â0.05% RL=4¥Ø |
60W |
120W |
Frequency Response RL=8¥Ø, P.=1W |
0dB+0.5, –1.5dB: f=DC~55KHz |
Power Bandwidth Half Power, THD+N¡Â0.1% |
10Hz~70KHz |
STEREO RL=8¥Ø |
Total Harmonic Distortion (THD+N) |
|
f=20Hz~20KHz, Half Power |
|
STEREO RL=8¥Ø |
¡Â0.05% |
RL=4¥Ø |
¡Â0 .07% |
BRIDGED RL=8¥Ø |
¡Â0.07% |
Channel Separation Half Power RL=8¥Ø, |
¡Ã80dB |
f=1KHz, ATT. max. Input 600¥Ø shunt |
Residual Noise (DIN Audio Filter) |
¡Â –70dB: ATT min. |
Signal-to-Noise Ratio DIN Audio, |
¡Ã100dB |
Input 600¥Ø Shunt |
Sensitivity (ATT max.) |
0dBm |
Rated Power into 4¥Ø 1KHz |
Input Impedance (ATT max.) |
¡Ã 20K¥Ø (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 ¡Ã 100¡ÆC (212¡ÆF) |
PC Limiter |
RL < 2¥Ø |
Fan Circuit |
–50¡ÆC (122¡ÆF)–60¡ÆC (140¡ÆF)– |
|
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 |
»ç¿ëÀü¿ø |
AC 220V, 60Hz |
¼ÒºñÀü·Â |
800W |
1000W |
Áß·® |
11.5kg |
15.5kg |
¿ÜÇü |
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) |