-규격 및 성능

QD-4240

QD-4480

Power Output Level

f=1KHz, THD+N≤0.05% (Typical)

QUAD RL=8Ω

40W

80W

RL=4Ω

240W

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)