Inter-M QD-4960 - Manual (Page 24)

QUAD AMPLIFIER
22 QD -4240/4480/4960, QX-4960
Specifications Specifications
*0dB=0.775Vrms, Half Power=1/2 Power Output Level (Rated Power)
40W 80W 170W
60W 120W 240W
120W 240W 480W
60W 120W 240W
20Hz~50kHz (±0.5dB)
≤ 0.05%
≤ 0.07%
≤ 0.07%
≥ 80dB
≥100dB
0dB
≥ 20kΩ (Balance/Unbalance)
Power (Red)
Protection (Mute) x 4
(Red)
Clip x 4 (Red)
Signal x 4 (Green)
Power SW ON/OFF muting
Heatsink Temp ≥ 100˚C (212˚F)
–50˚C (122˚F)–60˚C (140˚F)–
Low-Speed – Variable – Hi-Speed
(Front) Power SW: Push up On/Push down Of
Attenuator: 21-position dB calibrated
(Rear) Mode SW: Bridge=BTL/Stereo/Parallel
100-120VAC or 220-240VAC; 50/60Hz
(Supplied AC mains transformer depends on country requirements)
300W 420W 770W
11.5kg/25.3lb 15.5kg/34.2lb 17kg/37.5lb
482(W) x 88(H) x 369(D) mm/19(W) x 3.5(H) x 14.5(D) in
Input : Combination Jack (balance)
Output : 5-Way binding posts x 4
Rated Output (RMS)
f=1kHz, THD+N≤0.05% (Typical)
QUAD RL=8Ω
RL=4Ω
BRIDGEDSTEREO RL=8Ω
One Channel Driven
f=1KHz THD+N≤0.05% RL=4Ω
Frequency Response RL=8Ω, P=1W
Power Bandwidth Half Power, THD+N≤0.1%
QUAD RL=8Ω
Total Harmonic Distortion (THD+N)
f=20Hz~20kHz, Half Power
QUAD RL=8Ω
RL=4Ω
BRIDGED RL=8Ω
Channel Separation Half Power RL=8Ω,
f=1kHz, ATT. max. Input 600Ω shunt
Residual Noise (DIN Audio Filter)
Signal-to-Noise Ratio DIN Audio,
Input 600Ω Shunt
Sensitivity (ATT max.)
Rated Power into 4Ω 1kHz
Input Impedance (ATT max.)
Indicators
Protection
PC Limiter
Fan Circuit
Controls
Power Source
Power Consumption (1/8 Power)
Weight
Dimensions
Connectors
Crossover Frequency From 60Hz to 250Hz or 600Hz to 2.5kHz
Crossover Slope 24dB/octave Roll/off (Linkwitz Filter)
LOW Filter 40Hz (12dB/octave)
* Specifications and design subject to change without notice.
- ACTIVE CROSSOVER (QX-4960)
10Hz~20kHz 10Hz~70kHz
≤ –70dB: ATT min. ≤ –85dB: ATT min.
QD-4240 QD-4480 QD-4960 QX-4960
Power (Red)
Protection (Mute) x 4
(Red)
Clip x 4 (Orange)
Signal x 4 (Green)