QX-4750
USER MANUAL
|
10
QUESTAUDIO.NET
SPECIFICATIONS
MODEL
PER CHANNEL
BRIDGED-MONO MODE
LOAD
8Ohm
4Ohm
70V
(22Ohm)
100V
(33Ohm)
8Ohm
4Ohm
70V
100V
Maximum Dynamic Power
(@1KHz, 1% THD)
4x 400W
4x 750W
NA
NA
2x 1500W
2x 1400W
2x 1500W
2x 1500W
Maximum Continuous Power
(@1kHz, 1% THD)
4x 400W
4x 750W
NA
NA
2x 1500W
2x 1400W
2x 1500W
2x 1500W
Features
Wake On Music, Auto-Mute
(1ms wake-up), Limiting on
High Temperature
Amplifier Protection Systems
Thermal protection,
Over-Current Protection,
DC Protection, HF Protection
Mains Input Voltage Range
85VAC - 265VAC
Standby Power Consumption
4.8W
Muted Power Consumption
16W
Idle Power Consumption
28W
Standard Power Consumption
(Pink Noise@ 1/8th Rated
Power, 8Ohm)
160W
Output Connector
SpeakON
Mains Connector
powerCON
Dimensions (H x W x D)
88 x 482 x 416 mm
(3.5 x 19 x 16.4")
Weight
10.2kg (22.5 lbs)
Accessories
Mains Cable, Feet, User Manual,
Phoenix Plugs
Frequency Response
20-20kHz (+/-0.3dB)
Peak Output Current
40A
Dynamic Range
111dB (A-weighted)
Noise Level
-72dBu (A-weighted)
Distortion (1kHz@1W/8Ohm)
0.004%
Distortion (1kHz@50W/8Ohm)
0.003%
Crosstalk (1kHz@1W/8Ohm)
-90dB
Gain
26dB/32dB
Maximum Input Level
+24dBu
Input Type
Analogue Balanced XLR +
Optional Expansion Module
Link
6-pin Phoenix (3.81mm pitch)
Input Sensitivity
+7dBu/+4dBu
Input Impedance
10kOhm
Output Resistance
6.5mOhm/13mOhm
Front Controls
Volume Adjust, 80Hz HPF
Enable, 100Hz LPF Enable,
Bridged-Mono Enable, Limiter
Enable, Auto-Standby Enable
Indicators (LEDs)
Blue/Orange
Active/
Standby
Orange
Protection
Green
Signal
Detection
Orange/Red
Limiter/Clip
Cooling
Fan cooled, temperature
dependent
* All specifications were measured at 240VAC
** Quest Engineering reserves the right to make changes in
specifications, or products without prior notice.
*** The figures shown above are ‘real world’, usable specifications and
are conservative as a result. Quest Engineering does not believe in
portraying misleading or exaggerated specifications.
