Specifications - Quest Engineering QX-4750 User Manual

SPECIFICATIONS

MODEL
LOAD
Maximum Dynamic Power
(@1KHz, 1% THD)
Maximum Continuous Power
(@1kHz, 1% THD)
Frequency Response
Peak Output Current
Dynamic Range
Noise Level
Distortion (1kHz@1W/8Ohm)
Distortion (1kHz@50W/8Ohm)
Crosstalk (1kHz@1W/8Ohm)
Gain
Maximum Input Level
Input Type
Link
Input Sensitivity
Input Impedance
Output Resistance
Front Controls
Indicators (LEDs)
Cooling
QUESTAUDIO.NET
PER CHANNEL
70V
8Ohm 4Ohm
(22Ohm)
4x 400W 4x 750W NA
4x 400W 4x 750W NA
20-20kHz (+/-0.3dB)
40A
111dB (A-weighted)
-72dBu (A-weighted)
0.004%
0.003%
-90dB
26dB/32dB
+24dBu
Analogue Balanced XLR +
Optional Expansion Module
6-pin Phoenix (3.81mm pitch)
+7dBu/+4dBu
10kOhm
6.5mOhm/13mOhm
Volume Adjust, 80Hz HPF
Enable, 100Hz LPF Enable,
Bridged-Mono Enable, Limiter
Enable, Auto-Standby Enable
Active/
Blue/Orange
Standby
Orange Protection
Signal
Green
Detection
Orange/Red Limiter/Clip
Fan cooled, temperature
dependent
BRIDGED-MONO MODE
100V
8Ohm 4Ohm
(33Ohm)
NA 2x 1500W 2x 1400W
NA 2x 1500W 2x 1400W
Features
Amplifier Protection Systems
Mains Input Voltage Range
Standby Power Consumption
Muted Power Consumption
Idle Power Consumption
Standard Power Consumption
(Pink Noise@ 1/8th Rated
Power, 8Ohm)
Output Connector
Mains Connector
Dimensions (H x W x D)
Weight
Accessories
* 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.
70V 100V
2x 1500W 2x 1500W
2x 1500W 2x 1500W
Wake On Music, Auto-Mute
(1ms wake-up), Limiting on
High Temperature
Thermal protection,
Over-Current Protection,
DC Protection, HF Protection
85VAC - 265VAC
4.8W
16W
28W
160W
SpeakON
powerCON
88 x 482 x 416 mm
(3.5 x 19 x 16.4")
10.2kg (22.5 lbs)
Mains Cable, Feet, User Manual,
Phoenix Plugs
QX-4750 USER MANUAL | 10