QX-300
USER MANUAL
|
09
QUESTAUDIO.NET
SPECIFICATIONS
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)
150W
Mains Connector
Standard IEC C14
Output Connector
2-pin Phoenix (5.08mm pitch)
with a screw lock
Dimensions (H x W x D)
44 x 482 x 344 mm
(1.75 x 19 x 13.5”)
Weight
5.9kg (13 lbs)
Accessories
Mains Cable, Feet, User Manual,
vPhoenix Plugs
Frequency Response
20-20kHz (+/-0.3dB)
Peak Output Current
25A
Dynamic Range
104dB (A-weighted)
Noise Level
-67dBu (A-weighted)
Distortion (1kHz@1W/8Ohm)
0.006%
Distortion (1kHz@50W/8Ohm)
0.006%
Crosstalk (1kHz@1W/8Ohm)
-80dB
Gain
32dB
Maximum Input Level
+24dBu
Input Type
Analogue Balanced 3-pin
Phoenix (5.08mm pitch)
Input Sensitivity
+4dBu
Input Impedance
10kOhm
Output Resistance
43.6mOhm
Front Controls
Volume Adjust, 80Hz
HPF Enable, 100Hz LPF 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
OPERATION MODES
STEREO MODE
BRIDGED-MONO MODE
LOAD
8Ohm
4Ohm
8Ohm
4Ohm
70v
100V
Maximum Continuous Power
(@1khz, 1% Thd)
2 x 140W
2 x 140W
1 x 280W
1 x 260W
250W
240W
Maximum Dynamic Power
(@1khz, 1% Thd)
2 x 200W
2 x 275W
1 x 550W
1 x 550W
550W
550W
* 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.
