Specifications - Quest Engineering QX-300 User Manual

SPECIFICATIONS

OPERATION MODES
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Maximum Continuous Power
(@1khz, 1% Thd)
Maximum Dynamic 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
Input Sensitivity
Input Impedance
Output Resistance
Front Controls
Indicators (LEDs)
Cooling
QUESTAUDIO.NET
STEREO MODE
8Ohm 4Ohm
2 x 140W 2 x 140W
2 x 200W 2 x 275W
20-20kHz (+/-0.3dB)
25A
104dB (A-weighted)
-67dBu (A-weighted)
0.006%
0.006%
-80dB
32dB
+24dBu
Analogue Balanced 3-pin
Phoenix (5.08mm pitch)
+4dBu
10kOhm
43.6mOhm
Volume Adjust, 80Hz
HPF Enable, 100Hz LPF 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
8Ohm 4Ohm
1 x 280W 1 x 260W
1 x 550W 1 x 550W
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)
Mains Connector
Output 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
250W 240W
550W 550W
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
150W
Standard IEC C14
2-pin Phoenix (5.08mm pitch)
with a screw lock
44 x 482 x 344 mm
(1.75 x 19 x 13.5")
5.9kg (13 lbs)
Mains Cable, Feet, User Manual,
vPhoenix Plugs
QX-300 USER MANUAL | 09