Qtx QRC12A User Manual - page 4
Cleaning
Use a soft cloth with a neutral detergent to clean the cabinet, panel and controls.
To avoid damage, do not use solvents to clean this equipment.
Specifications
QRC12A
QRC15A
Power supply
220-240Vac 50/60Hz (IEC)
Main driver
30cm (12”)
38cm (15”)
HF Unit
2.5cm (1”) titanium compression driver
HF Dispersion
90° x 40°
Output power (max)
500W
700W
Output power (RMS)
250W
350W
Frequency Response
45Hz - 20kHz
35Hz - 20kHz
Sensitivity
99dB
101dB
Crossover Frequency
3kHz
2.5kHz
Dimensions
625 x 360 x 325mm
730 x 450 x 380mm
Weight
14kg
22kg
Troubleshooting
Check POWER switch is on
No output and no LEDs lit
Check mains lead is connected and fuse hasn’t blown
Check leads are OK and connected properly
Power LED lit but no sound from external
inputs
Check VOLUME and GAIN controls are not fully down
Check that MIC/LINE switch is not switched to “MIC” for a line
signal
Distorted output
Reduce GAIN control on the relevant channel until signal is clean
Microphone output very low
Check that MIC/LINE switch is not switched to “LINE” for a mic.
signal
© QTX Sound 2011