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QTA-1120P/1240P
User Manual
Trouble Shooting
If the amplifier fails to work as required,
please check the following:
No Power, No Lights
•
Make sure amplifier power switch is on.
•
Make sure mains power switch is on at
the wall.
•
Check the mains and DC fuse.
•
Replace with only the correct type and
rating.
Distorted Output
•
Check that the speaker type is correct for
the output that you are using (ie. 4-16
100V line).
•
Check for any short circuits on the speaker
line.
Very Low Output Volume
•
Make sure that the speaker line is not
6
shorted.
•
Check speaker types and ratings.
•
Check that the parallel/mono switch is
correctly set.
Continually Blows Fuses
•
Make sure that the speaker line is not
shorted.
•
Check speaker types, ratings and if on
correct output.
Amplifier Keeps on Cutting In & Out
•
Make sure that there is adequate
ventilation around the amplifier.
•
Check the vent slots on the front are not
covered or blocked and the fan on the rear
is functioning correctly.
•
Check also speaker types, ratings and for
any short circuits on the speaker line.
User Manual
Q-Tech Commercial Series
QTA-1120P/1240P
Specifications
Type
Model
Output Power (RMS):
Mains
Voltage
Power
Supply
Battery
Voltage
Total Harmonic Distortion
Sensitivity
Ω
, or
Outputs
Signal to Noise Ratio4
Indicator
AC Power Consumption
DC Power Consumption
Dimensions (mm)
Weight
Mounting options
Booster Amplifier
QTA-1120P QTA-1240P
120W
240W
AC 115V or 230V
50/60Hz
DC 24V
<= 1% @ 1KHz,
rated power
1V, 100mV @ 10K ohm
Ω
8
, 70V, 100V
86 dB
Power On, Level
320W
640W
8A
15A
88(H) x 425(W) x 305(D)
8.2 Kgs
10.6Kgs
Desktop or 19" rack
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