QSC GX7 Power Amplifier
* 230V 16.5 lb (7.5 kg) 1 1/8 power represents typical maximum operating conditions All specifications are subject to change without notice.Features
SPECIFICATIONS
GX3
GX5
GX7
Output power per channel
8Ω continous, both channels driven
300 W
500 W
725 W
4Ω continous, both channels driven
425 W
700 W
1000 W
Distortion (1 dB below rated power, 1 kHz)
8 ohms: less than 0.02%
4 ohms: less than 0.05%
Signal to Noise (20 Hz - 20 kHz)
100 dB
Input Sensitivity
1.2 V rms
Voltage Gain
32.2 dB
34.4 dB
36.1 dB
Output Circuitry
Class B
2-tier Class H
2-tier Class H
Power Requirements (1/8 power, pink noise at 4 ohms, 120V)
6.3 A
6 A
10.1 A
Frequency Response
20 Hz–20 kHz, +0, -1 dB
Dynamic Headroom (4 ohms)
2 dB
Input Impedance
Greater than 20 kΩ (balanced)
Maximum Input Level
+24 dBu (16 V rms)
Input Connectors (each channel)
3-pin XLR and 1/4-inch TRS, balanced, parallel
Phono, unbalanced
Output Connectors (each channel)
Speakon®, 1/4-inch, Binding posts
Amplifier and Load Protection
Short circuit, open circuit, thermal, RF protection
Load protected against DC faults
Front Panel Controls and Indicators
Gain controls, 21 detents
Red CLIP LEDs, proportional, 0.1% THD threshold
Green SIGNAL LEDs, threshold 35 dB below clipping
Blue POWER LED, AC on
Rear Panel Controls
Full Range / Crossover switch
100 Hz, 3rd order LP (sub), 2nd order HP (top)
Product Dimensions (H×W×D)
89 × 483 × 257 mm
3.5 × 19 × 10.1 in
Carton Dimensions (H×W×D)
610 × 380 × 153 mm
24 × 15 × 6 in
Net Weight
12.1 kg / 27 lb
12.6 kg / 28 lb
120V model: 7 kg / 15.5 lb
230V model: 7.5 kg / 16.5 lb
Shipping Weight
13.2 kg / 29.1 lb
14.5 kg / 32 lb
120V model: 9.3 kg / 20.5 lb
230V model: 9.75 kg / 21.5 lb
Agency Approvals
UL, CE, RoHS/WEEE Compliant
AC Current and Heating, 120 VAC
(multiply current by 0.5 for 230 VAC)GX3
GX5
GX7
Operating Condition
AC amps
BTU/hour
AC amps
BTU/hour
AC amps
BTU/hour
Idle
0.2
44
0.3
60
0.6
82
8 + 8 ohms, 1/8 power 1
4.1
904
3.3
734
6.7
1169
8 + 8 ohms, 1/3 power 2
6.1
1160
8.5
1456
13.3
1807
8 + 8 ohms, full power 3
9.75
1109
16.2
1891
26.5
2167
4 + 4 ohms, 1/8 power 1
6.3
1515
5.8
1160
10.1
1963
4 + 4 ohms, 1/3 power 2
9.4
2105
11.2
2162
18.5
2612
4 + 4 ohms, full power 3
15.0
2297
24.5
3754
40
4478
2 1/3 power represents over-driven program levels
3 Full power is breaker limited to short periods
For 230 V, multiply AC current by 0.5
For 100 V, multiply AC current by 1.25