|
Output power per channel |
8 ohms / 1 kHz (both channels driven) |
300 W |
500 W |
725 W |
8 ohms / 1 kHz (single channel driven) |
350 W |
600 W |
800 W |
4 ohms / 1 kHz (both channels driven) |
425 W |
700 W |
1000 W |
4 ohms / 1 kHz (single channel driven) |
500 W |
850 W |
1200 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" TRS, balanced, parallel Phono, unbalanced |
Output Connectors (each channel) |
Speakon®, 1/4", 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) |
Dimensions |
Height: 3.5" (89 mm) 2RU Width: 19" (483 mm) Depth: 10.1" (257 mm) |
Weight |
Net: 27 lb (12.1 kg) Shipping: 31 lb (14.1 kg) |
Net: 28 lb (12.6 kg) Shipping: 32 lb (14.6 kg) |
120V model: Net: 15.5 lb (7 kg) Shipping: 20.5 lb (9.3 kg) 230V model: Net: 16.5 lb (7.5 kg) Shipping: 21.5 lb (9.75 kg) |
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 |