SPECIFICATIONS
11
EN
SPECIFICATIONS
GX3 GX5 GX7
SPECIFICATION SUBJECT TO CHANGE WITHOUT NOTICE.
OUTPUT POWER, 1 kHz, 0.1 % clipping
8Ω, both channels driven 300 W 500 W 725W
8Ω, single channel driven 350 W 600 W 800W
4Ω, both channels driven 425 W 700 W 1000W
4Ω, single channel driven 500 W 850 W 1200W
2Ω, both channels driven, 1% clipping 200 W 350 W 600W
SIGNAL TO NOISE (20 Hz – 20 kHz) 100 dB
INPUT SENSITIVITY 1.2 Vrms
VOLTAGE GAIN AT 8Ω 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 6.3 A 6 A 11.5 A
at 4Ω 120 V AC)
DISTORTION (1 dB below rated power, 1 kHz) 8Ω, less than 0.02%
4Ω, less than 0.05%
FREQUENCY RESPONSE 20 – 20kHz, +0, -1dB
DYNAMIC HEADROOM, 4Ω 2dB
INPUT IMPEDANCE Greater than 20K ohms (balanced or unbalanced)
MAXIMUM INPUT LEVEL +24 dB (16 Vrms)
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
CONTROLS AND INDICATORS, FRONT PANEL Gain controls, 21 detents
Red Clip LEDs, proportional, 0.1% THD threshold.
Green Signal LEDs, threshold -35 dB
Blue Power LED, AC-on.
CONTROLS, REAR PANEL Full Range / Crossover switch
100 Hz, 3rd order LP (sub), 2nd order HP (top).
DIMENSIONS (HWD) 3.5” (2RU) x 19” x 10.1” (89 mm x 483 mm x 257 mm)
WEIGHT – Shipping / Net 31 / 27 lbs (14.1 / 12.1 kg) 32 / 28 lbs (14.6 / 12.6 kg) 22 / 17 lbs (10 / 7.7 kg)
AGENCY APPROVALS UL, CE, RoHS / WEEE compliant. Meets FCC Class B EMI limits.
AC POWER CONSUMPTION 1/8 power, ohms (AC Current and Heating, 120Vac)
GX3 GX5 GX7
Operating Condition AC amps BTU / hr AC amps BTU / hr AC amps BTU / hr
Idle 0.2 44 0.3 60
0.6 82
8 + 8 ohms, 1/8 power (1) 4.1 904 3.3 734 7.6 1183
8 + 8 ohms, 1/3 power (2) 6.1 1160 8.5 1456 13.4 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 11.5 1908
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 39.4 4478
(1) 1/8 power represents typical operating conditions.
(3) Full power is breaker limited to short periods.
(2) 1/3 power represents peak program levels.
(4) For 230V, multiply AC current by 0.5. For 100V, multiply AC current by 1.25.
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