QSC Audio GX3 300, GX5 500 user manual Specifications, GX3GX5

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SPECIFICATIONS

GX3GX5

Specification subject to change without notice.

Output Power, 1 kHz, 0.1 % clipping

8Ω, both channels driven 8Ω, single channel driven 4Ω, both channels driven 4Ω, single channel driven

2Ω, both channels driven, 1% clipping

Signal to Noise (20 Hz – 20 kHz)

Input Sensitivity

Voltage Gain at 8Ω

Output Circuitry

Power Requirements (1/8 power, pink noise at 4Ω 120 V AC)

Distortion (1 dB below rated power, 20 – 20 kHz)

Frequency Response

Dynamic Headroom, 4Ω

Damping Factor

Input Impedance

Maximum Input Level

Input Connectors, each channel

Output Connectors, each channel Amplifier and Load Protection

Controls and Indicators, Front Panel

Controls, Rear Panel

Dimensions (HWD)

Weight – Shipping / Net

Agency Approvals

300 W	500 W
350 W	600 W
425 W	700 W
500 W	850 W
200 W	350 W
100 dB
1.2 Vrms
32.2 dB	34.4 dB
Class B	2-tier Class H
6.3 A	6 A

8Ω, less than 0.05% 4Ω, less than 0.1%

20 – 20kHz, +0, -1dB 2dB

100

Greater than 20K ohms (balanced or unbalanced) +24 dB (16 Vrms)

3-pin XLR and 1/4” TRS, balanced, parallel Phono, unbalanced

Speakon®, 1/4”, Binding Posts

Short circuit, open circuit, thermal, RF protection Load protected against DC faults

Gain controls, 21 detents

Red Clip LEDs, proportional, 0.1% THD threshold. Green Signal LEDs, threshold -35 dB

Blue Power LED, AC-on.

Full Range / Crossover switch

100 Hz, 3rd order LP (sub), 2nd order HP (top).

3.5” (2RU) x 19” x 10.1” (89 mm x 483 mm x 257 mm)

30 / 25 lbs (13.5 / 11.5 kg) 31 / 26 lbs (14 / 12 kg)

UL, CE, RoHS / WEEE compliant

EN

AC POWER CONSUMPTION 1/8 power, ohms (AC Current and Heating, 120Vac)

			GX3		GX5
Operating Condition		AC amps	BTU / hr	AC amps	BTU / hr
Idle		0.2	44	0.3	60
8	+ 8 ohms, 1/8 power (1)	4.1	904	3.3	734
8	+ 8 ohms, 1/3 power (2)	6.1	1160	8.5	1456
8	+ 8 ohms, full power (3)	9.75	1109	16.2	1891
4	+ 4 ohms, 1/8 power (1)	6.3	1515	5.8	1160
4	+ 4 ohms, 1/3 power (2)	9.4	2105	11.2	2162
4	+ 4 ohms, full power (3)	15.0	2297	24.5	3754

(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.