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Amplifiers, Gxa-1600, Gxa-750 – Gemini Dual CD Mixing Console 36 User Manual

Page 29: 1600 watt professional power amplifier, 750 watt professional power amplifier, Additional gxa series specifications

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GXA-1600

1600 Watt Professional Power Amplifier

Speakon™ connectors

XLR & 1/4” balanced inputs

Comprehensive 5 way protection circuitry

Dual speed fan cooled

Stable at 2 ohms

Three modes of operation: stereo, mono parallel and mono bridge

Dimensions: 19 x 12.5 x 3.5” (483 x 318 x 89 mm)
Weight: 41.72 lbs (18.92 kg)

GXA-750

750 Watt Professional Power Amplifier

Speakon™ connectors

XLR & 1/4” balanced inputs

Comprehensive 5 way protection circuitry

Dual speed fan cooled

Stable at 2 ohms

Three modes of operation: stereo, mono parallel and mono bridge

Dual speed fan cooled

Dimensions: 19 x 12.5 x 3.5” (483 x 318 x 89 mm)
Weight: 36.08 lbs (16.37 kg)

8 Ohms

GXA-1600

300 W

GXA-750

175 W

4 Ohms

500 W

275 W

2 Ohms

800 W

360 W

8 Ohms (bridged)

1000 W

550 W

4 Ohms (bridged)

1600 W

750 W

Each GXA Series power amplifier features 1/4” TRS Balanced/Unbalanced inputs and XLR Inputs as
well as 1/4” & Speakon™ outputs. Each amplifier comes equipped with dual high-airflow cooling
fans that guide hot air from the front of the unit to the back which prevents overheating during use.

Additional GXA Series Specifications

Intermodulation Distortion

less than 0.02%, typical 0.02% (SMPTE)

Signal to Noise Ratio

100 dB below rated power @ 8 Ohms

Damping Factor (GXA-750)

greater than 500 @ 8 Ohms

Damping Factor (GXA-1600)

greater than 800 @ 8 Ohms

Slew Rate

16 V/µS

Voltage Gain

33 dB

Input Sensitivity (for rated power at 8 Ohm)

GXA750 - 0.82 VRMS / GXA1600 - 1.1 VRMS

Indicators

1 Power Indicator, 1 Signal LED per channel, 1 Clip LED per channel,

1 Protect LED per channel, 1 Mono LED, 1 Bridge LED

Cooling

2 Speed Dual Fan; Front-to-Rear Forced Air

Protection

Short Circuit, DC, Thermal Cut-off, Sub/Ultrasonic Frequency Filters, In-rush

Current Limiter, Turn-on Delay, main fuse, secondary DC supply fuses

Measured using EIA standards:

1kHz @ 1% THD

29

Amplifiers