Typically, loudspeaker manufacturers recommend an amplifier with power output equal to the speakers program music power rating or two times 2 x the continuous rms power rating. A true class b biasing system combines maximum thermal efficiency with excellent audio performance. If qsc quality is desirable in a home listening application i would suggest consideration of the purchase of either a qsc studioquality rmx series or cinema sound dca series amplifier. Qsc design expertise allows the output devices to shift from low power to high power rails in less than a millionth of a second. The qsc gx3 stereo power amplifier is ideal for professional entertainers who require maximum performance and portability on a limited budget. Qsc gx3 2channel professional power amplifier gx3 adorama.
I have a qsc gx3 power amplifier and the 2sa12942sc3263 output transistors were removed. Qsc gx series power amplifier audio visual specialists. Gx3 by qsc is a 2x 425w power amp at 4ohm weighing in at around 12kg, in a 2u rack size. Does have a little rack rash and did have some tape on for marking up which has left some residue. Qsc diagrams, schematics and service manuals download for free. Optimized for maximum realworld headroom into 4 ohm and 8 ohm speaker systems.
The gx3 stereo power amplifier from qsc is ideal for professional entertainers who require maximum performance and portability on a limited budget. Service manuals, schematics, eproms for electrical technicians. The gx3 power amplifier by qsc is ideal for 8 ohm speakers with a 250350 watt power rating program or 4 ohm speakers with a 350500 watt power rating program. Gx amplifiers deliver just the right amount of power to the most popular speakers used by entertainers. The gx3 is ideal for speakers in the 300 watt program range, supplying maximum possible power to 4 ohm and 8 ohm loads. Qsc gx3 user manual 12 pages gx power amplifier series 300500725 watts per channel at 8 ohms brand. Gx series power amplifiers products live sound qsc. To 8 ohm speakers, it delivers 300 watts of output in a 2channel speaker system, and 350 watts in a single channel output.
Gx power amplifier qsc gx5 power amplifier 500 wattsch at 8. Qsc gx3 power amplifier 300 wattsch at 8 ohms parts express. Gx power amplifier series 300500 watts per channel at 8 ohms. Guardrail automatically protects the amplifier and loudspeakers from damage due to temperature rise or overdrive without shutting down the show. Qsc designers have optimized output and appearance of the gx3 power amp while reducing raw material cost and weight. The qsc gx3 stereo power amplifier is ideal for professional entertainers. Qsc gx3 sh ts sch service manual download, schematics. User manual gx3 300 watts per channel at 8 ohms gx5 500 watts per channel at 8 ohms gx7 725 watts per channel at 8 ohms gx power amplifier series td00027100 td00027100 rev. The qsc gx3 gives you the right wattage for your system. Qsc gx3 power amplifier is ideal for professional entertainers who require maximum performance and portability on a limited budget. Qsc designers have optimized output and appearance of the gx3, while reducing raw material cost and weight. Cooling vents the internal fan moves air through the chassis to reduce temperature rise. Tm gx power amplifier series american musical supply.
Qsc gx3 425 watt two channel stereo power amplifier qsc gx3. Being complimentary pairs in which order are they to be placed in pcb. The gx3 is ideal for speakers in the 300 w range, while the gx5 provides full performance for 500 w speakers and the gx7 outputs 725 w into an 8 ohm load. If no lights come on, check the power cord and the ac reset on the rear panel. Gx3 power amplifier by qsc is designed for professional musicians, djs and entertainers who require maximum performance and portability on a limited. Gx3, power amps, amplifiers 47566 sound productions. The gx3 power amplifier by qsc is ideal for 8 ohm speakers with a 250350 watt power rating program or 4 ohm speakers. Qsc gx3 2channel professional power amplifier, 300w at 8 ohms stereo mode, 20hz20khz frequency, 20kohms balanced impedance. Its all here dramatic styling, easy hookup and adjustments, excellent audio quality and qsc reliability. Power levels matched to the most popular speakers used by entertainers. This version of qsc gx3 manual compatible with such list of devices, as. Amplifier qsc gx3 user manual gx power amplifier series 300500725 watts per channel at 8 ohms 12 pages gx power amplifier series 300500725 watts per channel at 8 ohms 18 pages. Power your small and intimate pa systems the qsc gx3 amplifier is the smallestoutput amplifier in the muchacclaimed qsc line.
Qscs gx series amplifiers are ideal for professional entertainers who. Qsc gx3 425 watt two channel stereo power amplifier. This is the amp that has a very good light, reliable and very clean sound, a big enough round. The gx3 uses the qsc grounded collector output system, for optimum cooling of the critical power transistors. Technical notesthe gx3 uses the latest evolution of the qsc grounded collector output system, for optimum cooling of the critical power transistors. Make offer qsc rmx 1850hd pro power amplifier amp dj music band concert sound stage show qsc powerlight 3. We delete comments that violate our policy, which we encourage you to read. Gxd 8 professional power amplifier from qsc is optimized for 4 ohm loudspeaker load with builtin all specifications are subject to change without notice.
Gx series amplifiers are ideal for professional entertainers who require maximum performance and portability on a limited budget. Qsc rmx1450a power amplifier the rmxa series amplifiers offer true professionalquality performance at an affordable price. This site helps you to save the earth from electronic waste. The hallmarks of the qsc brand professional audio quality, meticulous engineering, precision manufacturing and longterm reliability are all intrinsic to gx. That one year i have 2 gx3 on hk power works as a reminder of frontage on stage and work at home. Qsc designers, headed by pat quilter, have optimized output and appearance while reducing raw material cost and weight. Add contemporary styling, multiple inputoutput options, light weight, and advanced protection circuitry.
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