QSC PLX3002 Power Amplifier

3000 Watt power amplifer.

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    • 9 people rate: 9 out of 10

The PLX2 series is a range of premium quality, high-power amplifiers designed for the most demanding live performance uses. Built on the third generation of QSC PowerLight technology, PLX2 amplifiers combine light weight, superlative audio quality and proven QSC reliability. With power ratings up to 3,600 watts, PLX2 amplifiers are capable of providing plenty of clean, undistorted output to the most power hungry speaker systems. Learn More...

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QSC PLX3002 Power Amplifier reviews

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34 People rated this product : * * * * * * * * * * 8 out of 10

 

4 People wrote reviews

Read all QSC PLX3002 Power Amplifier reviews...
* * * * * * * * * * 9 out of 10

"QSC PlX: "Light in weight, and light in the sound!""

Quality:
Very light. It would take two plx's to match the weight of one rmx.

Desirability:
Good for main cabinets. But don't forget about its fellow rmx friend too. Then you will truly get a fuller sound

Sound:
Do not kid yourself. This amp kicks butt. However, it is more of a amp made for your main cabinets. Because of the tight bass features with this amp (higher damping factor), the bass lags. The best thing to do, if you are a qsc fan like me, is to mix and match. I use the plx for my mains, and the rmx 5050 for all 4 of my subs. Remember, you do not need a real high damping factor for subs. Otherwise, your punch will always lag

Ease of Use:
Bass lags is all

Submitted: 4/2/2006

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* * * * * * * * * * 5 out of 10 zZounds has verified that this customer bought this product from us.

"Nice amp, but not for subs."

Feature:
Has on-board limiters, which is great. Switchable low end rolloff, lots of options. Speakon connectors plus banana jacks, very versatile. No complaints in this department.

Quality:
Seems sturdy and reliable.

Value:
It's cheap, compared to say, a Crown K2 or Macrotech. Then again, it can't drive subs like those two excellent amps can. You get what you pay for.

Desirability:
I wanted it until I had it for a while. Now I'm less excited about it. I wanted to replace all my conventional power amps with these little lightweight amps that draw less from the wall. Didn't work out for me on the subs so I went with K2s, which are conventional power supply but pulse modulation output for high efficiency and much better sub sound.

Sound:
Better on mids/highs than subs, just doesn't measure up soundwise to a conventional power amp for lows. Sound is distinct, but thin. I A/B'd this amp to a Crown K2 and an old Peavey CS800. Both of those amps were much more punchy and full on the low end than the PLX, which is surprising in the case of the Peavey. I moved my PLX to the mid/highs and it sounds fine in that application.

Support:
Give it the benefit of the doubt, I haven't needed support but I hear QSC is good at that.

Overall:
I wouldn't buy another PLX amp, though the one I have is fine on subs. You CAN power subs with them, but you need to EQ them pretty heavily and that reduces your headroom unless you use several, which kinda defeats the low weight thing.

Submitted: 5/24/2004

Style of Music: Funk, Pop, Rock

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PLX Series
PLX Series
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Rear

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About This Product!
Description
Docs
A line of amplifiers that defines high impact. Up to 3,400 watts in a 2 rack-unit chassis that's only 13 in. deep and 21 lbs. It includes the exclusive PowerWave Technology used in the award-winning PowerLightÈ Series for chest-pounding bass and crystal-clear highs. It also features hum-free noise floor and ultra-low distortion of .03% THD.

To keep the PLX Series running under the most demanding conditions, the Advanced Thermal Management System has been added. PLXs offer the reliability of a company that's been building professional amplifiers for over 30 years. With PowerWave technology, the PLX Series takes your music to a whole new level. Not only does it deliver bigger bass and cleaner highs, PowerWave also cuts wasted heat and boosts reliability. PowerWave is a switching power supply that provides ample current to the audio power circuitry by charging the supply rails 230,000 times a second through and ultra-low impedance circuit. So unlike other amps with conventional supplies, the audio signal is never starved prematurely and remains crisp and clean. It virtually eliminates hum and greatly reduces noise, providing a vast dynamic range that can handle any music without running out of headroom.

The Advanced Thermal Management system ensures PLXs run cool and reliable even under harsh conditions. Using a high-output variable speed fan, ATM pulls cool air from the rear of the amp and propels it through a heat shroud precision-fitted to flow air over the heat sinks and out of the amplifier.

Technical Info

Watts Stereo Mode (both channels driven)
8 ohms 20 Hz-20 kHz 0.03% THD: 550W
4 ohms 20 Hz-20 kHz 0.05% THD: 00W
2 ohms 1 kHz 1% THD: 1500W

Watts Bridge Mono Mode
16 ohms 20 Hz-20 kHz 0.01% THD: 1100W
8 ohms 20 Hz-20 kHz 0.01% THD: 2000W
4 ohms 1 kHz 1% THD: 3000W

Noise (20 Hz-20 kHz): <-1.7 dB

Input Sensitivity @ 8 ohms: 1.7 Vrms
Input Sensitivity @ 4 ohms: 1.5 Vrms

Output Circuitry: 2-Step

Power Requirements (1/8 power pink noise @ 4ohms): 10A

Distortion (SMPTE-IM) Less than 0.01%
Distortion (typical)20 Hz-20 KHz(10 dB below rated power1.0 kHz and below full rated power: Less than 0.01% THD

Frequency Response: 20 Hz-20 kHz, ± 0.2 dB/8 Hz-50 kHz, +0, -3 dB

Damping Factor: greater than 500

Input Impedance: 6 K ohms unbalanced, 12 K ohms balanced
Input Clipping: 10 Vrms (+22dB)

Cooling: Variable-speed fan, rear-to-front air flow

Connectors: (each channel) Input: 3-pin XLR and 1/4 in. TRS balanced

Output: Neutrik Speakon and touch-proof binding posts
Amplifier Protection: Full short circuit, open circuit, thermal, ultrasonic, and protection.
Stable into reactive or mismatched loads.
Load Protection On/off muting, DC-fault power supply shutdown

Dimensions: 19 in. (48.3 cm) rack mounting, 3.5 in. (8.9 cm) tall (2 rack spaces), 13.25 in. (33.7 cm) deep (from front mounting rails)

Gain: 40x (32 dB)

Weight: 21 lbs. (9.5 kg) net
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