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QSC PLX3602 Power Amplifier

Power amplifier, 775-watt at 8 ohms, 1250-watt at 4 ohms

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Drive up to four loudspeakers from each amplifier channel.

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.

The PLX3602 is an excellent choice for users who need to drive up to four loudspeakers from each amplifier channel (2 ohm loading), or when extremely high power bridge mono operation is required. The PLX3602 features built-in subwoofer processing, filter switches, and front panel indications of bridge mono status.

Mechanical PLX2 series amplifiers have the refined, rugged good looks usually associated with high performance racing cars, competition bikes, professional power tools, and high power machinery. A solid, cast-aluminum front panel adds professional style to any rack while also acting as an integral I-beam, rigidly tying the chassis together for years of on-the-road reliability.

Additional mechanical touches such as the side stiffening rails, rear rack ears and cable tie anchor points attest to QSC's years of experience and attention to detail. QSC has even designed the integrated front handles so the amplifier slides into a rack without scraping the installers fingers on the rack sides. The exterior appearance of PLX2 amplifiers conveys what's inside - simply and truly, 13 to 21 pounds of the most advanced professional power amp on the planet.

PowerLight Technology PowerLight switchmode technology replaces a large, heavy AC transformer (typically 20 lbs. / 9 kg) with a highly efficient and lighter-weight active design. Conventional AC transformers provide 100 or 120 energy pulses per second, the PowerLight supply delivers 190,000 to 230,000 pulses per second. More pulses make it easier to provide on-demand power for the amplifier's output section. The power supply doesn't "sag" so bass notes stay full and powerful while the high end remains crisp and clean.

Audio Quality PLX2 audio power circuitry achieves performance normally associated with studio reference amplifiers. In order to reduce crossover distortion, precision bias tracking makes minute adjustments as amplifier temperature changes. The benefit is cleaner high-frequency and more consistent sound no matter how hard the amplifier is driven. The higher power models use QSC-exclusive class H output circuitry, a form of audio "turbocharging" that increases maximum power without affecting the basic audio quality.

Specifications for the QSC PLX3602
STEREO MODE, both channels driven
8 ohms
FTC 20 Hz - 20 kHz 0.05% THD 725 W
EIA 1 kHz 0.1% THD 775 W
4 ohms
FTC 20 Hz - 20 kHz 0.05% THD 1100 W
EIA 1 kHz 0.1% THD 1250 W
2 ohms 1800 W
8 ohms
FTC 20 Hz - 20 kHz 0.05% THD 2500 W
EIA 1 kHz 0.1% THD 2600 W
4 ohms 1kHz 1% THD 3600 W

Signal to Noise (20 Hz - 20 kHz) -107 dB
Input Sensitivity @ 8 ohms 1.25 Vrms
Gain @ 8 ohms 36 dB
Output Circuitry 2-Tier Class H
Distortion (SMPTE-IM) Less than 0.02%
Typical Distortion
1/8 rated power, 20 Hz-20 kHz Less than 0.02%
Full rated power, 20 Hz-20 kHz Less than 0.02%
Frequency Response 20 Hz-20 kHz, -0.5 dB
Damping Factor Greater than 500
Input Impedance 20k ohms balanced
10k ohms unbalanced
Input Clipping 11 Vrms (+21 dBu)
Cooling Variable-speed fan, rear-to-front air flow
Input Connectors, each channel 3-pin XLR and 1/4" TRS balanced
Output Connectors, each channel Neutrik® NL4 Speakon® and Touch-proof binding posts
(Both channels available on Ch 1 output)
Rear Panel Switches Input Configuration: Bridge/Stereo/Parallel
Clip Limiters each channel
Filters (per channel): Top 100 Hz HPF/Full/Sub 100 Hz LPF & 33 Hz HPF/Full (infrasonic)
Front Panel Controls Detented Input Attenuator: 0 to ∞ dB
Power On/Off
Front Panel Indicators Clip: Red LED
-10: Green LED
Signal (-35 dB): Green LED
Power: Blue LED
Parallel: Amber LED
Bridge Mono: Amber LED
Amplifier Protection Full short circuit, open circuit, thermal, infrasonic, ultrasonic, and RF protection Stable into reactive or mismatched loads
Load Protection On/off muting, DC-fault power supply shutdown
Infrasonic -3 dB, 5 Hz
DC fault Power supply shutdown
Ultrasonic -3 dB, 85 kHz
Short Circuit Cutback
Thermal Muting at 90° C
Over Current Active clip limiting
AC circuit breaker
High Line Standard +15%, survive +25%
Low Line -33%
Height 3.5" (8.9 cm) 2 rack spaces
Width 19" (48.3 cm)
Depth, Rack mounting surface to rear panel 12.8" (32.6 cm)
Overall Depth 14.875" (37.9 cm)
Weight 21 lbs. (9.5 kg) net
26 lbs. (11.8 kg) shipping
Agency Approvals CE, FCC, cUL, UL
Overall Rating:  N/A Number of Reviews: 0
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