User Manual for QSC PLD4.3 Processing Amplifier Click to enlarge the picture
Contents of the user manual for the QSC PLD4.3 Processing Amplifier
- Product category: Power Amplifiers QSC
- Brand: QSC
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for QSC Power Amplifiers
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User manual for the QSC PLD4.3 Processing Amplifier contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any QSC product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official QSC user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a QSC product will considerably shorten its lifespan!
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Product description The QSC PLD4.3 Processing Amplifier from PLD Series is designed specifically for the needs of portable and production sound system users. It provides efficient, robust, and high-fidelity power to drive multiple channels and configurations of loudspeakers while simultaneously deploying sophisticated digital processing with minimal operator complexity. This powerful and lightweight 4-channel amplifier with onboard, advanced DSP has the capability to configure and combine channels in various ways to drive a wide range of loudspeaker systems.The PLD4.3 Processing Amplifier features Flexible Amplifier Summing Technology (FAST) that actively distributes the total amplifier power in various combinations across 1, 2, 3, or all 4 outputs. This flexibility allows PLD Series amplifiers to drive (for example) 4 full-range loudspeakers or subwoofers; a high-power subwoofer and a bi-amplified speaker; a single high-power full-range loudspeaker and subwoofer combo; or multiple power-hungry subwoofers from a single, very high output mono-block.This amplifier uses QSC fourth generation class-D power amp design in combination with a custom power stage utilizing a purpose-built output device. This MOSFET device provides high voltage operation without needing a full bridge output and offers good audio quality due to co-location of the semiconductors. Additionally, it benefits from the PowerLight power supply, further enhanced with PFC (Power Factor Correction) that aligns the current waveform with the AC mains voltage waveform. PFC enables this amplifier to draw current from the wall in an efficient and controlled manner resulting in power from a single standard AC breaker. Additionally, it offers multi-stage sleep modes, saving energy when possible without ever sacrificing performance. The result is a powerful and flexible platform that offers low weight and efficiency.The PLD4.3 Processing Amplifier also doubles as a loudspeaker processor. The close integration of processing and amplification allows the DSP to monitor and respond to amplifier behavior, making dynamics processing accurate and effective. This synergistic approach employs both RMS and Peak Limiters that allow the combination of amplifier and loudspeaker to produce more output without being pushed to distortion or destruction.In addition to the dynamics processing, the onboard DSP offers 4 channels of crossover filters, parametric EQ, and alignment delay - everything needed to optimize a loudspeaker system. The amplifier also offers Intrinsic Correction, a combination of IIR and FIR Filtering and loudspeaker processing methodology. Intrinsic Correction compensates for the non-linearities in loudspeaker array and horn design and results in good performance from your QSC loudspeakers (sold separately).The on-board processing is managed and stored as presets, with 20 factory presets for the most common loudspeaker applications. For great customization, the built-in Preset Wizard streamlines amplifier setup and provides loudspeaker selection of passive loudspeakers (sold separately).With 4 channels of amplification plus drive rack signal processing in just 2RU, this amplifier replaces equipment taking up as much as 3 times the rack space.With a dedicated front panel UI complete with LED meters and indicators, a 400 x 240 TFT color display, a rotary encoder and ergonomic navigation buttons, this amplifier provides an intuitive interface for the user to control the system. The complete system can be set up in mere minutes. - FAST (Flexible Amplifier Summing Technology) drives most any loudspeaker system or configuration by distributing total amplifier power across 1, 2, 3, or all 4 channels
- 4 channels of full function onboard loudspeaker DSP with crossover and parametric EQ filters, limiting and alignment delay eliminate the need for outboard loudspeaker processors
- Powerful Intrinsic Correction processing maximizes the sonic performance of QSC loudspeakers
- 20 factory preset configurations that can be modified and stored in the 50 user presets
- PowerLight universal switch mode power supply with PFC for efficiency, good audio performance, and low weight
- 4 input XLR connectors, and 6 NL-4 output connectors
- Integrated front panel with channel select and mute buttons, input and output LED metering, 400 x 240 LCD, intuitive navigation buttons, LED power button and indicator, and cast aluminum handles
- Preset Wizard simplifies amplifier configuration providing loudspeaker selection from a list of passive speakers
UPC: 684284060563 In the Box QSC PLD4.3 Processing Amplifier Locking IEC Cable USB Cable Limited 3-Year Warranty Table of Contents
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Technical parametersQSC PLD4.3-XX Specs | Channels | 4 Channels Continuous:8 Ω: 625 W4 Ω: 625 W2 Ω: 625 W2 Channels Continuous:8 Ω: 1250 W4 Ω: 1200 W2 Ω: 1200 W1 Channel Continuous:8 Ω: 2500 W4 Ω: 2500 W2 Ω: 2500 W1 Ω: 2500 W 1-1.0 kHz sine wave, 1% THD, 1 channel driven | | Distortion | Typical Distortion:8 Ω: 0.01 to 0.03%4 Ω: 0.03 to 0.06%Maximum Distortion:4 to 8 Ω: 1.0%20 Hz to 15 kHz +/- 0.2 dB | | Frequency Response | 20 Hz to 20 kHz + 0.2 dB-0.7 dB (8 Ω) | | | | Output | Unweighted Output Unmuted: -101 dBWeighted Output Muted: -109 dB | | Gain | 38.4 dB (1.2 V setting) | | Damping Factor | > 150 | | Input Impedance | > 10 k, balanced or unbalanced | | Maximum Input Level | 3.9 V Setting: 12.28 V (+24 dBu)1.2 V Setting: 3.88 V (+14 dBu) | | Controls and Indicators | Front:PowerChannel mute buttonsChannel select buttonsChannel input signal and clip LED indicatorsChannel output and limit LED metersHome, enter, exit, gain navigation buttonsControl knobRear:AC power disconnect | | Input Connectors | Female XLR | | Output Connectors | NL4 | | Amplifier | Amplifier and load protection: Short circuit, open circuit, thermal, RF protection. On / Off muting, DC fault shutdown, active inrush limiting, input current limiting | | AC Power | Input: Universal power supply 100 to 240 VAC, 50 to 60 Hz | | Agency Approval | UL, CE, RoHS / WEEE compliant, FCC Class A (conducted and radiated emissions) | | Dimensions (H x W x D) | 3.50 x 19.00 x 16.00" (8.89 x 48.26 x 40.64 cm) | | Weight | 21.00 lb (9.53 kg) | | | | Package Weight | 26.0 lb | | Box Dimensions (LxWxH) | 23.2 x 20.2 x 6.5" |
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