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QSC Audio PL340 Power Amplifier (Discontinued)

Part # PL340
Model # PL340

The QSC PL340 Power Amplifier is designed for the most demanding live audio users, whether in touring rigs or fixed installations. The most requested features of the PowerLight 2 series have been upgraded to deliver "the ultimate analog amplifier", while the QSC Dataport ensures full compatibility with advanced digital processing and QSControl.


Description

Details

The QSC PL340 Power Amplifier is designed for the most demanding live audio users, whether in touring rigs or fixed installations. The most requested features of the PowerLight 2 series have been upgraded to deliver "the ultimate analog amplifier", while the QSC Dataport ensures full compatibility with advanced digital processing and QSControl. Three models range in power from 1250 watts to 4000 watts per channel at two ohms, all in two-rack space chassis that are only 15.6" (40 cm) deep and 22 lbs (10 kg).

In addition to higher power, the PowerLight 3 Series offers higher input voltage, selectable sensitivity, and easily adjusted rear panel switches with color coded LED indicators. For those users who simply want a high performance amplifier to go with their existing processor or console, the PowerLight 3 Series is an ideal choice, offering high power, excellent value, and zero signal latency. When complete integration of amplifier control, monitoring and DSP is desired, the PowerLight 3 Series is fully compatible with the QSControl BASIS networked audio platform, with its comprehensive drag and drop DSP functionality. Simpler DSP requirements can be met with the DSP-4 processing module.

Features

Features

  • PowerLight switchmode power supply for highest efficiency and improved audio performance.
  • Flow-thru air path and solid aluminum heat sinks for maximum cooling.
  • DataPort supports remote computer control and/or external DSP-4 modules.
  • Detented gain controls with 1 dB steps for precise calibration.
  • Removable knobs with lock-out security plate to prevent unauthorized tampering.
  • User defeatable clip limiters and selectable low-frequency filter per channel (3 Hz, 30 Hz, or 50 Hz).
  • Three selectable input gains (26 dB, 32 dB, or 1.2 V).
  • Front and rear panel LEDs indicate status of switch settings at a glance.
  • Parallel Dataport, XLR/M and XLR/F connectors for simple loop-through connectivity
  • Neutrik Speakon and "Touch Proof" binding post outputs.
  • Neutrik Powercon power cable remains secure on the road (early PL380 units will have hardwired power cables until UL approval of 30A Powercon is complete).
Specification
Stereo Mode, Both Channels Driven
8 ohms EIA 1 kHz 1% THD800 W
4 ohms EIA 1 kHz 1% THD1250 W
2 ohms EIA 1 kHz 1% THD2000 W
Bridge Mono Mode
8 ohms EIA 1 kHz 1% THD2600 W
4 ohms EIA 1 kHz 1% THD4000 W
Typical Distortion (20 Hz - 3 kHz, 3 dB / 20 Hz - 5 kHz, 10dB / 20 Hz - 20 kHz, 20dB)
8 ohms0.002-0.01%
4 ohms0.005-0.01%
2 ohms0.02%
Maximum Distortion20 Hz - 20 kHz, 1 dB below rated power
4 to 8 ohms0.05%
Frequency Response (8 ohms)20 Hz - 20 kHz, +/-0.2 dB
Noise (20 Hz - 20 kHz, 32 dB Gain)-105 dB
Dynamic Headroom (4 ohms)2 dB
Damping Factor (8 ohms)500
Output CircuitryClass H (2-tier)
Input Sensitivity
26 dB Setting3.92V
32 dB Setting1.96V
Input Gain (1.2V setting)36.4 dB
Maximum Input Level
1.2V Setting11V (+23 dBu)
32 dBu Setting14.6V (+25.5 dBu)
26 dBu Setting25V (+30 dBu)
AC Power Requirements
120V 50/60 Hz12A
230V 50 Hz7A
Cordset
120V 50/60 HzNEMA-15
230V 50 HzCEE 7/7 16A
Chassis Power Connector (All Voltages)20A PowerCon
Input Impedance> 10k ohms balanced, or unbalanced
CoolingVariable-speed fan, rear-to-front air flow
Connectors (each channel)Input: XLR Male, XLR Female and 3-pin detachable terminal blocks (1 each per channel)
Front Indicators (LED color)Power (Blue); Bridged (Yellow); Parallel (Orange); Clip/Prot
Rear Controls (with LED indicators)Input Mode: Bridge (Yellow); Stereo (Green); Parallel (Orange);
Amplifier and Load ProtectionShort circuit, open circuit, thermal, RF protection. On/off muting,
Dimensions3.5" H x 19.0" W x 15.63" D (89 mm x 483 mm x 397 mm)
Weight22.0 lbs (10.0 kg)
Shipping Weight31.5 lbs (14.3 kg)
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