Wednesday, June 1, 2011

QSC K-SUB Lightweight Powered Subwoofer

Price List 1.689 / Piece
QSC K-SUB Lightweight Powered Subwoofer
The QSC K Series is quite simply The New Standard in lightweight powered loudspeaker systems. Under the direction of Pat Quilter, QSC's team of amplifier engineers have created a new standard in Class D power modules unparalleled in the industry.
Features

  • Lightweight portable powered speakers with legendary QSC amplifier power and reliability
  • 1000 watt continuous Class D power module
  • Extensive DSP enhances system performance
  • Attractive and professional appearance
  • Rugged birch plywood enclosure
  • Tour-grade 18 gauge steel grilles
  • Comfortable ergonomic handles
Threaded pole socket with speaker pole includedThe KSub is a dual-12" bandpass design, constructed of premium birch and includes high-quality, low-noise casters. The subwoofer features a threaded pole receptacle for a positive, wobble free connection to a threaded speaker pole (included).

Remote gain control capability is offered via a potentiometer (not included) connected to the on-board Euroblock connector. In an installed application, multiple K Series speakers can be "daisy-chained" for total gain control from a single remote pot. Auto-standby mode is engaged after 5 minutes of inactivity.
Extensive DSP

  • DMT™ (Directivity Matched Transition) provides for matched LF and HF coverage across the entire listening area, eliminating unnatural "dead" or "hot" frequency zones.
  • Intrinsic Correction™, first featured in our high-end line-array products maps 65-75 spacially-averaged measurements to IIR and FIR filters that actively adjust time, frequency and amplitude response to a maximally flat bandpass target. The result is a speaker that behaves equally well across the entire sound field.
  • DEEP™ and excursion limiting allow for extended low-frequency response by actively managing low-frequency transients without degradation of the underlying signal or adjacent frequencies.
  • GuardRail™ protection, first introduced on our GX Series amplifiers protects both the amplifier module and your performance from unnatural and destructive clipping.
Specifications:

K SeriesKSub
SPECIFICATIONSKSub
Configuration4th Order Bandpass
Transducers
  Low-frequency

2 x 12" cone transducers
Frequency Response (-6 dB)48 Hz - 134 Hz
Frequency Range (-10 dB)44 Hz - 148 Hz
Maximum SPL1130 dB peak
Amplifiers
Power Output21000 W continuous Class D (2x500 W)
2000 W peak
Input Impedance (ohms)XLR / ¼": 40k balanced / 20k unbalanced
ControlsPower, Gain, LF Mode (Normal/DEEP™), Polarity (Normal/Reverse), Front LED (On/Off/Limit)
IndicatorsPower, Signal, Standby, Limit
ConnectorsDual balanced female XLR/¼" line level input, Dual Balanced male XLR full range line level out, Remote gain control, Locking IEC power connector
CoolingOn demand, 50 mm variable speed fan
Amplifier ProtectionThermal limiting, output overcurrent, overtemperature muting, GuardRail™
Transducer ProtectionThermal limiting, excursion limiting
AC Power InputUniversal power supply 100 - 240 VAC, 50 - 60 Hz
AC Power Consumption
(1/8 Power)
100 VAC, 2.3 A
120 VAC, 2.01 A
230 VAC, 1.13 A
Enclosure
MaterialPainted birch plywood
FinishBlack textured paint
Dimensions (HWD)26" x 14" x 28.1" (including casters)
665 mm x 356 mm x 714 mm
Weight (Net)74 lb / 33.6 kg
Available AccessoriesKSub COVER
1 For comparison purposes and in accordance with common industry practice, maximum peak SPL specifications are theoretical calculations based upon transducer sensitivity and peak available amplifier power.

2 Independent of limiters and driver protection circuits.
 
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