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From : mike71flores
Added: Jul 15, 2009
Benefit Dance that raised $5000 dollars on Saturday July 11th. Just purchased the QSC K12's and decided to do the David and Goliath test of speakers. The QSCK12's sound quality was complimented by many and the JBL's were constantly complained about being too loud. So its quality vs quantity. This was a fairly big hall with about 300 people that danced from 8 to 1am. Keep in mind the JBL JRX125 has Dual 15's, where as the QSCK12's has a 500watt 12 inch cone and a 500 watt compression driver. JBL INFO: JBL JRX125 Dual 15" 2-Way Speaker Cabinet Features: * Dual 15" woofers * 2" high-frequency compression driver with 1" exit * Progressive Transition Waveguide horn * System functions as quasi 3-way * 3/4" acoustically superior MDF cabinet * Trapezoid cab design for excellent projection * 500W continuous power capacity * 1,000W peak power capacity * Heavy-duty recessed handles * Heavy steel grille * 1/4" and Speakon connectors * SonicGuard protection circuitry * 18-1/4"W x 43-1/4"H x 17"D * 94 lbs. QSC INFO: Active or Passive Active Frequency Response 52 Hz - 18 kHz (-6 dB) Power Capacity 1000W Class D (500W LF, 500W HF) Maximum Sound Pressure Level (SPL) 131 dB peak (1 meter) Nominal Sensitivity 75° Conical (-6 dB) Impedance XLR & 1/4" : 40k Balanced / 20k Unbalanced XLR & 1/4" : Mic Mode: 2260 Balanced RCA : 10k Low Frequency Driver 12" Cone Transducer High Frequency Driver 1.75" Diaphragm Compression Driver Enclosure Material Impact Resistant ABS Input Connections Balanced Female XLR & 1/4" Combo, Line/Mic Level Input Balanced Female XLR & 1/4" Line Level Input Stereo RCA Line Level Input Dual Balanced Male XLR Full Range Line Level Output Balanced Male XLR "Mix" Output Dimensions 23.7 x 14 x 14" (603 x 356 x 356 mm) Weight 41 lbs (18.6 kg)
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