Dual 15" speaker systems have become one of the most popular configurations with DJs and musicians who are looking for more low-frequency performance while maintaining the simplicity of a single-box system. The JRX125 is actually a "quasi three-way" design. This means that the upper woofer covers lows and mids. The bottom woofer uses a lower crossover frequency and covers only lows, acting as a built-in subwoofer
. So you get the extra low-end of a dual 15" rig while maintaining the superior mid-frequency performance of a single driver system.
Frequency Range (-10 dB): 36 Hz - 16 kHz
Frequency Response (±3 dB): 45 Hz - 12 kHz
Sensitivity (1w/1m): 100 dB SPL
Nominal Impedance: 4 ohms
* Power Capacity: 500 watts
* Peak Power Capacity: 2000 watts
Recommended Amplifier Power: 500 watts to 1000 watts into 4 ohms
Maximum SPL: 133 dB
Nominal Dispersion: 90º x 50º
Crossover Frequency: 2 kHz
Dimensions (H x W x D): 1099 mm x 464 mm x 432 mm
(43.25 in x 18.25 in x 17 in)
Weight: 42.6 kg (94 lbs)
High Frequency Driver: JBL 2412 1" exit compression driver mounted on Progressive Transition™Waveguide
Low Frequency Driver: JBL M128 x 2
Input Connectors: Neutrik® Speakon® NL-4 (x1); ¼" TS phone jack (x1); parallel
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Q and A
power amps - Posted by: Howard Smith on 12/2/2010
Our church has 4 each JBL Dual 15" speakers that our praise band uses when they travel for concerts. We have been discussing what size amp do we need to power these four speakers. Can we get one amp big enough for all four or do we need two amps with 2 speakers on each amp or one amp per speaker. What do you recommend?
RE: power amps - Posted by: Dory Hornsby on 12/2/2010
I would suggest running two amps for 2 pairs of these speakers. For proper overhead you need about 900-1000 watts per speaker. Call me here at All Pro Sound at 800-925-5776 for power amp suggestions.