The DSR115 Active Loudspeaker features an ideal combination of advanced digital sound processing and the latest acoustic technologies for Integral Di...Click To Read More About This Product
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A pair of active 2-way speakers with 1300W of Class-D power.
The DSR115 Active Loudspeaker features an ideal combination of advanced digital sound processing and the latest acoustic technologies for Integral Digital Tuning, plus Yamaha's D-CONTOUR (Dynamic-CONTOUR) multiband dynamic processing for Intelligent Dynamic Control. The DSR115 is loaded with 2 Class-D amplifiers with a PFC (Power Factor Correction) switching mode power supply. One amplifier deliver 850 watts to a premium grade 12" neodymium woofer with 3" voice coil and a second amplifier supplies 450 watts to a large 2" high purity titanium diaphragm, neodymium, high-frequency compression driver. A LTBD (Long Throw, Broad Dispersion) Constant Directivity Waveguide Horn spreads the sound across 90 x 60. The DSR115 has an impressive maximum SPL of 134dB peak.
The digital crossover networks use high-order FIR (Finite Impulse Response) filters providing linear phase response. Yamaha's proprietary FIR-X tuning technology simultaneously optimizes frequency and phase response, whilst adjusting the time alignment between the HF and LF transducers. The end result is substantially higher sound quality than can be achieved with conventional analog crossovers.
High Power DSP and 24-bit Discrete ADCs and DACs
All signals are precisely processed by a 48-bit internal processing, (76-bit accumulator), high performance processor for optimum sound quality. The DSR Series speakers employ high-precision discrete ADCs and DACs with superior S/N ratio and dynamic range. The analog signal is transmitted on dual channels, converted to digital and summed inside the processor. By using this algorithm, an approximately 3dB improvement in S/N ratio was realized. FIR-X tuning provides for the smoothest possible crossover transitions.
The D-CONTOUR multiband dynamic processor constantly monitors the amplifier output levels and adjusts the control system. This in turn varies the amount of boost in each frequency band, providing an ideal balance of dynamic sound with consistent clarity at all volume levels. D-CONTOUR can be turned on or off depending on the acoustic environment and type of sound desired.
1300W (LF 850W, HF450W) High Power, High Sound Quality Class-D Amplifiers
Yamaha's next-generation Class-D amplifiers deliver as much as 1300W of power with precision damping for tight and crisp sound from compact, lightweight modules. Through the ideal combination of amplifiers, transducers, and DSP, the DSR Series loudspeakers provide the highest levels of power in their class, while maintaining precise dynamics and sound reproduction. Efficiency is such that convection cooling is all that is necessary, eliminating the need for fans.
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Reviewed by 1 customer
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Comments about Yamaha DSR115 Speaker Pair:
I ordered this pair of DSR115's and just received them. I set one up outside next to one of my Rockville RPG15's, I know they are in extremely different categories, but I wanted to do a comparison with something to see if I could really hear a difference to justify the price tag. I was not disappointed, I can tell you that. With the RPG15 maxed out and the clipping light just barely coming on, I recorded a peak decibel level of 85.8dB and a sustained level of 81.6dB from about 40-45 feet away and it was sounding hollow, tinny and muddy. The DSR115 was set to unity and it recorded a peak decibel level of 108dB and a sustained 104.3dB fro the same distance and still sounded clear, full, punchy and rich. I didn't push it, seeing I live in town and my neighbors probably didn't appreciate the few test runs I did at unity, I didn't want to push my luck, so I called it quits. There was no sign of clipping at unity and my controlled set to zero dB, so I know these guys have a lot more to give. I'm looking forward to using them in my next gig. So far, I'm very happy with the decision to buy the DSR's over the QSC's, and JBL's. I spent about 4 weeks reading and watching every review I could find before making my decision on the Yamaha's. So far, from what I've heard they live up to all the great reviews they have received. Time will tell how well they hold up, but the 7 year warranty over the 3 year warranty on the other brands give me a bit more confidence that they will last a while.
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