KJ West One - Connoisseurs of Sound - Est. 1965
KJ West One - Connoisseurs of Sound - Est. 1965

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S/5 Subwoofer

REL Acoustics

S/5 exceeds the mandate for mid-level models and crosses this model into true reference quality. S/5 produces exceptionally low bass with tremendous impact and speed. Even difficult-to-render instruments such as pipe organs are dealt with effortlessly.Large scale, high end 2-channel systems make a perfect pairing for S/5 and grand theaters are ideal. Medium to grand rooms are appropriate. Scale is Very Large, Speed is Exceptional, Attack and Slam is Visceral.

S/5’s driver features an all-new alloy cone structure that takes REL's mid-level product to a performance that exceeds their reference products of only a few years ago. By reducing moving mass, with a balanced approach to design, REL's engineering team was able to produce far more speed than prior designs. By carefully adjusting key parameters, they were able to increase the self-quieting key to a high end component’s ability to resolve space and inner detail. Improvements in their designs translate into enhancement in your entire system.

S/5 uses a special carbon/carbon passive that is stiff, lightweight and incredibly well-behaved. REL's approach to passive design results in performance more akin to a variable ratio driver size. On an S/5, think of it as a sliding ratio design wherein the S/5 begins as an ultra-fast 12” sealed box design and, as more power and deeper bass is demanded, the S/5 gradually morphs into the power and output of a 15” design.

Beyond their proprietary drivers, the performance of a REL is determined by their unique input filters and amplifiers. REL S/5 uses a simple filter-type that is very fast—about 8 milliseconds in group delay– to cross out unwanted higher frequencies to the driver. This speed and their carefully sorted filters allow for seamless blending of RELs with the main speakers. REL do not include a high pass filter to cross out bass from the main speaker because to do so would generally produce more unwanted effects than the minor benefits such a design confers.

S/5’s power amplifier is a powerful NextGen2 550W digital amplifier. This design has powered thousands of RELs and has proven exceptionally reliable and very fast with deep, extended lows—it provides a perfect mate to the new driver.

LongBow wireless connectiviry permits very fast, uncompressed bass to be sent wirelessly within the same room approximately 45 feet (somewhat dependent upon room clutter). REL have selected an un compressed format as it results in natural, quick delivery compared with conventional wi-fi or Bluetooth systems. Because it is a REL, they developed LongBow with both high level (or low level with crossover intact) AND .1 channel delivery so that REL Theatre Reference performance can be maintained even when using the wireless delivery system.
 

REL Acoustics range

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