REL Acoustics No. 25 Active Subwoofer

₹ 900,000.00

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The innovatively-crafted REL Acoustics No. 25 Active Subwoofer is now available on Ooberpad. No. 25 commemorates and celebrates REL Acoustic's quarter-century of building the finest sub-bass systems while pointing to the future and REL's next 25 years as it employs the most meticulously-crafted design, precision engineering and craftsmanship. No. 25 combines the power of an ultra-reliable 1,000-watt amplifier, with a lightweight and perfectly balanced carbon fibre 15” driver. All this is controlled by our legendary filter sets and proprietary crossovers with 2 separate parametric equalizers permitting remarkably flat in-room response while maintaining the speed and resolution for which modern RELs have become known. 

REL wants their customers to enjoy all this performance without being limited to only a few room locations, so they built-in their legendary LongBow™ wireless receivers into every No. 25. This design leverages zero compression, resulting in stunning dynamics and bass extension without being tethered to a cable while rendering sound quality comparable to our competitor’s hardwired designs. It’s just another example of how REL aims to offer complete and thoughtful solutions.

Warranty

1-year manufacturer's warranty

Key Features:

  • 1,000 watts (RMS) Ultra High-Current Power Supply
  • NextGen3 Class D Amplifier
  • 15 in., 380mm long-throw, carbon fibre cone with inverted carbon fibre dust cap
  • -6dB at 14 Hz in-room frequency response

          Benefits of REL Acoustics No. 25 Active Subwoofer: 

          Functional Curves
          Functional Curves

          No. 25 marks a new standard in cabinet execution, both for its physical beauty and the manner in which it manages the critical backwave propagating from the rear surface of the massive 15″ carbon fibre piston at its heart. The shape of No. 25 is designed to disturb and cancel much of the incredible force created by the inward stroke as No. 25 reloads for your music or film’s next set of demands. It is necessary to keep this backwave as silent as possible, while allowing the driver to “breathe” without compressing dynamics. The curvilinear cabinet walls deflect, diffuse and dissipate these waves into smaller cross plane waves. Minimizing rear waves that eventually emerge as comb filtering — noise that cancels the primary bass — is what creates clear, purposeful bass that strides into a room with tremendous energy and clarity. 
          Comprised of 30mm thick (about 1 1/8″) Australian MDF, transected by hardwood spars that break up common mode resonances within the top surface of the cabinet and down its sidewalls, REL's bracing is not unlike the spars in a ship’s hull. Some may view this as excessive, but these are the lengths REL's design team goes to to deliver the finest subwoofer extant, fully fitting of the title No. 25.

          Natural Floor to Ceiling Bass
          Natural Floor to Ceiling Bass

          When we experience bass in real time out in the world, it occurs with height to it. It strikes our sinuses, it kicks at our chest cavities, it rumbles along the floor conveying power authority and majesty. REL's Reference Line Arrays permits bass to emerge more naturally, adding a height component in how it propagates throughout the room. The bottom unit reinforces the deepest overtones, creeping and rumbling across the floor to produce room shake. The middle location provides crisp attack and articulation of kick drums or any transient-based event. The unit imparts the flutter and shimmer of all manner of instruments floating in air. Making Reference Line Arrays the Holy Grail of the REL experience and is only available with REL's Reference products. Since 90 percent of the energy produced by a system resides in the bass regions, Reference Line Arrays are the magic element missing from so many otherwise state of the art systems. This air, transparency and, of course, effortless power that Reference Line Arrays convey can’t be imagined, it can only be experienced in person.

          Agile Power - Scalable Bass, From Whispers to Boom

          It takes huge power to invest the No. 25 with the shattering dynamics of which it is capable. The rugged beast of a 1,000 watt NextGen3 amplifier that powers No. 25 has already proven itself in the field in one of our previous designs, making us comfortable with not only its startling sonic performance but also its reliability. However, No. 25 is no mere exercise in excess, but rather a thorough exposition in the art of rendering sub bass, totally, completely and with great deftness in tonality, expression and dynamics. It is this ability to not merely play loud, but to bring to life the contrast between loud and soft passages that makes REL owners so passionate about our designs. After all, dynamics are not merely the ability to play loud, but to bring to life the contrast between loud and soft passages in music or film. Ultimately, this is what makes the No. 25 the addiction it quickly becomes.

          Rigid Speed - A Carbon Fibre Core

          No. 25 has a heart of pure carbon, as REL opted for a cone material that is stronger than steel, yet incredibly light. Carefully woven from pure carbon fibre, No. 25’s 15” cone structure weighs 70% less than a 10” cone of just two years ago. This combination of incredibly light weight coupled to remarkable structural integrity is what gives No. 25 its combination of speed and power. Yet another benefit of the weight reduction strategy REL employs is that it permits near-perfect dynamic balancing of the driver, yielding ideal behavior throughout its incredible 4” of fore-and-aft stroke.

          Total Control

          Begin your relationship with REL Reference by simply picking up the remote; feel its heft, how its rounded contours fit gently in the cup of your hand. This is a carefully wrought system improvement that encourages the sort of finely detailed decisions during set-up necessary to achieve the perfect balance to the ultimate system owner. 
          REL Reference models employ remote control in order to assist and increase ease of initial set-up. REL does this knowing that once properly set, the owner will likely use it rarely during the remainder of their ownership experience as RELs truly can be set-up correctly to reproduce all forms of music and film without resorting to cheap parlor tricks like turning bass up for movies and down for music.

          Where to buy it?
          Buy REL Acoustics No. 25 Active Subwoofer online at the best price in Mumbai, Delhi, Bangalore, Chennai, and all across India. Enjoy expert, prompt, and courteous customer service from the Ooberpad team. We will help you choose better and give you all the support you need to take the right buying decision in India.


          Technical Specifications of REL Acoustics No. 25 Active Subwoofer:

          Brand & Model # REL No. 25
          Type
          Closed box, front-firing driver
          Active Driver Size & Material 
          15 in., 380mm long-throw, carbon fibre cone with inverted carbon fibre dust cap
          Passive Radiator Size & Material 
          N/A
          Low Frequency Extension
          -6dB at 14 Hz
          Input Connectors
          High Level Neutrik Speakon, Low Level stereo RCA, LFE RCA, LFE XLR, SMA for wireless antenna
          Output connectors
          High Level, LFE RCA, LFE XLR Daisy Chain Outputs
          Power Output
          1,000 watts (RMS) Ultra High-Current Power Supply
          Amplifier Type
          NextGen3 Class D
          Wireless Capability Longbow (Optional), Zero Compression, Individual discrete D/A and A/D Encoders
          Fully Electronic Set Safe Yes
          D.C. Fault Yes
          Output Short  Yes
          Mains Input voltage 220-240 volts, 110-120 volts for certain markets
          Fuses 7 Amp semi delay 230 volts operation, 15 Amp semi delay 115 volts operation
          Dimensions (W x H x D)
          29 x 21.3 x 30 in. (736.5 x 540 x 762 mm)
          Net Weight 168 lbs. (76 kg)
          Finish
          Piano Black Lacquer, 12 coats
          Supplied Accessories Mains Lead - Yes
          Neutrik Speakon - Yes (10 Meters Nominal)
          Interconnect - N/A
          Users Manual - Yes

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