REL Acoustics S/812 Active Subwoofer

₹ 325,000.00

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Ooberpad proudly announces the availability of the feature-packed REL Acoustics S/812 Active Subwoofer. The dynamic S/812 takes REL’s medium chassis concept to reference-like levels of performance and does so with style, beauty and devastating power. It packs a punch with superb levels of all-around performance for both music and film sound, gives customers a taste of what our reference models offer, and does so at a fraction of the cost. For S/812, every aspect of the previous generation’s inner workings were examined without regard to its critical and customer-driven success. REL turned a fresh eye to power requirements, driver improvements, and specialty filters, upgrading each to extract all the extra performance possible. All this alongside the cabinet refinements necessary for those upgrades to emerging cleanly. This breakthrough S range is a positive and winning development that has exceeded every expectation of REL's design team.

REL's requirements were for far stronger deep bass output between 19-35 Hz, vastly improved theatre dynamics, and an even more open and spacious sound field which is advantageous for both music and film. REL turned to their NextGen5 amplifier, tuned to 800 watts, with high reserves of power beyond this, added a light film of carbon fibre to the rear of the driver to handle the extra power, and crafted two new sets of custom filters to extract the utmost in brute force and spaciousness. Finally, REL has imbued 812 with the ability to be stacked in 4- or 6-unit line arrays, just like their reference models.


1-year manufacturer's warranty

Key Features:

  • 800 watt NextGen5 Class D amplifier 
  • 12 in., 300mm long-throw, Continuous CastAlloy™ cone structure, cast chassis active driver
  • 12 in., 300mm Carbon/Carbon flat cone structure, steel chassis passive radiator size
  • -6dB at 19 Hz in-room frequency response

      Benefits of REL Acoustics S/812 Active Subwoofer: 

      Invisibly Upgrades to S/812’s Bass Engine
      Invisibly Upgraded

      S/812 required upgrades to its ContinuousCast™ Alloy Cone to allow it to survive the massive power upgrades. To permit its thin, aluminum cone to survive 800 watts and incredibly long stroke, we added an ultra-lightweight backing of pure carbon fibre, strategically placed over portions of the rear surface of the cone. This produces two benefits; it strengthens and stiffens the cone and also eliminates reversion, wherein the backwave inside the cabinet is now prevented from interfering with the main launch of bass into the room. The result is more accurate and far louder deep bass.

      Super Progressive Passive Radiator
      Super Progressive Passive Radiator

      REL's uniquely tuned passive radiators use special suspensions, now with an additional 30mm of linear travel, to produce performance far beyond conventional subwoofers. Our new SuperProgressive™ passive radiator produces extremely long travel allowing for very loud output while retaining the variable stiffness of its suspension. This allows it to act like a sealed box compact 12” design at low volume and a high output 14” design at its limit.

      800 Watts and Counting

      At 800 watts the NextGen5 amplifier is borrowed from REL's reference models and rocks huge reservoirs of power and current. The 45% increase in power (previous version was 500 watts) is needed to deliver both the profound output levels needed for modern theatre, as well as to produce the deepest bass in a high end 2-channel system. This increase in power is necessitated by our development on the musical front of an all-new circuit termed PerfectFilter™ that balance both frequency extremes. PerfectFilter performs two seemingly disparate qualities; extending the strong, even response of the extreme low end of bass frequencies while simultaneously opening up air and delicacy in the middle and high frequencies of one’s system. Additionally, REL has applied customized PureTheatre™ filters to allow S/812 to deliver the most awe-inspiring theatre effects ever offered in a classic REL.

      Stacked for Ultimate Performance -  SERIE S Line Arrays
      Stacked for Ultimate Performance -  SERIE S Line Arrays

      In the real world, bass occurs with width, depth and height. By stacking up to three units per side (stereo or theatre main L-R speakers) the proper perspective and height of sonic events are illuminated. This elevates reproduction from conventional stereo or theatre to a floor to ceiling panoramic, full scale perspective of each sonic event. Reviewers are lining up to marvel at the transformation of music and film into the full-scale representation that REL Line Arrays uniquely deliver.

      Where to buy it?
      Buy REL Acoustics S/812 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 S/812 Active Subwoofer:

      Brand & Model # REL S/812
      Front-firing active driver, down-firing passive
      Active Driver Size & Material 
      12 in., 300mm long-throw, Continuous CastAlloy™ cone structure, cast chassis
      Passive Radiator Size & Material 
      12 in., 300mm Carbon/Carbon flat cone structure, steel chassis
      Low Frequency Extension
      -6dB at 19 Hz
      Input Connectors
      High Level Neutrik Speakon, Low Level stereo RCA, LFE RCA, LFE XLR
      Output connectors
      Hi Level Neutrik Speakon, LFE RCA, LFE XLR
      Power Output
      800 watts (RMS)
      Amplifier Type
      NextGen5 Class D
      Wireless Capability Yes- REL AirShip system [required]. Sold separately.
      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 5 Amp 220 volts operation, 9 Amp 120 volts operation
      Dimensions (W x H x D)
      17.5 x 18 x 20 in. (430 x 455 x 514 mm)
      Net Weight 75 lbs. (34 kg)
      Piano Black Lacquer, White Lacquer, 8 coats
      Supplied Accessories Mains Lead - Yes
      Neutrik Speakon - Yes (10 Meters Nominal)
      Interconnect - No
      Users Manual - Yes

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