S/812 takes REL’s medium chassis concept to reference-like levels of performance and does so with style, beauty and devastating power. It delivers incredible levels of all ‘round 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.
THE ALL NEW S/812
SHATTERING PERFORMANCE BARRIERS
For S/812, every aspect of the previous generation’s inner workings were examined without regard to its critical and customer-driven success. We 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 emerge cleanly. This latest S range is a triumphant development that has exceeded every expectation of our design team.
Our requirements were for far stronger deep bass output between 19-35 Hz, vastly improved theatre dynamics, and an even more open and spacious soundfield which benefits both music and film. We turned to our NextGen5 amplifier, tuned to 800 watts, with huge reserves of power beyond this, added a light film of carbon fibre to the rear of the driver to handle the extra power, and developed two new sets of custom filters to extract the utmost in brute force and spaciousness. Finally, we imbued 812 with the ability to be stacked in 4- or 6-unit line arrays, just like our reference models.
INVISIBLE UPGRADES TO S/812’S BASS ENGINE
PURE CARBON FIBER BACKING
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.
THERE IS NOTHING PASSIVE ABOUT THESE:
CARBON PASSIVE RADIATOR
Our 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 producesextremely long travel allowing for very loud outputwhile 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.
WARNING: POWER AMPLIFIER ON STEROIDS
800 WATTS AND COUNTING
At 800 watts the NextGen5 amplifier is borrowed from our 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, we applied customized PureTheatre™ filters to allow S/812 to deliver the most awe-inspiring theatre effects ever offered in a classic REL.
SERIE S LINE ARRAY
STACKED FOR ULTIMATE PERFORMANCE
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.
- Type: 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 Extention: -6dB at 19 Hz
- Input Connectors: High Level Neutrik Speakon, Low Level stereo RCA, LFE RCA, SMA for wireless antenna
- Output Connectors: N/A
- 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 (WxHxD): 430 x 455 x 514 mm (17.5 x 18 x 20 in.)
- Net Weight: 34 kg (75 lbs.)
- Finish: Piano Black Lacquer, White Lacquer, 8 coats
- Mains Lead: Yes
- Neutrik Speakon: Yes (10 Meters Nominal)
- Interconnect: No
- Users Manual: Yes
We make subwoofers. That’s it. Nothing else. No distractions. Nothing to steal our focus. No kidding ourselves that we can be good at everything. No trying to conquer the whole world. We just do our best to conquer our bit of it.
Each day we come in to work in pursuit of only one intention, to produce the most raw, perfect, pure sound possible, to capture the raw intention of the artist. We use the best quality materials, employ the most exacting construction requirements. We think of the problem holistically. We pursue the chase of the perfect experience of sound with an obsessive passion and vigor.
We do it because we love sound. We believe sound can move people more than any other sense. We believe it’s the integration of the bass via the perfect subwoofer that makes everything else better. And, ultimately, there is a great deal of satisfaction to be gained from doing this well, creating something of unique quality, such that you know it is going to inspire. It makes the hard work and the obsessing over each and every detail worth all the effort. That’s our reward.
From the beginning this has been a labor of love, born from a desire for a more perfect sound experience. It began with one man’s dissatisfaction with the performance of subwoofers available at the time. That search for better, that pursuit of perfect sound remains the driving force behind REL. It has persisted through changes in ownership, it has driven massive advancements in technology and innovations in designs. Turning loose the power, the drama and the fun that lies within great music and movies.
1990 – HIGH LEVEL INPUT:
Key to this evolution was the adoption early on of a High Level connection, one that derives its input signal from the final output stage of an amplifier or receiver. This produces a seamless quality that precisely matches the sound being fed to your loudspeakers.
1998 – ABC INPUT FILTERS:
These early predecessors to the modern REL filter technology used complicated banks of rotary switches to set crossover points but while they were slow by modern REL standards they were miles ahead of the competition and served us well for almost a decade.
1998 – HIGH CURRENT AMPLIFIERS:
Current, not voltage, is what produces movement in large high powered subwoofer drivers. Our engineers ensure that our designs are incredibly robust and produce tons of current which means they not only reproduce the attack and body of a note, but also the echoes as sound dies away. All amplifiers are not the same and ours are designed specifically to reproduce the lowest of bass notes.
2005 – THE MODERN ERA:
With new ownership came fresh new ideas, efficient global sourcing of components, Silicon Valley engineering and a renewed emphasis on performance, reliability and design. Compared with products produced before this modern RELs play on average twice as loud, are twice as fast, cost far less for similar performance, and look far crisper and more modern than their predecessors.
2007 – NATURALSOUND FILTERING:
Modern REL input filters are exceptionally fast and are the true secret to producing perfect, seamless integration of the main speakers with REL subs. Simple, fast and cleverly designed to eliminate the bumps and discontinuities of competitors, these filters are the secret ingredient buried inside every REL.
2010 – MUSICAL INSTRUMENT GRADE BRACING:
All modern REL designs use heavy duty bracing designed to break up cabinet resonance modes. Many competitors use little to no bracing and those that do frequently use a simple window pane brace that creates massive turbulence and noise inside the cabinet eventually resulting in blurring of detail. On our costlier models, we employ much more elaborate bracing and materials improve all the way up to laminated hardwood braces on our Reference grade products. Proper bracing breaks up boomy cabinet resonances that destroy the correct pitch of instruments far outside the bass region.
2010 – CARBON FIBRE DRIVER CONES:
With the advent of Gibraltar, we moved decisively to the head of the class with the Holy Grail of speed ,stiffness and self-quieting in a virtually perfect bass driver. The first reference series product to emerge from the modern REL was called the G-1 and in its first three months outsold the entirety of its predecessor’s 8 year long career. Since that debut, we use carbon whenever budget permits as it imparts speed, clarity and control down low that is unparalleled.
2010 – UTRASPEED FILTERS:
These new Reference Series filters are as fast as theory permits a filter to be and many times faster than most competitors. Even something as arcane as setting correct phase becomes as clear and evident as turning on a light switch.
2014 – ZERO COMPRESSION WIRELESS:
Perhaps the name doesn’t fall trippingly from the tongue, however at a time when competitors were using antiquated Bluetooth-based systems wholly unsuitable for high end audio applications, we were setting the industry on its ear. First Longbow, using all discrete components—dedicated A/D encoders, D/A decoders and multiple dedicated power supplies and analog filters– showed how unbelievably great sounding wireless without the effects of digital compression could sound. One year later Arrow took the idea of wireless being sent broad bandwidth without the crutch of compression/expansion schemes and brought the price down by half. At REL, there is a restless urgency and a passion to get things right, then to see how far we can push these benefits down market so that the greatest number of people are helped by our team.
2016– NO. 25 ANNIVERSARY MODEL:
No. 25 commemorates and celebrates our quarter century of building the finest sub bass systems, while pointing to the future and our next 25 years as it employs our most advanced design, engineering and craftsmanship. The No. 25 combines the power of an ultra-reliable 1,000 watt NextGen3 Class D 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 for. Learn more
2018– DEBUT OF SERIE HT & HT-AIR WIRELESS:
Serie HT was designed specifically to answer the challenge of creating affordably priced, exceptionally dynamic, pure home theater powered subwoofers. With the ideal combination of a lightweight, modern CarbonGlas™ drivers coupled to a powerful Class D amplifier that runs cool, these subwoofers produce extraordinary dynamics. For REL owners already enjoying our Reference, Serie S and T/i subwoofers designed for both 2-channel and theater use, the HT series was designed to supplement their system’s .1/LFE output to produce extremely high output for chest rumbling home theater special effects.
We’ve stripped back the High Level feature from the Arrow™ wireless to provide a wireless system dedicated for Home Theater buffs, the HT-Air™. Though it is affordable, it retains our single-minded focus on delivering zero compression and maximum dynamics.
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