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New... REL S/850 Subwoofer
S/850 is built for uncompromising performance, blending power with refinement. Featuring an 850-watt Linear Class D amplifier, advanced CarbonAlloy™ drivers, and innovations from our Reference line, it delivers explosive dynamics, nuance, and effortless scale. UK orders will begin shipping the week of October 6th.
Premium Wood Grille orders ship the week of November 15th.
850-watt Linear Class D Amplifier
12" CarbonAlloy™ Active Driver with 12" Long-Stroke Passive Radiator
Music & Theatre Systems, Medium-to-Large Rooms
Stereo Pairs & Line Arrays
Optional Premium Wood Grille Available. As a natural wood material, grain and color variations are expected and unique to each grille
Stunning Design Meets Raw Power
S/850 stands as the benchmark of the Serie S line, with its design innovations shaping and elevating its three stablemates. Every improvement is sweeping and comprehensive, ensuring the entire Serie S family benefits from the advancements pioneered in the S/850.
The results are spectacular: it delivers incredible attack and output beyond even the former Carbon Special at the very limits of performance, yet with the precision, quietness, and clarity that produce true dynamic range. Lightning-fast transients, deep effortless bass, and tonal richness combine to deliver nuance that elevates both music and theatre.
Designed to be Perfect
The S/850 cabinet is longer, lower, wider, and deeper—proportions that give it a naturally dynamic presence. Subtle design details refine its look and feel: clean creases that catch the light, warm silver-gold badges with a titanium-like finish, and stainless-steel handles recessed into graceful ellipses. Beneath each front rail, precision-milled billet cylinders provide exact leveling, while thick internal aluminum slabs secure the handles for safe stacking in Line Arrays. Designed to complement modern interiors, the S/850 also offers an optional Premium Wood Grille, adding warmth and individuality.
Specifications
Type - Front-firing active driver, down-firing passive
Active Driver Size & Material - 12 in. (305mm) long-throw, CarbonAlloy™ cone structure, die cast alloy chassis
Passive Radiator Size & Material - 12 in. (305mm), Carbon/Carbon flat cone structure, steel chassis
Low Frequency Extension -6 dB at 19Hz
Input Connectors - High Level Neutrik Speakon, Low Level (2) RCA, (1) LFE RCA, (1) LFE XLR
Output Connectors - High Level Neutrik Speakon, (1) Low Level RCA, (1) LFE RCA or (1) LFE XLR
Power Output - 850 watts (RMS)
Amplifier Type - Linear Class D
Wireless Capability - REL AirShip Direct (sold separately)
Finish - Piano Black Lacquer, Gloss White Lacquer 8 coats
Protection System - 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 - 8 Amp semi delay 220 volts operation, 15 Amp semi delay 120 volts operation
Supplied Accessories
Mains Lead - Yes
Neutrik Speakon - Yes (10 Meters Nominal)
User Manual - Yes
In the interest of product development, REL Acoustics Limited reserve the right to vary these specifications without notice.
Delivery Standard Shipping and Click & Collect
Payment Secure payment available
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