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    REL 212/SX

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    REL 212/SX

    The latest in the long line of S-Series Subwoofers designed and manufactured by REL Acoustic.

    The 212/SW has been developed to encompass all the stunning features of the 212/SE and build upon these plus added depth, realism, and control, this new subwoofer has been designed with high-end performance in mind.


    In redefining the 212 platform, REL sought to make it better in every way by eliminating minor weaknesses and improving on its considerable strengths. Our engineering and design team have developed a number of products that in one small way or another eclipsed some aspect of the original’s performance.

    The 212/SX is faster, better controlled, and quieter – meaning it resolves much finer details – than the original. In doing so, it renders the SX more explosive and dynamic because the greater quietness, itself the result of using carbon fibre blades on the rear of each driver to stiffen and quiet, stretched the dynamic envelope noticeably.

    REL also implemented the PerfectFilter of the latest series to extend and flatten the extremely low bass. As well, it optimizes the ay the extreme upper bass transitions into air and holographic detail in the speaker’s soundstage.

    Finally, REL sought to crispen the design, making it slimmer, deeper and taller which resulted in finder control of the within the cabinet. The end result is a product better in every way from its remarkable predecessor, better looking, better performing in ways unique to REL, while better resolving dynamic shadings. Simply speaking, the 212/SX has stretched the performance and design envelope of the 212 range to take advantage of the latest technologies and craftsmanship. Finer, more beautiful and better sounding confirms a trait REL has always been associated with.


    212/SX specifications.

    Type: two front firing active woofers, one down-firing passive radiator, and one rear firing passive radiator.

    Active Drive Units: 12in., 300, long-throw, die cast aluminium chassis

    Passive Radiator Rear: 12in.m 300mm, die cast aluminium chassis

    Passive Radiator Down: 12in., 300mm

    LF Response in Room 18Hz at-6dB

    Input Connectors: High Level Neutrik Speakon, Left and Right Low Level RCA, LFE RCA, LFE XLR

    Gain Control Range: 80dB

    Power Output:800 Watts (RMS)

    Phase Switch: Yes: 0-180 degrees

    Amplifier Type:Next Gen 3 Class D

    REL AirShip Wireless Capability : Yes – REL AirShip system required, sold separately

    Protection System

    Fully Electronic with 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 220 volts operation, 15 Amp semi delay 120 volts operation

    Dimensions (WHD): Including feet and rear control panels, 14 ¼ x 33 x 20 ¼ in., (362x 838 x514.5mm). Add 1.75 in (44.5mm) in depth when using a High Level Connector.

    Net weight: 128lbs (58kg)

    Shipping Weight: 153 lbs (69kg

    Finish: Gloss Piano Black

    Supplied Accessories

    Mains Lead: Yes

    Neutrik Speakon Interconnect Yes (10 Meters Nominal)

    Users Manual: Yes

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