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Serie R Overview
Serie R was conceived as a maximum value proposition in the entire
REL product range possessing many of the performance attributes
of our legendary Reference Sub-Bass Systems, yet realized to be
more compact and affordable. This fresh design approach offers superiority
in all regards over the previous R-Series through improved amplification,
vastly better filter networks and upgraded cabinet and driver designs.
Models R-528 and R-328 feature both active front-firing and a down-firing
passive radiator while R-218 employs a single active driver in the
down-firing configuration. The range excels in drive, extension,
ease and musicality wherein their speed mixes with the greater body
and heft to produce an altogether more profound musical event.
Each Serie R model is available in a stunning hand-rubbed piano
black lacquer that will grace your living environment as well as
your stereo music or film sound system.
The R-528
R-528 represents the final step-up in the Serie R range and, as
is REL tradition, embodies the largest model with superlative depth,
scale and slam. Numbers do not tell the full story here, as the
weight and power of R-528 at full output is prodigious indeed. The
R-528 receives a Heavy 12™ active bass-engine coupled to a
VariCone™ 12" carbon Fibre ABR passive radiator producing
the equivalent of a 16" driver in an even larger cabinet. The
digital power amplifier employed produces an effortless 500 watts
with the aforementioned components means the R-528 is capable of
underpinning speakers with quality low-frequency extension that
cost ten times its own price. The R-528 is all about speed and detail
as reproduced by the Heavy 12™ active driver, which is actually
the fastest diver in the series with the best impulse response.
Naturally, its capabilities suggest careful pairing, although it
is capable of filling even grand salons with powerful, clean, fast
and extended deep bass.
REL Connectivity
A special proprietary REL High-Level Input cable is provided with
each REL Sub-Bass System and is the preferred method of connecting
the REL to your main speakers. This cable joins the REL to your
system by connecting to the left and right channel speaker terminals
of your amplifier or surround-sound receiver. This allows the REL
to receive the exact same signal as your main speakers, providing
for a seamless integration of low frequencies into your system.
This is a very important point and together with REL's Natural RollOff™
circuitry, ensures far superior system integration of the Sub-Bass
System with the main system. The High-Level connection is active
whether you use your system in two-channel music or surround-sound
mode. This connectivity method offers noticeable sonic improvements
over the common RCA low-level interface by not only delivering the
missing low frequencies by creating the realization of a "lifelike
illuminated acoustic space", otherwise known as the "REL
effect." Virtually any conventional separate power amplifier,
integrated amplifier or receiver can be used with REL Sub-Bass Systems.
Even most Class D amplifiers can interface as REL incorporates REL-D™
circuitry providing the appropriate impedance and grounding for
digital amplification.
REL Theater Reference™
In order to take full advantage of the Low Frequency Effects channel
(LFE), a channel intended for low-frequency content in film soundtracks,
REL provided a .1/LFE input. Most multi-channel processors or surround-sound
receivers incorporate a special subwoofer output that bypasses any
internal crossover circuitry. It is with this output LFE content
can be accurately reproduced and controlled independently of the
High-Level input signal. Additionally, both High-Level and .1/LFE
signals can be used and adjusted simultaneously in a multi-channel
system. By supporting both main, centre and surround speakers with
bass reinforcement, your system will sound more realistic, musical
and alive through improved dynamics, range and scale of the music
or film score.
R-528 Key Model Features:
3 Separate Rotary Controls for (1) Hi/Low Level (2) .1/LFE Level
(3) Crossover Frequency.
Dedicated inputs for Hi Level (Speakon), Low Level (RCA and .1
(RCA).
Extremely low crossover points that allow "seamless"
blending with any loudspeaker.
Proprietary REL-D™ digital amplifier input provides the appropriate
impedance and grounding environment for most Class D amplifiers.
Piano Black Lacquer Finish.
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