Rel R-528 Active Subwoofer
Rel R-528 Active Subwoofer 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 Rel R-528 Active Subwoofer at full output is prodigious indeed. The Rel R-528 Active Subwoofer 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 Rel R-528 Active Subwoofer is capable of underpinning speakers with quality low-frequency extension that cost ten times its own price. The Rel R-528 Active Subwoofer 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.
A special proprietary REL High-Level Input cable is provided with each Rel R-528 Active Subwoofer and is the preferred method of connecting the Rel R-528 Active Subwoofer to your main speakers. This cable joins the Rel R-528 Active Subwoofer to your system by connecting to the left and right channel speaker terminals of your amplifier or surround-sound receiver. This allows the Rel R-528 Active Subwoofer 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.
In order to take full advantage of the Low Frequency Effects channel (LFE), a channel intended for low-frequency content in film soundtracks, provided with the Rel R-528 Active Subwoofer is 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.
Rel R-528 Active Subwoofer Specification:
- Type; Passive Radiator, front-firing active woofer, down-firing passive radiator
- Active Drive Unit: 12 in., 300mm long-throw, steel chassis
- Passive Radiator: 12 in., 300mm
- Lower Frequency Response in Room: 21Hz at -6 dB
- Input Connectors: Hi Level Neutrik Speakon, Lo Level single phono, LFE phono
- Gain Control Range: 80 dB
- Power Output: 500 watts (RMS)
- Phase Switch: Yes, 0 or 180 degrees
- Amplifier Type: Class D
- 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, 5 Amp semi delay 230 volts operation, 9 Amp semi delay 115 volts operation
- 34.8 lbs / 15.8 kg
- WxHxD, Including Feet and Rear Panel Controls: 15.5 x 17.5 x 17.2 in., (394 x 445 x 436 mm)
- Net Weight: 58 lbs. (26.3 kg)
- Finish: Gloss Piano Black Lacquer
- Supplied Accessories
- Mains Lead: Yes
- Neutrik Speakon Interconnect 10 Metres Nominal: Yes
- Users Manual: Yes
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