REL Acoustics Serie R Operating Instructions Manual

REL Acoustics Serie R Operating Instructions Manual

Sub-bass system

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Operating Instructions for the
Serie R
Sub-Bass System
REL Acoustics Limited
North Road, Bridgend industrial Estate
Bridgend, CF31 3TP
United Kingdom
Telephone: +44 (0)1 656 768 777
Fax: +44 (0) 1 656 766 093
Web: www.REL.net

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Summary of Contents for REL Acoustics Serie R

  • Page 1 Operating Instructions for the Serie R Sub-Bass System REL Acoustics Limited North Road, Bridgend industrial Estate Bridgend, CF31 3TP United Kingdom Telephone: +44 (0)1 656 768 777 Fax: +44 (0) 1 656 766 093 Web: www.REL.net...
  • Page 2 This item is heavy. To avoid risk of injury, take care when handling. Welcome Thank you for buying a REL Serie R Sub-Bass System. Each Serie R model is carefully hand-built using the finest materials available and is designed for maximum performance. This manual contains important safety information as well as helpful advice and should be carefully studied before connecting your unit.
  • Page 3 The Serie R is equipped to allow you to take full advantage of AC3, Dolby Digital, DTS, MPEG 2 and any other digital sound format that includes a dedicated Low Frequency Effects (LFE) channel.
  • Page 4 R-528 represents the final step-up in the Serie R platform and, as is REL tradition, imbues the largest model in the range with superlative depth and scale. Numbers do not tell the full story here, as the weight and power of R-528 at full song is prodigious indeed.
  • Page 5 Always switch off your system before connecting or disconnecting any wires. To increase the versatility of connecting up, each Serie R model is equipped with two separate inputs. A Neutrik Speakon socket and a single phono socket. This is to facilitate use with both two channel stereo systems and AV surround sound systems.
  • Page 6 Using the Low-Level Inputs .1 Input: This requires a phono-to-phono cable and is a dedicated true .1 channel. This circuit therefore eliminates the normal Natural RollOff Crossover and passes the .1 low-level signal through with only the required 120Hz 4th order crossover.
  • Page 7 2 When possible, the REL should be placed in one of the corners behind the speakers. Remember, we are dealing with true LOW bass pressurization with RELs. Low bass pressurization below 40Hz is best derived from corner placement, where the most linear and efficient low bass can be produced. Connecting and Setting Up High-level connection, using the enclosed cable with the Neutrik Speakon connector, is always the first choice.
  • Page 8 4 Placement: The next step is to determine precisely how far out from the corner the sub should be placed to achieve the most efficient output, as well as the lowest frequency extension. With the REL fully into the corner, and pointing straight out along the diagonal coming out of the corner, continuing to play the music, slowly pull the REL from the corner on the diagonal, equidistant from both side and rear wall.
  • Page 9 Technical The Serie R models use an unusual method of bass loading. It is designed to operate below normal system resonance. This has been achieved without the normal form of bass boost or electronic equalization. Instead of a constantly increasing bass equalization response, we simply ensure there is sufficient amplifier gain to drive the speaker unit to its maximum excursion level at whatever the designated lowest operating frequency is, and then cut the bass at a controlled rate of 12 dB per octave above this frequency.
  • Page 10 R-528 Specifications 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:...
  • Page 11 R-328 Specifications Type: Passive Radiator, front-firing active woofer, down-firing passive radiator Active Drive Unit: 10 in., 250mm long-throw, steel chassis Passive Radiator: 12 in., 300mm Lower Frequency Response in Room: 22Hz at -6 dB Input Connectors: Hi Level Neutrik Speakon, Lo Level single phono, LFE phono Gain Control Range: 80 dB Power Output:...
  • Page 12 Net Weight: 29 lbs. (13.2 kg) Finish Gloss Piano Black Lacquer Supplied Accessories Mains Lead: Neutrik Speakon Interconnect 10 Metres Nominal: Users Manual: In the interest of product development, REL Acoustics Limited reserve the right to vary these specifications without notice.

This manual is also suitable for:

Series r

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