REL Operating Instructions for the STORM Sub-Bass System REL Acoustics Ltd North Road, Bridgend Industrial Estate Bridgend, Mid-Glamorgan, CF31 3TP United Kingdom Telephone: 01 656 768 777; Fax: 01 656 766 093; International: +441 656 768 777 International: +441 656 766 093
WELCOME Thank you for buying the REL STORM Sub-Bass system STORM has been carefully hand crafted from the finest materials available and we are sure that it will give you many years of listening pleasure. This manual contains important safety information as well as helpful advice and should be carefully studied before connecting up. World Wide Warranty In addition to any local Warranty, REL offer a 3-year conditional Worldwide Warranty to the end user. It is done in collaboration with our Distributors .
CONNECTING UP Always switch off your system before disconnecting any wires. To increase the versatility of the choice of connecting up, Storm has three entirely separate sets of input sockets, two Neutrik and one pair of phonos. The first Neutrik is a dual channel (stereo) unbalanced input at high level designed to accept the much higher level signals from the speaker terminals of the power amplifier.
R/H R B L/H R B Amplifier Speaker Outputs Red Neutrik Speakon Yellow Interconnect (Supplied) Black To Subwoofer High Level Input Fig. 1 2. Connect the Mains lead to STORM and to the mains and switch ON. To Connect to a Dedicated Sub-woofer Output: See Fig. 2 1. For this connection it will be necessary to use whatever type of connector is needed by this output. Normally it would be a phono type connector.
3. Connect the Mains lead to STORM and to the mains and switch ON. To Connect to Bridged ( Monoblock) Amplifiers: See Fig. 3 1. Connect to the amplifier using the Neutrik interconnect supplied with Storm. Connect the RED and YELLOW cores to each of the positive terminals of the amplifier, ( It does not matter which way around the red and yellow are connected ). Connect the BLACK core to ground.
Initially, test the effect of the controls with STORM sited in any convenient position in your listening room. Check that the phase switch is in the Normal position. Turn the two filter controls fully clockwise (maximum bandwidth) and the gain to minimum. Play some music with known bass content, then adjust the gain control for similar sound levels from your main system and your STORM. Now reduce both filter controls to minimum. Notice that the level of the bass has almost disappeared.
ADVANCED SETTING UP It is an unfortunate fact that most listening rooms are not perfect. Most suffer from various problems, particularly in the bass. This is why the majority of sub-woofers will not work effectively in most systems - they simply overwhelm the system, causing boom and a poor bass performance. All REL sub-bass systems incorporate special circuitry which we call the Active Bass Controller, or more simply the ABC.
POSITIONING STORM WITHIN YOUR ROOM Ideally, STORM should be positioned mid-way between your main speakers but pushed back as far against the wall as possible. This will help with sound integration between the two different sources. It seems that we humans prefer to listen to plane waves rather than spherical. Waves become planar as they travel away from the source, just like waves expanding from a stone dropped in a pond. The further the waves travel, the more planer they become.
provoke trouble through the main speakers. Where this occurs, shortening the signal leads will usually effect the cure. RUNNING-IN Care taken over running-in will be rewarded by many years of pleasurable use. Both the electronics and the drive units will benefit from an initial period of carefully controlled use. During this period, permanent damage can be sustained by running the unit at too high a volume setting.
7. Do not try to modify or "improveā the design by putting things into the reflex port. It is not necessary to switch off between listening sessions - it will not significantly shorten its life by leaving it switched on. On the other hand, it will not harm sound quality if it is always switched off. The power consumption in the quiescent state is negligible. It is perfectly safe under all normal domestic circumstances as it is fully protected.
SPECIFICATION Type Linkwitz-Riley Loading Enclosure volume 40 litres Input connectors Two Neutrik Speakon and one pair phono Gain control range 40dB Amplifier type DC coupled complementary MOSFET Input impedances: High Level Unbalanced Two Channel 100K Ohm High Level Balanced One Channel 100K Ohm Low Level 10K Ohm unbalanced Power output 100W RMS, 200W Peak Drive Unit Heavy duty Cast chassis 26cm Frequency Range 18 - 120 Hertz (Upper frequency dependent on user setting of ABC) Phasing Positive or reversed M
reserves the right to vary this specification without notice. Please Note This apparatus is designed to Class II specification and is double insulated, therefore it does not require to be earthed. UK OPERATION This apparatus is supplied with a fitted three pin mains plug. A 5 amp fuse is fitted in the plug. Should the fuse need to be replaced, use a 5 amp fuse approved to ASTA or BSI 1362. Do not use without the fuse cover in place. Replacement fuse covers are available from your dealer.
the wire coloured Brown must be connected to the terminal marked with the letter "L" or coloured Red. Revised July 9rd 1997, Nov 11th 1997 This product is CE marked and has been tested to ensure it satisfies all relevant standards for EN 50081-1 using the limits of EN 55022 class B and IEC 801 - 4 wherever relevant. It satisfies all tests for Conducted Emissions, Radiated Emissions, Susceptibility and Immunity.