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. This is because these very low frequencies are not being boosted by your room Without the ABC you would never be able to hear them properly in your room. Increase the Gain control until this deep bass is heard. Slowly increase the coarse control one step at a time. If one position appears too much, reduce to the lower setting then increase the Fine control a notch at a time until there is a good match between the two systems. It may be necessary, also, to readjust the Gain control.

Do not worry if it is not immediately obvious which setting is correct. It is sufficient at this stage that you perceive that there are differences and that one is too extreme in each direction ,i.e. on maximum settings there is too much bass and at minimum settings there is too little. It will be necessary to test with different types of music with different instruments. At this stage try and get a roughly correct setting.

STORM has a phase reversal switch to allow partial cancellation of the frequencies around the crossover point between the two systems. Listen to the quality of the bass with the phase normal and reversed. Choose the position which subjectively offers the tightest and cleanest bass.

It may take several days before you are completely satisfied that you have found the final best setting. Your acuteness and ability to perceive very subtle differences will improve over these days, possibly because you may not have previously had the opportunity to hear very deep bass in your room. With the ABC you can site STORM almost anywhere you choose. If the bass sounds too prominent, simply reduce one of the filter controls a notch. If there is a "hole", increase one of the filter controls until it is filled in. It is often surprising just how much effect the room is having on the bass response. Sometimes even quite small speakers appear to need very low settings of the ABC. If this is the case, accept it and feel pleased that your stereo imaging extends down so far. It is always better to try and set up for a subtle, rather than an overblown effect if possible. However, personal taste is the over-riding factor here. If it suits your ears, it is correct.

STORM is designed as a true sub-bass speaker. It is designed to reproduce those exceptionally deep notes that are felt rather than heard. This it will attempt to do at whatever volume you set on the gain control on its panel. If set too high the driver cone will simply run out of movement with the lowest notes, causing a "crack" to be heard. If this warning is not heeded and the unit is continuously played in this manner, permanent damage will be done to the driver. This damage is NOT covered by Warranty. Please remember, STORM is there to supplement your main system, not overwhelm it!

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REL Acoustics Storm manual
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Storm specifications

The REL Acoustics Storm is a high-performance subwoofer designed for audiophiles who demand exceptional sound quality in both music and home theater applications. It embodies REL's commitment to creating subwoofers that not only deliver deep, powerful bass but also seamlessly integrate with other speakers to create a balanced, immersive listening experience.

One of the standout features of the Storm is its innovative design, which includes a large, high-excursion driver. This driver is crafted to produce low-frequency sounds with remarkable clarity and impact, enabling users to feel the depth of the bass rather than just hearing it. With a frequency response that typically extends down to 20 Hz, the Storm is capable of reproducing the most robust bass notes, ensuring that every detail of music and soundtracks is accurately rendered.

The Storm utilizes advanced technologies that set it apart from other subwoofers. One such technology is its unique High-Level input, which allows for a direct connection to the main speakers. This connection method is designed to preserve the integrity of the audio signal, providing a more natural bass response that complements the existing speakers rather than overpowering them. The integration is further enhanced by the REL's proprietary "Crossflex" crossover technology, which optimizes the frequency distribution between the subwoofer and the main speakers.

Another notable characteristic of the Storm is its compact cabinet design. Despite its powerful performance, it manages to maintain a relatively small footprint, making it suitable for a variety of living spaces. The cabinet is constructed from high-quality materials, ensuring durability while minimizing resonance and sound coloration.

The user-friendly controls on the Storm make it easy to customize the performance to match individual preferences and room acoustics. With adjustable phase and crossover settings, users can fine-tune the integration of the subwoofer with their primary sound system. Additionally, the subwoofer includes a remote control feature, allowing for convenient adjustments without the need to access the unit directly.

In conclusion, the REL Acoustics Storm combines state-of-the-art technology with thoughtful design elements to provide a subwoofer that excels in both music playback and home theater settings. Its blend of deep bass performance, seamless integration capabilities, and user-friendly features makes it a top choice for anyone looking to elevate their audio experience.
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