Sunfire HRS-12, HRS-8, HRS-10 Overview, Driver, Tracking Downconverter Amplifier, Sub/LFE

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Overview

The Sunfire HRS subwoofers are designed to give you the best possible low-frequency sound quality for your Home Theater and music playback expe- rience. They incorporate a tremendously powerful built-in amplifier to produce tight, seismic, denture-rumbling bass that you can feel as well as hear.

There are three models in the high resolution series: the HRS-8, HRS-10, and the HRS-12. (The number represents the driver diameter in inches.) The control panel, connections and operation are the same for each subwoofer model, and this manual covers all three models.

Each subwoofer has controls for adjust- ing the crossover frequency, phase, and volume. They also have line-level and speaker-level inputs for easy incorpor- ation into existing systems, or as part of a subwoofer/satellite speaker combination.

The Driver

To have lots of bass requires the move- ment of lots of air. To achieve this, the subwoofer's driver has been designed to travel back and forth approximately five times further than a normal driver. This gives lots of air movement and massive bass performance.

The Tracking Downconverter

Amplifier

The large movement range of the driver generates greater air pressure inside the box than a conventional driver. In order to create this range of movement, we designed a drive amplifier that is much more powerful than an ordinary amplifier.

A signal compressor circuit kicks in automatically if the input signal level reaches a level that would overload the driver. This maintains a ceiling on the output without clipping.

If the input signal is driven even further, a ‘soft clipping’ circuit is enabled. This allows the driver to put more sound into the room to satiate the power hungry user, but without distortion or damage to the driver. This produces extremely high sound pressure levels (SPL) in your room without the driver banging against its mechanical stops.

Sub/LFE

In this manual, the term “Sub/LFE” is used to denote the subwoofer or Low Frequency Effects output, commonly found on Home Theater processors and receivers.

User's Manual

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Contents Subwoofer Important Safety Instructions Contents Care Introduction FeaturesUnpacking Driver OverviewTracking Downconverter Amplifier Sub/LFEControl Panel Features Volume PhaseLine-Level Inputs Crossover Frequency High-Pass OutputsAC Power Considerations InstallationHeat Magnetic FieldsSpeaker-level connections ConnectionsLocation Using two SubwoofersConnections to a preamplifier’s subwoofer output System ConfigurationsConnections using Y cables Main Outputs Using the line-level high-pass outputsSubwoofer’s two negative posts are joined internally com Using the speaker-level inputsRecord your favorite settings here Adjusting the controlsSpecifications Not enough bass in a 5.1 system TroubleshootingNot enough bass No auto turn on HumNo auto turn off Service Assistance Limited WarrantyHigh Resolution Series Subwoofer

HRS-12, HRS-10, HRS-8 specifications

The Sunfire HRS series offers a range of high-performance subwoofers that cater to audiophiles and home theater enthusiasts alike. Among the notable models in this series are the HRS-12, HRS-10, and HRS-8, each delivering exceptional sound quality and powerful bass response.

The HRS-12 is the flagship model, featuring a 12-inch driver and a powerful 2000-watt peak amplifier. It utilizes Sunfire's patented High Pressure Drive technology, which allows for a remarkable output-to-size ratio. This means that despite its compact design, the HRS-12 can reproduce deep, driving bass that fills any room. The subwoofer also incorporates a unique dual opposing driver configuration, which minimizes distortion and enhances sound clarity by canceling out unwanted vibrations.

Next in the lineup, the HRS-10 features a slightly smaller 10-inch driver, but it still maintains impressive performance. With a 1200-watt peak amplifier, the HRS-10 is capable of producing rich, deep bass that complements movie action sequences or music performances. This model also benefits from the same High Pressure Drive technology, ensuring that users experience minimal distortion, even at high volume levels.

The HRS-8, with its 8-inch driver, is designed for those who desire quality sound in a more compact form factor. Despite its smaller size, this subwoofer is powered by a 600-watt peak amplifier and delivers surprisingly deep bass. Ideal for smaller rooms or setups that need discreet audio solutions, the HRS-8 still excels in performance, making it a favorite for apartment dwellers or those with limited space.

All models in the Sunfire HRS series incorporate advanced features such as adjustable phase control, variable crossover frequencies, and a front-firing design that allows for flexible placement options. This means users can fine-tune their listening experience according to their room's acoustics and personal preferences.

In summary, the Sunfire HRS-12, HRS-10, and HRS-8 subwoofers exemplify the brand’s commitment to delivering powerful, high-quality bass in a variety of formats to suit different needs. Whether in a home theater setup or a music listening environment, these subwoofers ensure a deep and immersive experience, making them standout choices in the marketplace. Their combination of advanced technology, thoughtful design, and exceptional performance solidifies their reputation among audio enthusiasts.
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