Sunfire HRS-10, HRS-8 Line-Level Inputs Crossover Frequency, High-Pass Outputs, Phase, Volume

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6. Line-Level Inputs

8. Crossover Frequency

These connect with RCA type cables from the line-level outputs of your receiver or preamp. Here are two examples:

If your processor or receiver has a single subwoofer output, connect it to the subwoofer’s left input jack (see page 11). There is no need to use the subwoofer’s right input jack.

If your processor does not have a subwoofer output, use “Y” adapters at the processor outputs (see page 12). In this way, you can send the processor’s full-range output signals to your main amplifier and to the subwoofer at the same time.

7. High-Pass Outputs

Signals from these output jacks are a direct copy of the signals going into the input jacks of the subwoofer, with the exception that the bass below 70 Hz has been removed by a fixed high-pass crossover circuit. This handy feature lets the subwoofer control all the bass in your system, and you can use an external amplifier and smaller satellite speakers to control the mids and highs. (See the hookup diagram on page 13.)

We recommend using this high-pass function with small main/satellite speak- ers that are not designed to reproduce low frequencies. If you are used to the sound from smaller speakers, this op- tion will really bring your system alive.

If your main speakers are capable of operating full range, you will not need to use the high-pass function.

This controls the crossover frequency between 30 Hz and 100 Hz. If it is set to 30 Hz for example, the subwoofer will reproduce those frequencies below 30 Hz. Rotating the control clockwise will smoothly increase this frequency range up to 100 Hz.

In the bypass position, the crossover control has no effect. You should set this to bypass if your processor has its own subwoofer crossover frequency control.

If your processor does not have its own subwoofer crossover frequency control, rotate this control until the bass sounds natural. If the mid-bass sounds natural but you want more low bass, turn the crossover frequency down a little, then turn the volume up by about the same amount. This increases the low-bass output while leaving the mid-bass output the same.

9. Phase

This controls the relative phase of the subwoofer with respect to your other speakers. Use this to help blend the subwoofer with the rest of your system.

Adjust the control in small increments as you listen for the most bass at your listening position. As a final trim, readjust the crossover frequency and volume controls after the phase control has been set.

10. Volume

This control lets you match the output level of the subwoofer to the level

of your satellite/main speakers. The subwoofer output will increase as this control is rotated clockwise. When installing your system, turn this down first before turning on your subwoofer, to prevent any loud surprises.

User's Manual

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Contents Subwoofer Important Safety Instructions Contents Unpacking Introduction FeaturesCare Sub/LFE OverviewDriver Tracking Downconverter AmplifierControl Panel Features High-Pass Outputs PhaseVolume Line-Level Inputs Crossover FrequencyMagnetic Fields InstallationAC Power Considerations HeatSpeaker-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 TroubleshootingNot enough bass in a 5.1 system No auto turn off HumNo auto turn on 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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