Subwoofer Amplifier Controls and Setup

IMPORTANT NOTICE REGARDING BASS MANAGEMENT: It is important the signal being sent to the subwoofer be a non-boosted or “flat” signal. To be sure of this, check the settings on your receiver or processor to make sure any “bass boost”, “super bass” or “loudness” is set to Off. In most cases a home theater receiver or processor will determine the crossover frequency through bass management settings. In this configuration, connect the receiver or processor to the Line Level Input. Your subwoofer will now reproduce the bass frequencies the way they were originally recorded. Use the subwoofer level control and the individual bass management control within the receiver or processor to adjust the subwoofers’ volume if necessary. Once set, the volume controls should not need to be altered as the subwoofers’ volume will track with the master volume control of your receiver or processor.

This section describes the functions and/or use for each of the amplifier controls located on the back of the subwoofer. Refer to the diagrams on the pages 8 and 9.

1.Voltage Selector Switch: Before connecting the amplifier to any power source make sure the AC Voltage Selector is set to either 110V or 220V to match the power voltage in your area.

WARNING! If the voltage setting does not match the AC power supplied, damage to the Subwoofer Amplifier may result.

2.Volume/Gain Control: The volume/level control should be at the minimum setting (all the way counter-clockwise) before plugging the subwoofer into an AC wall socket. Once plugged in, turn the level control up one quarter of a turn (9 o’clock position) for an initial setting. The level control may be adjusted while playing to match the subwoofer level with the rest of the system.

IMPORTANT! The volume control should be at the minimum setting (all the way counter-clockwise) before plugging the subwoofer into an AC wall socket.

3.Crossover Frequency Control: The variable crossover frequency control allows you to set the low-pass crossover point of the subwoofer anywhere from

40-150 Hz. If using this input experiment with setting the crossover frequency control at highest setting initially. Increasing the crossover frequency will allow more mid-bass output from the subwoofer. Decreasing the frequency will allow only deeper bass from the subwoofer.

NOTE: Read the Important Notice regarding bass management above.

4.Auto Signal Tracking: The subwoofer amplifier uses “smart” signal tracking circuitry. Once the power cord is plugged in and the switch set to auto, the amplifier automatically turns on when a signal is detected at the preamplifier or high level inputs and turns off when no signal has been detected for 15 minutes.

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RBH Sound S-12, S-10 owner manual Subwoofer Amplifier Controls and Setup
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S-10, S-12 specifications

RBH Sound is known for producing high-quality audio equipment that caters to audiophiles and home theater enthusiasts alike. Among its impressive lineup are the S-12 and S-10 subwoofers, both of which deliver powerful performance and advanced technologies designed to enhance any listening experience.

The RBH S-12 is a robust 12-inch subwoofer that combines extraordinary bass response with refined musicality. It employs a high-efficiency proprietary driver specifically designed to handle the low-frequency demands of modern music and cinema. With an impressive 400-watt RMS wattage and 800-watt peak power, the S-12 is capable of producing deep, thunderous bass that can fill large spaces. This subwoofer features a unique ported design, which allows for greater air movement and enhanced low-frequency extension, ensuring that every note is heard with clarity and impact.

In contrast, the S-10 is a more compact 10-inch subwoofer that still delivers a punchy bass performance but in a smaller form factor, making it ideal for tight spaces or smaller home theater setups. It boasts a 300-watt RMS power rating and a 600-watt peak capability, ensuring that it can still provide an engaging bass experience without overwhelming the room. The S-10 incorporates innovative acoustic tuning technology which allows for seamless integration with the main speakers, providing a balanced sound signature.

Both models utilize RBH's advanced amplifier technology, which includes features such as low-frequency optimization and automatic room correction. This technology allows the subwoofers to adapt to the room's acoustics and deliver uniform bass response throughout the listening area. The powered subwoofers also come equipped with a range of connectivity options, including both line-level and speaker-level inputs, enabling easy integration with various audio systems.

Moreover, the sleek cabinets of both the S-12 and S-10 are crafted from high-quality MDF, finished with a modern aesthetic that can seamlessly blend into any décor. The advanced internal bracing ensures minimal resonance while maximizing the integrity of the sound produced.

In conclusion, the RBH Sound S-12 and S-10 subwoofers epitomize quality, performance, and versatility. Whether reinforcing the dynamic range of music or the explosive effects of a movie, these subwoofers are engineered to elevate any audio experience to unmatched levels. With their advanced features and high-performance capabilities, they remain prime choices for serious audio enthusiasts looking for superior sound reproduction.
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