!Glossary of Terms

Active: Uses electrical power.

Amplifier: An electronic device that increases the current of a signal, providing power to the loudspeakers (i.e. power amplifier, inte- grated amplifier, receiver).

Barrier Strip: A row of speaker connectors with screw-type locking mechanisms.

Bass: The range of audio frequencies below 160Hz, characterized by low pitch.

Crossover: An electronic circuit that divides an audio signal into different frequency ranges.

Distortion: Any deviation from the original signal, caused by any type of equipment.

Driver: The moving part of a loudspeaker which radiates energy.

Dynamics: Variations in loudness of sound.

Frequency: A rate of vibration which corresponds to musical pitch in the audio band, expressed in Hertz (Hz).

Full Range: A signal encompassing the entire frequency spectrum, not filtered above or below a certain frequency.

Hertz (Hz): A unit of equal to one cycle per second, used to measure the frequency of a signal or sound.

High-Pass Filter: A filter that passes only frequencies above a certain lower limit; electronically removes low frequencies from a full range signal.

Impedance: A measure of the total opposition to current flow in an alternating current circuit, described in ohms.

In Phase: The polarity of an audio signal when connected as follows: (+) to (+) and (-) to (-).

Integrated Amplifier: Has preamplifier and amplifier built into one chassis.

Interconnect Cable: A length of shielded wire with plugs at both ends for feeding signals from one electronic device to another.

L.F.E.: “Low Frequency Effects”; an RCA output for connection to a subwoofer.

Line-Level Connection: Low level RCA/phono type connection.

Load: A term used to describe the impedance which a speaker presents to an amplifier.

Low-Pass Filter: A filter that passes only frequencies below a certain upper limit; electronically removes high frequencies from a full range signal.

Main Speakers: Front L & R channel speakers, sometimes referred to as satellites.

Main-In:A line-level RCA input on the back of a receiver, integrated amplifier or power amplifier.

Midrange: The frequency span of the middle of the audio range, roughly 160Hz - 1300Hz. Also used to describe the driver which reproduces these frequencies.

Ohm: A unit of electrical resistance; that which opposes an electric current in a conductor. In audio, a measure of the load presented by a device to an electrical source.

Out-of-Phase:The polarity of an audio signal when connected as follows: (+) to (-) and (-) to (+).

Passive: Uses no electrical power.

Phase: An expression of the relative polarities of two identical signals.

Power Handling: The ability of a loudspeaker to operate without distortion when given varying amounts of power.

Preamplifier: An electronic device that selects sources and passes line-level signal to amplifier.

Pre-Out:A line-level RCA output on the back of a receiver, integrated amplifier or preamplifier.

Receiver: Has preamplifier, amplifier and tuner built into one chassis.

Satellite: Front L & R speakers when used with a subwoofer. Referred to as “main speakers”.

Sensitivity: A ratio of how much of the input electrical power is converted into acoustic power, measured in decibels.

Signal: The series of continually changing electrical voltages that correspond to variations in the loudness of the original sound.

Speaker-Level Connection: The connection between a loudspeaker and an amplifier.

Sub Out: An RCA output for connection to a subwoofer.

Subwoofer: A driver designed to operate over the low bass portion of the audio range. Also refers to a system consisting of a woofer and its enclosure which are physically separate from the upper range loudspeakers.

Surround Speakers: Speakers located in the side or rear for surround channel effects.

 

Treble: The upper part of the frequency spectrum, consisting of frequencies above about 1300Hz.

 

Tweeter: A small driver designed to reproduce high frequencies.

 

Watt: A measure of electrical power, combining the voltage with the electrical current required to drive the loudspeaker.

 

Weight: Low frequencies below 50Hz.

 

Woofer: A driver designed to operate over the bass portion of the audio range.

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NHT SubOne i user manual Glossary of Terms
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SubOne i specifications

The NHT SubOne i is a remarkable subwoofer that combines cutting-edge technology with high-performance sound engineering, making it an exceptional choice for audiophiles and home theater enthusiasts alike. Designed to deliver deep, powerful bass while maintaining clarity, the SubOne i elevates any audio experience, whether it be music, movies, or gaming.

One of the main features of the NHT SubOne i is its innovative driver design. It utilizes a 10-inch high-excursion woofer that provides an expansive low-frequency response down to 28Hz. This feature ensures that listeners feel the full depth of sound, from the rumble of thunder to the subtle details of a bass guitar. The woofer's advanced materials and construction allow for precise movements, resulting in low distortion and high output levels.

Complementing the driver is an advanced Class D amplifier that delivers 300 watts of continuous power and peaks at 600 watts. This efficient amplification means that the SubOne i can easily handle dynamic soundtracks, ensuring that every crash and explosion in movies comes through with breathtaking intensity. Notably, the amplifier is also designed to monitor the woofer's performance, adapting in real-time to prevent clipping and distortion.

Versatility is another hallmark of the NHT SubOne i. It provides multiple connectivity options, including both RCA and LFE inputs, ensuring compatibility with a variety of audio sources, from AV receivers to music systems. A built-in crossover allows users to adjust the subwoofer's frequency response, tailoring the audio output to match their specific needs and room acoustics. This feature also offers phased adjustment for seamless integration with satellite speakers.

Moreover, the SubOne i features a sleek, modern design with a robust cabinet construction that minimizes resonance, thereby enhancing sound quality. The enclosure is strategically designed to reduce vibrations, resulting in a tighter, more controlled bass response.

In terms of usability, the NHT SubOne i is designed with user-friendly controls located on the rear panel. Users can easily adjust volume, phase, and crossover settings for quick and intuitive customization.

With its powerful performance, advanced technologies, and exceptional build quality, the NHT SubOne i stands out as a premier choice for those seeking to enhance their listening experience. Whether for a professional-grade home theater system or a high-fidelity music setup, the SubOne i is sure to impress, providing deep, rich bass that transforms any space into an immersive auditory haven.
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