NHT SubOne i User Manual
Also see for SubOne i: Owner's manual
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!! Glossary of TermsActive: 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 fullrange 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 fullrange 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 whichreproduces these frequencies.Ohm: A unit of electrical resistance; that which opposes an electric current in a conductor. In audio, a measure of the load presentedby 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 wooferand 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.1414 |
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