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A lower damping factor helps to enhance the bass response of the loudspeaker by several decibels (where the impedance of the speaker would be at its maximum), which is useful if only a single speaker is used for the entire audio range. Therefore, some amplifiers, in particular vintage amplifiers from the 1950s, 1960s and 1970s, feature controls ...
The amplifier damping factor, which is the ratio of the nominal load impedance (driver voice coil) to amplifier output impedance, is adequate in either case for well-designed solid state amplifiers. Tube amplifiers have sufficiently higher output impedances that they normally included multi-tap output transformers to better match to the driver ...
Damping factor is the ratio of the output impedance of an amplifier and connecting cables to the DC resistance of a voice coil, which means that long, high resistance speaker wires will reduce the damping factor. A damping factor of 20 or greater is considered adequate for live sound reinforcement systems, as the SPL of inertia-related driver ...
This can be calculated from the Z L of the loudspeaker (typically 2, 4, or 8 ohms) and the given value of the damping factor. Generally in audio and hifi , the input impedance of components is several times (technically, more than 10) the output impedance of the device connected to them.
A unitless measurement, characterizing the combined electric and mechanical damping of the driver. In electronics, Q {\displaystyle Q} is the inverse of the damping ratio. The value of Q t s {\displaystyle Q_{\rm {ts}}} is proportional to the energy stored, divided by the energy dissipated, and is defined at resonance ( f s {\displaystyle f ...
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All speaker drivers have a means of electrically inducing back-and-forth motion. Typically there is a tightly wound coil of insulated wire (known as a voice coil) attached to the neck of the driver's cone. In a ribbon speaker, the voice coil may be printed or bonded onto a sheet of very thin paper, aluminum, fiberglass or plastic.
Reasonable efficiency and moderate Z out (damping factor) can be achieved. These effects mean that OTLs have selective speaker load requirements, just like any other amplifier. Generally a speaker of at least 8 ohms is required, although larger OTLs are often quite comfortable with 4 ohm loads.