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Preamplifier
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==Examples== * The integrated preamplifier in a foil [[electret microphone]] * The first stage of an [[instrument amplifier]], the output of which is then sent to the power amplifier. With instrument amplifiers, the preamp is often designed to produce [[distortion (music)|overdrive]] or distortion effects. * A stand-alone unit for use in [[live music]] and [[recording studio]] applications * Part of a stand-alone [[channel strip]] or channel strip built into an audio [[mixing desk]] * A [[Radio masts and towers|masthead]] amplifier used with [[television]] receiver [[antenna (electronics)|antenna]] (For a receiver far from the antenna, it amplifies the signal and noise from the antenna, reducing the negative effects of the necessary cable length; for an antenna near a receiver, such an amplifier only adds noise.) * A component in the electronic part of a [[satellite]] [[Receiver (radio)|receiver]] dish * A circuit inside of a hard disk drive or tape player connected to the magnetic heads, or the circuit inside of an optical disc drive (such as CD) which connects to the [[photodiode]]s * A [[phono stage]] amplifying the signal from a [[phonograph]] [[Magnetic cartridge|cartridge]] to the ''line-level'' input of common power amplifiers * A [[switched capacitor]] circuit used to null the effects of mismatch offset in most [[CMOS]] comparator-based [[flash analog-to-digital converter]]s * Due to their unique coloration, some preamplifiers can be emulated in software to be used in mixing.
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