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preamplifier Definition

pre·ampli·fier (prē am′plə fī′ər)

noun

in a radio, phonograph, etc., an auxiliary amplifier for boosting the voltage of a weak signal before it reaches the input of the main amplifier

preamplifier Usage Examples

Converse of object

contain: Receiver Single unit containing a preamplifier, a power amplifier, and a tuner.

Adjective modifier

  • p5: The IS P5 preamplifier is required for transmission to the safe area through barriers.
  • high: Microphone Input The SWP123 includes a high quality microphone preamplifier and features an XLR connector for easy connection to low impedance, balanced microphones.
  • state-of-the-art: The BCD2000 is packed with 2 state-of-the-art phono preamplifiers, one of which is switchable to a CD player.

Modifies a noun

  • stage: Line stage preamplifier Stage of a preamplifier which accommodates all sources other than a turntable.
  • output: A SPDT relay is used to switch between mic preamplifier output or loudspeaker input.
  • card: The 9088iis contains two preamplifier cards for the analog inputs: each card handles four of, the inputs.

Noun used with modifier

  • microphone: The second channel can also be used with a suitable microphone preamplifier for sound measurements.
  • phono: The BCD2000 is packed with 2 state-of-the-art phono preamplifiers, one of which is switchable to a CD player.