preamp

Example:The studio engineer used a high-quality preamplifier to boost the audio signal from the microphone.

Definition:an electronic device that boosts and cleans up signals from low-level inputs or sources to a form suitable for further processing or transmission

Example:The signal booster improved the reception of weak TV signals in the far corner of the room.

Definition:an electronic device or amplifier that enhances the strength of a weak electrical signal

Example:The preamp was the first stage of the amplifier, boosting the signal before it went to the power amplifier.

Definition:an electronic device for increasing the power of an electrical signal

Example:The signal amplifier improved the strength of the audio signal from the phonograph pickup.

Definition:an electronic device that amplifies weak signals to a usable level

Example:The audio amplifier was essential for broadcasting the amplified audio signal over the speakers.

Definition:an electronic device that amplifies an audio signal