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preamplifier    
n. 前级扩大机,前置增幅器

前级扩大机,前置增幅器

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  • Preamplifier - Wikipedia
    A preamplifier, also known as a preamp, is an electronic amplifier that converts a weak electrical signal into an output signal strong enough to be noise-tolerant and strong enough for further processing, or for sending to a power amplifier and a loudspeaker [1]
  • What Is a Preamp, and Do I Really Need One?
    A preamplifier takes care of everything that needs to be done before the audio signal (sent from the music source) is amplified and sent onwards to the system’s speakers
  • What Is a Preamp? - How-To Geek
    Like the name implies, the preamp or preamplifier sits before an amplifier in your audio signal chain In most setups, the preamp is the very first stop on the road to your speakers after coming out of your playback device
  • Preamplifier : Circuit, Working, Types, Advantages Its Uses
    A preamplifier or preamp is an electronic amplifier used to change a weak electrical signal to a strong electrical signal which is strong enough to send it to a power amplifier as well as a loudspeaker
  • Preamplifier : Circuit, Working, Types, Differences Its Applications
    What is a Preamplifier? A preamplifier is an electronic amplifier that removes the signal from the detector without considerably degrading the intrinsic S N ratio The preamplifier features mainly include; tone control, digital inputs of versatility balance adjustment
  • Preamplifiers: What They Are, How They Work, Types and Differences
    A preamplifier, or preamp, is an electronic device that amplifies weak audio signals—such as those from microphones or instruments—without significantly affecting the original signal-to-noise (S N) ratio
  • Recommended Components 2024 Edition Preamplifiers - Stereophile. com
    This well-engineered, tubed line preamplifier offers single-ended, transformer-coupled balanced inputs and outputs A unique "Presence" control knob applies high-frequency rolloff with five choices of corner frequency
  • Recommended Components 2026 Edition Preamplifiers - Stereophile. com
    “A great preamplifier will allow through so much information, so much of the music, that the shortcomings of lesser speakers and amplifiers can be forgotten The Pass Labs XP-32 satisfies that definition,” he concluded In a follow-up, JCA compared the XP-32 with the two-chassis XP-22





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