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:: Home » Amplifiers » Preamplifiers » Page 5

Preamplifiers

Active Bass Booster circuit using IC-741

Last Updated on: June 25, 2022 by Apichet Garaipoom
purpose bass booster circuit

This is a general-purpose bass booster circuit. Why should you use this? You are listening to your favorite song. But it lacks many flavors. Friends said No Bass! Buy a new one amplifier right now. Stop… It is true. Your amplifier may less bass. But before buying a new amplifier. Try this, it probably better.

Categories Preamplifiers, Amplifiers Tags Tone control, IC-741, Low pass filter 14 Comments

Guitar preamp circuit – over drive using 12AU7

Last Updated on: November 23, 2021 by ElecCircuit.com
Guitar preamp circuit – over drive using 12AU7

This Guitar preamp circuit for over drive before to the power amplifier or headphones. It is a very clear sound no noise. Because use 12AU7 vacuum tubes […]

Categories Preamplifiers, Amplifiers Tags Amplifier for guitar 9 Comments

Very simple amplifier circuit using transistor 2N3904

Last Updated on: June 25, 2022 by Apichet Garaipoom

It is Very simple amplifier circuit using transistor 2N3904 only, low noise than normal IC circuits, low distortion,frequency response: 20 Hz to 20 kHz.

Categories Preamplifiers, Amplifiers Tags 2N3904, NPN transistor circuit 10 Comments

Bass Treble tone control circuit diagram

Last Updated on: September 8, 2020 by Apichet Garaipoom
active-tone-controls-by-transistor

This is Bass treble tone control circuit diagram as ideas, we have two circuits both transistors ,ICs-op amp as main, so smaller, but high gain signal.

Categories Preamplifiers, Amplifiers Tags BC109, Tone control 6 Comments
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