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Homepage / Audio Amplifier / Pre-amplifier

Category: Pre-amplifier

Pre-amplifier circuit

Transistor Guitar Preamp Schematic

DIY Guitar Transistor Preamp

By Amplifier CircuitPosted on April 11, 2016

Here the circuit design for DIY guitar transistor preamp. It consists of a circuit of two transistors and four controls […]

Stereo Pre-amp Circuit with Volume and Tone Control

Stereo Pre-amp with Volume and Tone Control

By Amplifier CircuitPosted on June 20, 2015

This is the circuit diagram of stereo pre-amp with volume and tone control. When using one of our amplifiers (big […]

Multidirectional microphone amplifier

Multidirectional microphone amplifier

By Amplifier CircuitPosted on May 18, 2012May 18, 2012

This Multidirectional microphone amplifier circuit is often used in a panel discussion or a meeting room to capture the audio […]

Low impedance pre amp circuit diagram

Pre Amplifier with low impedance input

By Amplifier CircuitPosted on February 27, 2012

Preamplifier circuit diagram shown here has a low impedance input characteristics, therefore is suitable for use with magnetic transducers: dynamic […]

Preamplifier for magnetic phono cartridges

Preamplifier for magnetic phono cartridges

By Amplifier CircuitPosted on February 14, 2012February 14, 2012

This amplifier circuit is intended to be added to the preamplifier which does not have a phono input. Such a […]

Hydrophone preamplifier circuit

Hydrophone Preamplifier based on Op-Amp OPA37

By Amplifier CircuitPosted on January 2, 2012January 8, 2012

This is Hydrophone preamplifier circuit diagram, designed to be used with a transducer type EDO6166, and is taken from an […]

Simple RIAA pre amp

Simple RIAA Preamplifier using Logic IC CD4069

By Amplifier CircuitPosted on December 25, 2011December 25, 2011

The simple RIAA preamplifier circuit is just to show that we can sometimes change the role of a component. It […]

RIAA stereo preamp

RIAA Stereo Preamplifier Classic Version based on NE5534

By Amplifier CircuitPosted on December 24, 2011December 25, 2011

Here the RIAA stereo preamplifier classic version based on NE5534. This setting is intended for use with a vinyl turntable […]

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Amplifier Circuit Diagran 2009
 

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