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Homepage / Audio Amplifier / Pre-amplifier

Category: Pre-amplifier

Pre-amplifier circuit

Mono mic pre amp

Mono Preamplifier based on SSM2017 and SSM2142

By Amplifier CircuitPosted on October 18, 2011December 23, 2011

This circuit is a mono preamp for use with a dynamic microphone or electrostatic. It has a phantom power and […]

Mono microphone pre amp

Mono Preamplifier based on TL062

By Amplifier CircuitPosted on October 18, 2011December 23, 2011

This circuit is perfect pre-amp to amplify the signal from a mono microphone. It is based on the use of […]

Electret mic pre amp

Electret Microphone Pre-amp based NE5532

By Amplifier CircuitPosted on October 12, 2011December 24, 2011

The mic preamplifier described here is designed to connect a small electret microphone. The Electret microphone pre amp scheme is […]

Mic pre amp

Microphone Preamplifier based TLC251

By Amplifier CircuitPosted on October 12, 2011December 24, 2011

Mic Preamplifier described here is designed for dynamic type microphones, the impedance between 200 ohms and 1 ohm. Its uniqueness […]

Guitar preamp, based on an FET BF245 and BF256

Guitar Pre-amp based on an FET BF245 and BF256

By Amplifier CircuitPosted on September 29, 2011December 23, 2011

Guitar preamp, based on an FET BF245 and BF256 type. Very easy to build, operate with 9 V battery. Unlikeprevious […]

FET guitar pre amp

Guitar pre amp based FET

By Amplifier CircuitPosted on September 28, 2011December 23, 2011

The circuit is called a guitar preamp, but actually not, because the gain is close to 1. However, due to […]

Guitar pre amp

Guitar pre amplifier based TL071

By Amplifier CircuitPosted on September 21, 2011December 23, 2011

The Guitar preamp circuit is very simple, using only a single integrated circuit, a type TL071 OP AMP. The title […]

Guitar pre amp

Guitar Pre-amp Circuit based TL072

By Amplifier CircuitPosted on September 17, 2011December 23, 2011

This guitar pre amp circuit has a high input impedance unbalanced and two balanced outputs completely independent set to deal […]

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Amplifier Circuit Diagran 2009
 

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