Preamplifiers Archives | Page 4 of 5

Universal Preamplifiers using – NE5532 – LM382 – 741

You have a good power amplifier and speaker. You are listening to music. But the sound is very light. The problem has many reasons. One reason for the problem is…

January 26, 2018Preamplifiers, Amplifiers9 Comments

Preamplifiers Amplifiers

Simple Electronic Stethoscope circuit

This is Electronic Stethoscope circuits. Usually the stethoscope is a medical device that listens to the heartbeat. Which we can make it with the least amount of electronic equipment so easy to make.

August 26, 2017Preamplifiers, Amplifiers1 Comment

Preamplifiers Amplifiers

Passive tone control circuit

The Passive tone control circuit, to adjust bass-treble with no the expansion, use equipment R and C only, to filter frequency,easy without power supply! [...]

April 28, 2017Preamplifiers, Amplifiers10 Comments

Stereo tone control circuit using IC TDA1524A

Preamplifiers Amplifiers

TDA1524 | Datasheet | Stereo-tone and Volume control circuit

The Mini stereo tone control circuit with IC, circuit diagram use just IC-TDA1524 and a few parts, It adjust Volume, Balance, Bass, Treble in small circuit

April 1, 2017Preamplifiers, Amplifiers9 Comments

Preamplifiers Amplifiers

Active Bass Boost circuit using IC-741

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.

February 3, 2015Preamplifiers, Amplifiers14 Comments