Phantom Powered Micro-Phone Pre-Amplifier using SSM2019
Audio

Phantom Powered Micro-Phone Pre-Amplifier using SSM2019

The project published here is based on SSM2019 IC which is a latest-generation Pro audio preamplifier. A female XLR connector is provided to connect differential Micro-phone. Circuit also provides Phantom power input, combining SSM preamplifier design expertise with advanced processing....

Continue Reading
921
Views
0 Comments
U-AMP – open source versatile audio amp
Audio

U-AMP – open source versatile audio amp

An open source universal audio amplifier called ‘U-AMP‘ @ GmanModz, that is available on GitHub: Using what I learned getting digital audio working on each systems, I set out on a new project I would call “U-AMP” (Universal-Amp). This would be ONE pcb which has the features of...

Continue Reading
1114
Views
0 Comments
Free Elektor Article: Card Sound
Audio

Free Elektor Article: Card Sound

With a smartphone or an MP3 player it’s easy to play audio files, but generally not at room strength or if you can, only in wretched quality. The Card Sound project makes it possible to fill the room with music and have excellent sound reproduction! This lightweight and compact player...

Continue Reading
1279
Views
0 Comments
Stereo volume and balance control with Rotary Encoder using MAX5440
Audio

Stereo volume and balance control with Rotary Encoder using MAX5440

The project described here is a compact stereo volume and balance control with rotary encoder. It provides 32 log potentiometer steps with buffered wiper output. The project can easily replace mechanical potentiometer. 5 LEDs indicate the volume level or balance settings , depending on...

Continue Reading
1290
Views
0 Comments
USB Powered Audio Amplifier using MAX4298
Audio

USB Powered Audio Amplifier using MAX4298

USB powered mini speaker amplifier is conveniently powered by USB and it is simple to set up. USB powered speakers are convenient for listening to your media while at home or on the go. Conventional computer speakers that require an electrical outlet to work can be prohibitive because...

Continue Reading
1488
Views
0 Comments
Mini Speaker Attached Audio Amplifier using TS4871
Audio

Mini Speaker Attached Audio Amplifier using TS4871

This Mini Audio Power Amplifier is capable of delivering 1W of continuous RMS Output Power into 8 ohms load @ 5V. The Amplifier is built using TS4871 IC from ST.  This Audio Amplifier is exhibiting 0.1% distortion level (THD) from a 5V supply for a Pout = 250mW RMS. An external standby...

Continue Reading
1667
Views
1 Comments
Differential Microphone Pre-Amplifier
Audio

Differential Microphone Pre-Amplifier

The project shown here is a microphone preamplifier that provides high quality amplification, optimized for use in computers, media and mobile applications. The pre-amplifier provides a differential input stage, making the device particularly effective when layout constraints force the...

Continue Reading
1498
Views
0 Comments
Free Download from Elektor: Supra 2.0 super low-noise MM/MD phono preamp
Audio

Free Download from Elektor: Supra 2.0 super low-noise MM/MD phono preamp

Original publication: Elektor magazine July & August 2016, Authors: Thomas Scherer and Ton Giesberts (Elektor Labs), Free download expires: Friday 30 August, 2019 Vinyl is back with a vengeance among hi-fi enthusiasts. The sound of vinyl records is something very special and cannot...

Continue Reading
2117
Views
0 Comments
Archives