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...

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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...

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1086
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6CY7 dual triode valve amplifier
Audio

6CY7 dual triode valve amplifier

Josh built this 6CY7 dual triode valve amplifier: I’ve always wanted to know what the “tube magic” was all about. There is much opinion in the science of music production, probably because music and its perception is highly personal and subjective. Ive always imagined that since...

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Audio amplifier board supports Beken BK3266 Bluetooth 5.0 chip
Audio

Audio amplifier board supports Beken BK3266 Bluetooth 5.0 chip

IC station has posted a $10.59 audio amplifier board that supports Bluetooth 5.0 via Beken BK3266 Bluetooth audio chip. For the board to work, you will have to connect buttons, a microphone and 10W or 15W speakers. The hardware setup has to be completed with a power source and an...

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UNI: World’s Most Advanced True Wireless Earbuds
AudioProducts

UNI: World’s Most Advanced True Wireless Earbuds

360-hour Battery Life with Charging Case | Superior Sound Quality | IPX-7 Waterproof | Bluetooth 5.0 UNI TWS is the world’s most advanced true wireless earbuds designed with superior Hi-Fi sound and ultra-long playtime. It’s your perfect workout companion with secure fit and an...

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ApplePi DAC Audio HAT Add-on For The Raspberry Pi Features 24-bit DAC And A 128dB SNR
AudioRaspberry Pi

ApplePi DAC Audio HAT Add-on For The Raspberry Pi Features 24-bit DAC And A 128dB SNR

Orchard Audio quickly exceeded its $5K Kickstarter goal for its ApplePi DAC HAT board, which it is promoted as “the most advanced and highest performance sound card hat for the Raspberry Pi.” You can order the add-on board from May 13 starting at $175. Options include a $5...

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Nui – IR Volume Controller
Audio

Nui – IR Volume Controller

Alvaro Prieto made an IR volume controller and wrote a post on his blog detailing its assembly: Nui is an IR controlled volume controller for analog audio. It sits between your audio source and speakers and can amplify or reduce the volume using IR commands (and eventually BLE). Why do...

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MEMS technology shrinks loudspeakers
Audio

MEMS technology shrinks loudspeakers

Miniature MEMS-based speakers could revolutionize speech and music reproduction in mobile communication devices. They combine the advantages of a large frequency bandwidth and high acoustic quality with the ability to generate very high sound levels. Nevertheless, they are so tiny that...

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