Orianthi sought to blend the sound of a Dumble she’ll “never forget” with two other classic amps for her new custom combo ...

After a brief review of the history of the K2-W vacuum-tube op amp, an LTspice model is used to create its schematic in ...

In this video, learn how to build a rotating TV antenna with the highest efficiency, designed to rotate 360 degrees. This antenna is powered by an amplifier, and the entire circuit construction is ...

Recognizing the nonlinear behavior of the 12AX7 vacuum tube, used in audio and old op-amp applications, Dr. Dyer compares various models for fit to real-world device data.

Many Hackaday readers have an interest in retro technology, but we are not the only group who scour the flea markets.

In a nutshell, sound localization involves detecting sound from four microphones simultaneously, identifying the highest ...

Skyhawkson] got ahold of an Apollo-era printed circuit board which he believes was used in a NASA test stand. He took high ...

Make a portable audio simple amplifier. Homemade amplifier for speakers UK and France ready to send troops to Ukraine I Want To Buy A $250,000 Annuity – What's The Monthly Income It'll Bring In?

UIF registration system works poorly. Four years after the landmark Concourt Mahalangu ruling, domestic workers are still unable to access compensation. Archive photo: Bernard Chiguvare / GroundUp ...

or by opting for a pre/power amplifier pairing where the necessary preamp and power amp duties are housed in separate boxes. But the most simple, convenient, space-efficient and indeed popular option ...

Avino Silver & Gold offers significant leverage to rising precious metals prices, both from increasing production rates and a sizable resource base. Quickly improving cash flow/profitability and a ...