This amplifier was used to power the most iconic music festival. Over 55 years later, it's considered one of the greatest ...

A glance at any outlet through which Chinese modules can be bought will find this type of tube in small audio amplifier projects, and some of them can be astoundingly cheap. When faced with cheap ...

Dive into the incredible restoration of a 16-transistor amplifier as each part is carefully checked, cleaned, and restored to perfection. This project includes washing and repairing every component ...

It’s safe to say that most projects that feature a VFD emphasize ... such as this nifty audio preamp using VFDs as active components. The inspiration behind [JGJMatt]’s build came from the ...

but the company’s first product was in fact an audio amplifier that you could connect to stand-alone speakers. After ...