Naim's high-end 500 series pre/power combination is one of the finest amplifiers money can buy ...

Mains hum from loudspeakers isn’t always caused by bad wiring, interference, or grounding issues. Sometimes the amplifier ...

The T-Reg high-voltage regulator circuit delivers clean, stable power for tube amps. Supporting output voltages up to 500 V, ...

Fezz Audio is not some boutique tube brand trying to sell Americans a misty-eyed postcard from Eastern Europe. Designed and manufactured in Poland, the new Integrated Amplifier arrives in the U.S.

Fosi Audio has announced the upcoming launch of the MD3 MagDAC, a new portable DAC/AMP designed for listeners seeking ...

The very basics of operational amplifiers. Learn comparator, inverting, and non-inverting op-amp configurations. An operational amplifier, or op amp, is a dc-coupled high-gain electronic voltage ...

Now, I’ll present some more active electronics-based devices. In Figure 1, here’s a purchased PC board module based on the ...

Probably the best inaugural amplifiers in hi-fi history ...

From sleek DACs to clever wireless add-ons, these audio gadgets bring sharper detail and richer sound to your setup without major replacements.

This new gadget can clamp magnetically to the back of a smartphone to provide an instant audio upgrade and the ability to use ...

We explore what really matters when it comes to audio technology – and how it can create a truly authentic listening ...

CRUS' smartphone, PC and power-chip momentum helped drive record revenue as investors weigh growth prospects against rising ...