Learn how power amplifiers work, the common types, and what to lookout for when shopping for amps. You have to find out if the amplifier is a Class A/B analog amp or a Class D digital amplifier before ...

Does the Mercury/Solis pairing tick all the boxes?

Power operational amplifiers (POPs) are becoming increasingly common in control circuitry. Their primary advantages over conventional amplifiers are reduced part counts, increased reliability, and ...

The Yamaha C-5000/M-5000 pairing is an impressive, well-engineered performer ...

If you’re building a hi-fi system, amplification is a necessary cog in the chain. While your source (turntable, streamer etc) plays your music and your speakers output it, the middle-man amplifier ...

Today, vinyl is at its most popular since the late 1980s. Record sales have been on the rise for the last 18 years (every year since 2006) and new record plants are opening up for the first time in ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Brent Butterworth Brent Butterworth is a writer dedicated to audio gear. He ...

In systems with multiple supply voltages, operational amplifier power supplies must be established simultaneously with, or before, any input signals are applied. If this doesn’t happen, overvoltage ...

Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Steve reviewed audio products for CNET and worked as a freelance writer for ...

Typically, amateur radio operators use the minimum power needed to accomplish a contact. That’s just part of being a good spectrum citizen, and well-earned bragging rights go to those who make ...

From large panels to harvested microwatts from a few photodiodes, solar power is increasingly prevalent in autonomously powered systems. With the worldwide evolution toward lower power operation using ...