Is the Quad 3 stereo amp's sound performance as appealing as its aesthetic?

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 ...

Find out if the Monolith 8125X and 8250X power amplifiers might be the right solution for your speaker setup. Monoprice has been releasing a lot of speakers and subwoofers recently (for more ...

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

Teac is a Japanese hi-fi great with a history dating back to the mid-1950s. It’s best known for its high-end audio equipment, including reel-to-reel machines, cassette tape decks and amplifiers. Now, ...

NEC has developed a GaAs-based power amplifier that achieves what it believes is the world’s highest output power of 10 mW in the 150-GHz band. Built with mass-producible GaAs technology, the device ...

We earn commissions from purchases you make using links in our articles. Learn more. For many car owners, the stock stereo just won't cut it and thankfully there are plenty of cost-efficient ways to ...

The British hi-fi maker is making its audiophile-grade components even better for modern listening spaces.

This year, Neural built on that success with the Quad Cortex mini, which shrinks the device size in half, cuts the footswitches to four, and lowers the price to $1,400—but still offers the full ...

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 ...

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 ...

When building a radio transmitter, unless it’s a very small one indeed, there’s a need for an amplifier before the antenna.