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 ...

For the PDF version of this article, click here. Designing a high-speed, high-current amplifier able to deliver at least 50 V RMS is no simple task. For whatever the amplifier will be driving — a ...

The need for high power in the VHF, UHF, and microwave bands has led to transistors that can easily supply tens to hundreds of watts at RF frequencies to 10 GHz and beyond. Most of these devices are ...

United Monolithic Semiconductors' CHA8265-98F is a three-stage, high-power amplifier operating between 27.5 and 31 GHz. It ...

The Outlaw Model 5000 is a 5 channel 120 watt amplifier that over-delivers in power & performance. Great sound on the cheap without peer at $599. Best amp deal of the year? Watch our YouTube review.

If you ever wanted to build your own tube amplifier but you were intimidated by working with high voltages, [Marcel]’s low-voltage tube amp design might spark your interest. The design operates with a ...

In Part 1, I discussed the background behind lock-in amplifiers. Here, I’ll cover analog and digital lock-in amplifiers, software-defined radio, de-embedding, and the hardware and software ...

Emotiva introduces an affordable line of fully balanced hi-fi separates for a discounted package price of $2,599. Tennessee-based Emotiva has built its reputation since 2003 by focusing on performance ...

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, ...