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 ...

Much like vinyl records, tube amplifiers are still prized for their perceived sound qualities, even though both technologies have been largely replaced otherwise. The major drawback to designing ...

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.

The EX Series features two audiophile-grade hi-fi components: the EXN100 music streamer ($1,799) and the EXA100 integrated amplifier ($2,199). The latter is most exciting. Not only are integrated ...

Its revolutionary electrostatic loudspeakers, the 1957-released Quad ESL, are the most prominent example. But the Quad 303 stereo amplifier and Quad 33 preamplifier — both originally released in 1967 ...

Note: Original NAD M23 test report was published on 09/20/22 NAD M23 Master Series Amplifier Utilizes Class D Amp Topology The NAD M23 amplifier utilizes the PuriFi Class D topology which is a high ...

If you're looking to dig into the world of hi-fi systems that consist of a separate stereo receiver or integrated amplifier that powers a set of passive speakers — whether your passion is ...

AV receivers are classified based on how many speakers they can power. The more amp channels and power, the higher the price. Room correction Room correction adjusts your speakers’ performance ...

A signal amplifier should only be used as a last resort when the television signal is weak. Even the best amplifier will still add some noise to the television signal it is amplifying/boosting ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The stereo amplifier is the beating heart of any hi-fi separates system. You can have all the ...

Read more about our Product Review Guidelines here. Amp ($1,795) is the newest addition to the world of smart fitness equipment, and it's unlike anything I've tried before. At first glance ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. You see, headphone amplifiers boast performance-first audio circuitry and have been designed ...