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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 ...

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 ...

He has been reviewing speakers and other audio products for more than 30 years. We tested several new amps and added the Aiyima D05 to Other stereo amps and receivers worth considering.

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 ...

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 ...

"The Gen 3 feels like you are viewing the older iteration in 4K – there's greater detail and nuance in the tone": Boss Katana 50 & 100 Gen 3 Boss is sharpening the blade of their cutting-edge practice ...

If voltage is like water pressure, amperage is like the rate of water flow. “Amps” is the common shorthand for this. When ...

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 ...

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 ...

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