Manufactured on a GaAs process, the QPA9510 RF power amplifier from Qorvo covers a frequency range of 100 MHz to 1 GHz. It delivers +35 dBm P1dB output and up to 34 dB gain, with on-chip analog gain ...

After several decades, researchers are finally getting a grasp on when an odd and destructive type of oxygen arises in chemical reactions in living cells and certain batteries. Not all oxygen ...

What Is a Tube Amplifier? Tube amps are made using vacuum tubes, which were invented in 1925. Using a glass bulb akin to a light bulb, tube amps take a weak signal and amplify it several times through ...

Dynaco hasn’t made equipment in decades. Yet it’s still a name most audiophiles know off-hand. That’s because the American manufacturer left an indelible legacy on the world of hi-fi, thanks in large ...

The Feliks Audio Echo Vibe is a $1,095 OTL tube headphone amp from Poland that runs hot, sounds lush, and proves you don’t need 2 watts to melt your face off. Feliks Audio positions the Echo Vibe as ...

An attenuator increases the safety of the car by decreasing G-force levels. Team Penske is believed to have filled in a gap to eliminate a slight lip, which can slow the car down. Team Penske's ...

When you buy through our links, we may earn an affiliate commission. With all the modern amplifier and effects technology available today, there's still something to be said for the classic sound you ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Two Notes Audio Engineering Two Notes has unveiled the Torpedo Reload II, a ...

For audio enthusiasts looking to upgrade the sound quality of their smartphone or laptop, a portable DAC/amp can be a fairly simple and affordable solution. The tiny hi-fi component plugs into your ...

NAMM 2025: Boss has launched the Waza Tube Amp Expander Core, a “streamlined” and more compact version of its feature-packed reactive load box that promises “world-class recorded tones with no ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. Let’s be honest with each other: going to the gym is a ...

After a brief review of the history of the K2-W vacuum-tube op amp, an LTspice model is used to create its schematic in preparation for SPICE simulation. The availability of hierarchical blocks for ...