When a circuit is pushed past its limits, it rarely fails politely. It signals trouble through tripped breakers, hot outlets, ...

“It bounces, chugs great and cuts really well. Love the Presence/Resonance knobs. Sorcery,” he says. “There’s a lot of intel ...

Vox's VTB-1 Treble Booster in inspired by vintage Rangemaster units but remixes the circuit recipe and promises lower noise ...

An audio amplifier was once a fairly simple analogue device, but in recent decades a typical home entertainment amplifier will have expanded to include many digital functions. When these break ...

Plugging in with a P-90-loaded Firebird, the Fairfax immediately impresses with its amp-like response. There’s a lovely, ...

Most PC “mic” inputs are pretty average for noise and distortion, and they’re usually mono. Plus, they can’t properly take balanced, pro microphones that often need 48-V phantom power. This ...

Extend the LM358 op-amp family’s output voltage range by cascading the op-amp with a few simple, inexpensive components.

Abstract: In order to extract weak sensing signal, a practical lock-in amplifier circuit is designed. By generating two orthogonal reference signals multiplied by the measured signal after lowing ...

It used to be a rite of passage to be able to do the math necessary to design various bipolar transistor amplifier ...

I think I am being more than fair relative to sharing expenses while living in my girlfriend’s house, but I could use a little perspective. Quentin Fottrell is MarketWatch's Managing Editor-Advice ...

An autopsy determined that the young girl's left arm, which was missing when her body was found, had been bitten off by an alligator.

Onkyo marks its 80th anniversary with the Muse Y-40 and Y-50—compact streaming integrated amps with AirPlay 2, MM/MC phono, and HDMI ARC.