As Axiom’s chief R&D engineer Tom Cumberland describes it, a digital amplifier is a “power DAC”, and of course a DAC (Digital-to-Analog Converter) is the basis of all digitally recorded media, whether ...

The Cherry Audio MEGAschino Mk2 Standard Edition Class D Amplifier is energy efficient, boasting SOTA specs and gobs of power output (>400wpc, 8 ohms). Is it worth the $6k price? Read our review. The ...

A tough challenge for test engineers is explored in terms of test methods, pitfalls, and measurement errors. For the test engineer, RF and microwave power amplifier testing imposes unique challenges.

If you’re looking to build your own iPod or iPhone stereo, AirPlay audio system, or desktop audio system, you could buy self-powered speakers, such as computer speakers or studio monitors. But with a ...

PXI has had a good run in the second half of 2011 so far. At Semicon West in July, Aeroflex, Geotest, and National Instruments all presented low-cost PXI-based systems (with Aeroflex adding AXIe as ...

Lock-in amplifiers use phase-sensitive detection to measure the presence of small signals buried in large amounts of noise. By measuring the coherent system response from an incoming AC signal, the ...

$3,500 is a lot of money for a hybrid digital power amplifier. The NAD M23 is not your typical hybrid digital power amplifier. Not a chance. I’m must confess to being very ambivalent about “hybrid ...

STMicroelectronics announced the expansion of its lead in digital automotive-audio technologies by launching a second generation of power amplifiers that simplify design for car-radio system suppliers ...