Longtime readers of The Audio Critic are fully aware that many of high-end audio’s articles of faith are bogus. Most of these fraudulent pronouncements about cables, tubes, vinyl, etc., require a little bit of engineering science to refute. A typical example is the absurd practice of biwiring, whose futility is made obvious by the superposition principle, a law of physics not known to everyone (see under downloadable Sample Articles, “The Ten Biggest Lies in Audio,” on this website). (more…)

8-Channel Digital Power Amplifier

Designed by AudioDigit (www.audiodigit.com) in Italy. Manufactured by Autocostruire di Melani Antonella, Via A. Modigliani 27/B, 51100 Pistoia, Italy. Voice: +39 335 290925. Fax: +39 0573 31018. E-mail: info@autocostruire.com. Web: www.autocostruire.com. AudioDigit MC8×100 eight-channel “digital” power amplifier, 480 euros (c. $610) plus shipping and import duty. Tested sample on loan from manufacturer. (more…)