Disc Recording Equalization Demystified by Gary A. Gallo

Pictured: A Neumann Cutting Lathe used to make the record master. Picture courtesy of Bakery Mastering This is one of the best non-mathematical introductions to the RIAA disc recording playback chain written. Gallo worked at the Crane School of Music in New York for 30 years as an audio engineer, where he also received a […]

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Ovation 250 Power Amplifier

The Ovation 250: A 250W per Channel Audio Power Amplifer (updated 1st June 2013) This amplifier was built in 2005/2006 and this write-up originally published in 2009. Introduction Diy Audio is a wonderful activity:-  if  you cannot  afford a $10 000  power amp,   you can always  build  one that comes pretty damn  close in terms of  sonics  […]

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