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Headphone stuff comes up in my email feed all the time! Last week I received a notice from online bargain store Monoprice that an "audiophile" headphone amplifier, normally priced at $129.99, is on special for $67.99—the Monoprice Monolith Series Liquid Spark. Oh, come on! An "audiophile-quality" headphone amp at a bargain-basement price? This put me... Read More »

Sensitivity First, I measured the sensitivity of the Audeze CRBN, comparing it to the Stax 007. My headphone measurement instrument is the Mini DSP "Ears," which is far from a standard. However, using my ACO Pacific SPL calibrator, I was able to calibrate the Mini DSP for SPL at 1kHz within about a dB, I... Read More »

It is a particular pleasure to introduce the latest person to join the Positive Feedback creative community. Bob Katz doesn't need much of an intro to audiophiles who follow those who are masters of mastering...and of recording, EQ, and delivering the recorded performances that we all treasure. No recordings, no audio, eh? His résumé is... Read More »