![]() These analog EQs aren't precise enough to fix all the peaks and dips. There are also huge suck-outs at 65 Hz and more huge peaks at 100 Hz, all of which haven't responded to the past few years of trying to rearrange speakers, office furniture and trying parametric and third-octave equalizers. This is decent hardware for a desktop system, but even the best gear would sound bad in my office because, like most offices, it's plagued by the usual peaks around 160 Hz caused by reflections between my desk and the ceiling, and huge peaks at 55 Hz reinforced by my cube-shaped office. The crossover's subwoofer output feeds two M&K V-75 MKIII 12" powered subwoofers in stereo. My desktop system is a Benchmark DAC1-HDR which feeds a Heathkit AD-1702 active subwoofer crossover, which feeds an ADCOM GFA-535 II and B&W CDM 2 two-way 6.5" speakers sitting on two pairs of Audioengine stands. All you do is download and install it, then run the calibration program to create a correction filter, save the filter, then select that filter in the player and you're good to go. It's easy to download (only 16 MB), install and run, at least for me who understands this process. It doesn't work for playing your analog tuner, LPs or cassettes, unless you play them through your computer. I'm using it on a MacPro desktop system on OS 10.6.8 played-out thorough a Benchmark DAC1-HDR, and it ought to work on most computers. It works on Windows and of course on Mac. The other program, the Dirac Audio Processor, lets us transparently play everything in our computer - iTunes, movies, Internet Audio, Digital Audio Workstation software and anything else that comes out of a computer - through the correction filters. ![]() What's left is the smooth, clean, clear, deep and detailed sound I've been trying to get for years on my desktop.ĭirac Live has two pieces: the Dirac Live Calibration Tool program that lets us use a USB microphone to measure our system and easily make correction filters that will make our system sound exactly as we want it. This software, in less than a day, has made my desktop system sound better than I've been able to make it sound after years of traditional optimization! Suddenly all the unwanted coloration has gone away and I can hear straight through to my music exactly as I want it. ![]() I use this on my desktop system in my office of course it works for any kind of large or small Hi-Fi or multichannel home theater if you drive them from a computer. It very quickly makes huge improvements in any and all computer audio playback systems, especially desktop Hi-Fi for which I've used it. Dirac Live is a suite of two programs that allows fast, easy and accurate calibration of room acoustics and amplifier and speaker characteristics. ![]()
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