Balanced Versus Unbalanced Audio Interconnects

Clearly, the available literature prescribes balanced interconnection as the absolute best way to interconnect audio equipment. The use of entirely balanced interconnection with both ends of the shield connected to chassis ground at the point of entry provides the best available performance.

Source: Grounding and Shielding Audio Devices

M.R.O.: Headphone equalization

If a tonal linearity, natural head-phonic imaging, and Hi-Fidelity are what you’re looking for, search for headphones matching the above reference DF curve the most.
… BTW, the most accurate DF equalized headphones in the market is ER-4 from Etymotic Research …

Source: M.R.O.: Headphone equalization

Audio RightMark – Independent Audio Benchmarking

Need help deciding which PC audio hardware to purchase? Want to test some gear? Open source, freeware hardware analysis software and posted RMAA test results for common hardware.

Website
Download
Test Results

Freeware
Open Source

AccurateRip ~ Accurate Digital Audio Extraction

AccurateRip™ furthers audio CD ripping by verifying ripped tracks against an Internet database, making sure they are error free.

Website

Software supported:

My Audio Hardware

My main setup:

A Krell KPS-30i and a Linn Basik turntable with an Akito tonearm.
A TEAC UD-H01 USB DAC
A modified Meridian 101 preamp
240 watts of highly modified Altec 1569 monoblocks
A pair of PR-2 speakers, hand built by Bill Perkins of Pearl High Fidelity
A Plextor 40/12/40A
A M-Audio Audiophile 24/96

I also own a pair of Quad IIs, a 33 Preamp, a 303 Amp & a pair of semi rebuilt Quad ESL 57s
Quad Electrostatic Loudspeakers & Quad Today
Spin Clean Record Washer