Thomas Tsai is back at OHM again, this time with a chip on his shoulder about earphone/headphone measurements, psychoacoustics, unannounced product variations, and parabolic lighting (to make earphones and models look good). The biggest news is Cymbacavum's opening of headphone measurements. You can find out all about that here: http://cymbacavum.com/2015/04/15/electroacoustic-measurements-from-speakerphone/ Relevant links: 1. Grado GR10 review - Headfonia: http://www.headfonia.com/grado-gr10-away-the-avoirdupois/ 2. Grado GR8e review - Headfonia: http://www.headfonia.com/grado-gr8e/ 3. Spin-Fit ear tips - ohm image: http://ohm-image.net/opinion/audiophile/spinfit-earphone-ear-pieces 4. which GR10 do you have? - ohm image: http://ohm-image.net/opinion/audiophile/which-grado-gr10-do-you-have 5. APS-C reach FTW - ohm image: http://ohm-image.net/opinion/photophile/reach-aps-cs-biggest-advantage-over-ff 6. Canon 6D - ohm image: http://ohm-image.net/opinion/photophile/going-full-frame-with-the-canon-eos-6d As always, be sure to check out Thom's awesome site, Cymbacavum: http://cymbacavum.com, and subscribe to ohm air.