Author: sai

Measurement dump: GRAS rig test run with HD6XX, HD800, Sundara, NAN-7 etc.

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Here it is - the measurement rig announced earlier finally arrived. Components include: GRAS RA0045-S1 prepolarised ear simulator (coupler) GRAS KB5000 anthropometric pinna simulator GRAS RA0307 mounting plate, coupler holder, and snap fit mechanism Motu M2 USB audio interface Bruel&Kjaer Type 1704 CCLD signal conditioner Note: old measurements on this site cannot be compared directly … Continue reading Measurement dump: GRAS rig test run with HD6XX, HD800, Sundara, NAN-7 etc.

Moving to industrial standard measurement rig GRAS 43AG

~ sai ~ 1 Comment

Short version of the story: Apologies for the silence over the last few weeks. I am happy to announce that a set of industrial standard measurement rig has been acquired: the G.R.A.S. 43AG-4 which consists of the RA0045-S1 prepolarised ear simulator and the KB5000 anthropometric pinna (with my own money, btw, as I am 100% … Continue reading Moving to industrial standard measurement rig GRAS 43AG

[LEGACY] NAN-6 and HE6SE V2 planar headphones: pad-rolling and look-back (UPDATED NAN-7 pads)

~ sai ~ 4 Comments

Welcome to another pad review. I bought these for test so you don't have to blind buy and take risks. This time it's mainly for the Nan-6, but I will also include graphs of the HE6SE V2 at the end of the article. You can also see how different types of pad material and structure … Continue reading [LEGACY] NAN-6 and HE6SE V2 planar headphones: pad-rolling and look-back (UPDATED NAN-7 pads)

Moondrop Void – neutral alternative? measurement and impressions

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NOTE: Do not buy the Void now. Moondrop is working on improvements over the existing headband design for comfort/coupling, which will most likely result in changes to sound. This review is based on the initial version. Update with the new headband: they are ok in terms of comfort, so I've crossed out the earlier comment. … Continue reading Moondrop Void – neutral alternative? measurement and impressions

Koss ESP/95X – Budget Estats: measurement, impression, and pad rolling

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First electrostatic headphone here. The ESP95X is the Drop version of Koss flagship ESP950 at a much more affordable cost, not least amonst estats which can easily cost you a few grands a pair. This is not to mention the 95X comes with an amp as part of the package. Given the cost the build … Continue reading Koss ESP/95X – Budget Estats: measurement, impression, and pad rolling