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

This is a project I've been interested in undertaking for a long time. Earlier, I measured the E-MU Teak and Fostex TH900 MK2 headphones, both based on the same Foster OEM model. The wooden back enclosure also happen to be interchangeable. So I thought, why not swapping them out and see how it changes the … Continue reading [LEGACY] How would different wood enclosure change the sound? Measurements of E-MU wood cups (Zebra, Ebony, Mahogany)

EDIT 20/09/2023: the Accessory House Denon pads can also be found on Aliexpress and 1688. Just search for Denon D5000 ear pads and they should come up. Welcome to yet another episode of pad-rolling, this time with the TH900 MK2 limited edition. In theory, this should apply to other Foster variants (Denon D series, Fostex … Continue reading [LEGACY] Pad-rolling guide for TH900 MK2 Ltd (ft. Yaxi Alcantara, E-MU, TH610, Accessory House pads)

Here we have measured the effects of different headphone mods and tweaks, but this is the first time a complete third-party mod package. Unfortunately I haven't tried the stock T50rp MK3 so this is an impression solely of the modded version. For measurement and sound description of the original, one can find in the wonderful … Continue reading Modhouse Argon MK3 – ‘planar bass cannon’: measurement and review

Oh the Denons... one of my first 'audiophile' headphones back in the days were the AH-D5000. Along with the D2000 and D7000 they were highly well regarded before Denon discontinued using Foster drivers as they moved to their proprietary designs with the X100 line. Those were... interesting headphones, let's say. Attached below are the FR … Continue reading Denon AH-D7000 and AH-D5200: measurement and review [updated measurement]