Fostex TH900 MK2 Sapphire Blue Limited Edition, E-MU Teak wooden headphones The Foster biodynamic headphone family is arguably one of the most popular OEM audiophile headphone models out there. What we have here today even just from a glimpse one can see how similar they are. Basically you have the same chasis, frame and headband. … Continue reading Fostex TH900 MK2 (Sapphire Blue) and E-MU Teak: Measurement and Short Review [updated measurement]
Hifiman Arya Stealth: measurement, review, pad-rolling
We have here this time the much loved Hifiman Arya, now the latest gen with stealth magnets. I used to think stealth magnets are just some marketing gimmickry, but the Arya Stealth Edition (Arya SE hereafter) really surprised here how much they altered the sound. Maybe it's the stealth magnets at work, or maybe it's … Continue reading Hifiman Arya Stealth: measurement, review, pad-rolling
Gold Planar GL2000 and GL850: measurement, review and pad rolling [updated graphs]
With both of these now sold I want to talk about them a little in retrospect (btw all headphones tested on the site are purchased). From what I gather Gold Planar has been the OEM for many headphone and speaker drivers before releasing their own models, the GL-series which include GL2000 (planar), GL850 (AMT) and … Continue reading Gold Planar GL2000 and GL850: measurement, review and pad rolling [updated graphs]
Tecsun HP-300: measurement and short impressions
High-impedance dynamic cans are not so common nowadays. Even beyerdynamic is moving consumer-friendly with their flagship line, the 32-ohm T1 and T5 3rd Gen (which BTW I don't really like... the T5 is the better one of the two though). And who's heard of Tecsun anyway... according to google it seems they make radios and … Continue reading Tecsun HP-300: measurement and short impressions
[LEGACY] Sony MDR-Z1R, Z7M2, and Mutex R10: measurements and impressions
Got something really special this time - the Mutex R10 replica made in tribute to the legendary Sony MDR-R10. This is perhaps visually the closest to the original I've seen. But how do they sound? You're in luck - we got frequency response measurements here. Headphone reviewed: Mutex R10 (~US$ 550) Tonality: Surprisingly decent for … Continue reading [LEGACY] Sony MDR-Z1R, Z7M2, and Mutex R10: measurements and impressions

![Fostex TH900 MK2 (Sapphire Blue) and E-MU Teak: Measurement and Short Review [updated measurement]](https://i0.wp.com/unheardlab.com/wp-content/uploads/2022/06/img_1293_e589afe69cac.jpg?resize=656%2C300&ssl=1)

![Gold Planar GL2000 and GL850: measurement, review and pad rolling [updated graphs]](https://i0.wp.com/unheardlab.com/wp-content/uploads/2022/05/img_8133.jpeg?resize=656%2C300&ssl=1)

![[LEGACY] Sony MDR-Z1R, Z7M2, and Mutex R10: measurements and impressions](https://i0.wp.com/unheardlab.com/wp-content/uploads/2022/04/img_4133.jpeg?resize=656%2C300&ssl=1)