Ask two Head-Fi'ers to name their favorite headphones, and you may get two very different-sounding headphone models. This is normal within our community. As we know, it's also common for a single Head-Fi'er to equally love multiple headphones with vastly different sound profiles. These examples...

Dr. Hans W. Gierlich On The Future of Audio Quality Testing: More Than Just Frequency Response Is looking at a frequency response plot enough to tell you whether or not you'll like a particular headphone? Can someone equally like two headphones that do not sound alike? Is measuring eardrum...

Focal Utopia 2022 Review, Measurements Six years ago, Focal redefined the high end of the dynamic headphone world with the Focal Utopia. Today, Focal is finally releasing its successor, the Focal Utopia 2022. In this video, we literally take a look inside the new Focal Utopia 2022, subject it...

Dan Clark Audio EXPANSE Review: Interview, Measurements, Impressions As open-back headphones go, there’s nothing quite like the new Dan Clark Audio EXPANSE. While it was developed and built using the platform and technologies pioneered on the closed-back STEALTH, the EXPANSE brings entirely...

HBK Electroacoustics Virtual Conference Next week -- September 28-29, 2021 -- HBK (Hottinger Brüel & Kjær) will be holding their HBK Electroacoustics Virtual Conference. Last year they held their Product Physics Conference virtually, and that covered many different disciplines, but this...

Finished product detachable cable mod ( pretty much the only stock part left on these is the drivers from the SR-325s. I did some baseline measurements of the original 325 pair using grado style foam pads and a post mod test with the same pads. I noted a distinct shift in frequency response...

Tomorrow, 15 October (Thursday), I will be presenting a talk titled Did we really need a new hearing simulation standard? Measuring headphones with the HF-HATS Type 5128 The talk is free to watch (registration link below). This year's entire virtual HBK Product Physics Conference is free...

Headphone Measurements: The New Standard, Part 1 By Jude Mansilla Head-Fi.org There is a new, substantially more human-like standard for measuring headphones. And as I will show you shortly, this new standard is a very important step toward more realistic, more meaningful headphone...

If you can't see the embedded video above, please click here. ANC Is More Complicated Than It Sounds: Advanced ANC Headphone Measurements on Head-Fi TV Active noise cancellation (ANC) is very complex, and how to do it well just might surprise you. We sat down with Jacob Soendergaard from...

Hi audiophiles, I'm new to this forum and have many questions in mind but will start from fundamental questions first to have a better understanding of the audio engineering. About myself and gears: 1- knowledge of audio engineering 1/10 2- speakers: M-Audio Av40 3- headphone: KRK 6400 You can...

Meze Audio Empyrean Measurements Here is the frequency response measurement of the Meze Audio Empyrean (with microfiber earpads) versus the Sennheiser HD800 and HD800S (for common references) (Fig.1): Fig.1 Meze Audio Empyrean frequency response, compared to the Sennheiser HD800 and HD800S...

John Darko (of Darko Audio) is one of my favorite audio industry writers / reviewers, and someone I run into all over the world. We ran into each other at RMAF last week, and he asked to interview me -- we talked about audio measurements, CanJam, the industry, Japan, and more.

Sean Olive visiting Head-Fi HQ (September 2018). UPDATE 2018-10-25 0243 EDT: The Audio Grounds Chat took place, and the audio recording of the conversation can be heard here: https://tinyurl.com/alma-audio-grounds-001 ALMA International (International Association of Loudspeaker Manufacturing...

A description of the audio measurement lab here at Head-Fi HQ has been posted in a few different places on Head-Fi's forums, but I thought I'd post it here separately as we prepare to increase our measurement activity. We will also soon be creating a separate area on Head-Fi's forums for posting...

If you can't see the embedded video above, please click here. We've been talking about headphone measurements a lot on the forums lately, so I wanted to share some of the video PowerPoint slides from a talk I gave at ALMA's annual conference a couple of weeks ago. ALMA International is the...