ADU
September 7, 2024, 6:04am
41
Zeos & Linsoul have teamed up for another collab, this time with the HarmonicDyne brand, and it’s all about the bass. They were kind enough to send them to us for review.
Here are the measurements:
B&K 5128
[Eris AVG Cal]
Raw
[Eris Raw]
HpTF Variation
[HpTF Variation]
What does HpTF variation mean? headphones behave differently on different heads. Here you can see the variation in performance when measured with two different heads/ears, one in the form of the B&K 5128 and the other …
Another one I found in some old bookmarks…
Sennheiser HD 560S measured on HBK 5128 (with old 5128 pref curve)
HiFiMan HE1000 Unveiled
2 Likes
ADU
December 5, 2024, 2:02am
42
Some interesting new graphs.
This is the place to discuss all things to do with the DCA Aeon Noire X. DCA were kind enough to send us some units for testing.
Check out DMS’s Aeon Noire X review:
[It just got better... DCA Noire X - Review]
Here are the measurements:
DCA Aeon Noire X Frequency Response (HpTF Variation)
Resolve Unit (GRAS KB50XX & B&K 5128)
[image]
DMS Unit (GRAS GRAS KB50XX & B&K 4128c)
[image (1)]
What is this? This indicates the headphone’s behavior variation across different heads …
This is the place to discuss all things to do with the Fiio FT-1 Pro, which is a $200 open back planar magnetic headphone.
Fiio were kind enough to send DMS and I each a unit for review, which we’ll be working on soon.
In the meantime, here are the measurements:
Frequency response (HpTF variation)
Resolve Unit (GRAS KB50XX and B&K 5128)
[image]
DMS Unit (GRAS KB50XX and B&K 4128c)
[image]
What is this? This indicates the headphone’s behavior variation across different heads and ears,…
1 Like
Rael67
December 15, 2024, 8:25am
43
@Resolve :
Resolve
December 16, 2024, 7:59am
44
I wouldn’t say it needs it, but literally 100% of headphones can be improved with EQ
2 Likes
ADU
November 10, 2025, 5:40am
52
Kali Audio HP-1 - Raw 5128:
Kali Audio HP-1 - Compensated 5128:
We test KALI’s $200 HP-1 “reference” wireless headset—complete with Studio, Consumer, and Bass-Heavy profiles—and talk about how a product concept that could in theory help with quick mix checks ultimately fails in practice.
HEDDphone D1 - Raw and Compensated 5128:
[Laid Out]
This is the thread for measurements and discussion of the new HEDD Audio HEDDphone D1, an open-back dynamic driver headphone retailing for $800 at Headphones.com .
Check out our reviews of this headphone done by Resolve on YouTube , as well as by myself on our blog The Audio Files .
Below you’ll find measurements of the HEDDphone D1 done on our Brüel and Kjær Type 5128 HF-HATS.
[HpTF]
[HD 600]
HEDDphone TWO GT - Raw and Compensated 5128:
Here are the B&K 5128 measurements. I’ll need to also put up the comparison with the original Heddphone 2 as well but that is a task for tomorrow.
The pads are nearly identical - Purple is leather, orange is suede.
[image]
HpTF Variation (2 heads):
Leather
[image]
Suede
[image]
Not sure what this is?
Headphones behave differently on different heads. Everything from pad deformation, to the size and shape of the physical ear filling the space, to the way it sits on the head can all hav…
Meze 99 Classic V2 - Raw and Compensated 5128:
This is the place to discuss all things to do with the Meze 99 Classics V2:
Specification
Details
Driver Type
Dynamic
Driver Size
40 mm
Frequency Response
15 Hz – 25 kHz
Impedance
16 Ω
Sensitivity
103 dB SPL / mW @ 1 kHz
Total Harmonic Distortion
< 0.1 % @ 1 kHz
Input Connector
Dual 3.5 mm TS jack
Ear Cups
Solid Walnut Wood
Weight
290 g (10.23 oz)
Cable
1.8 m dual-twisted Kevlar-wrapped OFC with 3.5 mm jack
Included Adapters
USB-C DAC/AMP dongle · 6.3 mm gold-plate…
HFM HE600 - Raw and Compensated 5128:
This is the place to discuss all things to do with the HiFiMAN HE600.
Specs:
Frequency Response
8 Hz – 65 kHz
Impedance
28 ohms
Sensitivity
94 dB
Weight
389 g
Driver Type
Planar Magnetic with 2nd Gen NEO Supernano Diaphragm
Magnet Design
Rare-Earth-Free permanent magnet materials
Headband
Composite with rotatable hinges (2nd generation)
Ear Pads
FocusPad (memory foam wrapped in pleather and velour)
Connectors
Dual 3.5mm angled at 10°
HiFiMAN was kinda enough to send …
HFM HE1000 Unveiled - Raw and Compensated 5128 (new link):
This is the place to discuss all things to do with the HiFiMAN HE1000 Unveiled:
I’ve posted my impressions of it in a different thread already so I’ll add them here, along with the measurements.
B&K 5128
[image]
Raw
[image]
GRAS & HpTF Variation
[image]
Folks know that I hate the ‘unveiled’ concept, but on this one the implementation is a lot less anxiety-inducing. There’s actually a lot less surface area of the membrane exposed to the world compared to the Susvara Unveiled, meaning…
Sennheise HDB 630 - Raw 5128:
Here you go. As noted in the vid, the channel balance may be a bit more challenging given the mechanical design of this one. But this is also 20 seatings.
[Raw]
Sennheise HDB 630 - Compensated 5128:
Sennheiser’s new HDB 630 is being called the best-sounding wireless ANC headphone yet—but does it actually live up to the hype? In this review, we dive into its sound quality, comfort, app features, and how it stacks up against Sony, Bose, and...
HFM Edition XV - Compensated 5128:
[image]
