I find that EQ doesn’t work well for the HD800S because its screwy frequency response is caused by super early reflections from how the driver is suspended and angled in front of the ear and by the large ribs and mounting structures of the cups. The frequency response of the HD800S, despite the Armin Zola resonator (that lessens the 6kHz peak) is still bit too screwy for my tastes. I only like the HD800S under certain conditions. However it's not possible to hook up an ABX test with a balanced and single ended output because the comparator machine is SE only. I would have liked to do a blind test with the ABX machine. That being said, I will offer my subjective impressions. Only for Audio Science Review to appear and take the THD zealotry to the next extreme. Eventually people stopped caring about THD. THD was a selling point at that point in time (thanks to Doug Self). There is a reason why some speaker amp designs in the early 80s, even by guys who were really good at discrete designs, used opamps. Yeah, the audio industry goes through fads too. As with most things, I am guessing that by the time the paper(s) on how to do this came out or become well known, the industry was obsessed with "damping factor". I figure the reason we never saw this much with speaker amps could be this higher output impedance. One noted downside is higher output impedance, 2-ohms in this case. The Halo thing only works through the XLR output for obvious reasons. I haven't read into the papers on this really, so I can't say much. Some deal about error correction by incorporating the transducer in the feedback loop. I hadn't intended on covering the Midgard so soon after its release, but there seemed to be quite a bit of interest in this product, particularly the Halo topology. With a more resolving setup in front of me, I didn't realize how much it had changed. Not only that, but the MIL-B had been baking for a few weeks now. Turned out the DAC11001B based MIL-B was the winner. So fast forward a bit, I pick up a Mjolnir 3 for myself and try out a few DACs to see which ones I preferred best, you know, the synergy thing. Actually exploring and learning new things is fun! Sticking to an old dogma is dumb (and yes, the THD+N cult has been around forever, read up on Doug Self) I asked Jason if I could borrow this because, you know, we like real science here. And thus voila, the MIL-B (or whatever it's going to be called). Of course we know will not refuse, at least to try it. So I guess the story is that TI calls and tells him: Hey, we have this new B version that fixes the measured ultrasonic f'ery. It wasn't an audio chip, but the given the DSP chops of MM, Dave, and Ivana, it wouldn't be much of a problem to get audio data into the chip. A while ago, and this was on the tail end of the AmirNAD fad (SINAD at full scale, 1kHz stimulus, 20kHz bandwidth, 100/200kHz loads for SE/BAL respectively), Jason decided to hop on board because Texas Instruments had a new DAC chip that could do up to 120db AmirNAD. Perhaps another downside to such a thin cable, or perhaps a benefit depending on use-case, were the impedance specifications: Also, due to the light weight, heavier IEMs couldn’t just be dangled over your ears, if you removed them to talk to someone. The downsides were that model tangled really easily and was a bit of a bear to untangle. The OG BaX was joy to wear, as it was virtually invisible and completely disappeared with regards to feel over the ear, even when wearing glasses. It had a pull strength of 60n/13lbs, so it was fairly durable considering its minuscule size. According to my old review, that model was 0.9mm in diameter and weighed around 2.7 grams (0.095 oz), although the newer generation may weigh slightly more. That particular model, along with the Music and Vocal models, are the thinnest they make. Their design aesthetic matches my own- simple, minimalist and functional.īack in 2014 I first became acquainted with Linum cables, when I reviewed their OG BaX balanced cable for Cymbacavum. Ever since I first handled a Linum cable nearly a decade ago, I have been a fan of their approach to cable design. I normally don’t talk much about cables beyond always desiring thinner IEM cables that are soft, pliable and with little to no memory. Estron provided the DualBaX Zebra cable reviewed here.
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