Excited to join the HE-400 family soon
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I've had my eye on it for a long time (even when I owned the HE-500) & finally ordered it (from HeadRoom) last week.. it arrives tomorrow. Picked up the velour pads (from HeadRoom) & J$ pads (from Jeremy).. as well as a snazzy Skuld 4 cable from Trevor (Norse Audio). I plan on driving it with the Lake People G109-S.. which I'm ordering from Fried/Lake People, atm.
I'm excited & curious to hear the HE-400.. being that I'm actually coming to it from an HE-500. While the HE-500 was terrific in terms of technical prowess, I grew a bit tired of the thick, slightly midforward nature of the midrange. The mids were quite smooth.. but they certainly had a bit of Grado-y aggressiveness to them (certainly nowhere near fatiguing in the way some Grados can be, though). The HE-500's bass was excellent.. but it sounded a little thick through the midbass for my taste. I was driving the HE-500 (properly) from a variety of amps.. Objective2, Tube-DAC-11 (both the ss & tube outputs.. in the latter outputs, the O2 served as the front end), as well as a class-T speaker amp (which sounded fantastic). DACs used was the ODAC in most cases (along with the TD-11's well implemented,
Cirrus Logic CS4398 DAC chip).
Removing the HE-500 grill's fabric backing helped with flattening the midbass, toning back the midrange's forwardness, and creating a touch of air to the treble (but it could get sibilant in some cases).. ultimately, I still wanted something less 'thick' sounding through the mids and flatter through the midbass. I opted for the trusty HD600 (which I've long loved) instead and have been quite happy. That being said, I definitely missed the 'ortho' sound and now that HiFiMan has worked out the build issues with the HE-400, saw it as a perfect opportunity to jump on it.
I've done plenty of reading about the HE-400.. I'm more than a little confident I'll enjoy it. It seems to be a fairly neutral phone with just the right touch of (modest) coloration in the "right" places to make it a fun, musical, engaging phone. Genre diversity is very important to me as I listen to everything from liquid DnB to jazz, soul, blues, rock, Indian classical music, hip hop.. and everything in between.