I was lucky enough to recently find a near mint Corda Jazz ff on eBay. I've been wanting to get a Corda amp with crossfeed for some time. I made a passive crossfeed based on a Linkwitz design, and would hate to listen to headphones without crossfeed. Its great that I now have it integrated into...

Really nice review DeBilbao! I just got the 400i's last month and love them, and agree with your observations, they were spot on. I agree comfort is very important so you listen to the music and not the headphones. The great comfort of the 400i allows you to do that. BTW - just listened to...

Playing music for time, or being around alot of background noise makes mine worse. Sometimes I can make it better by playing a single tone near the tinnitus tone I have.   FYI - an interesting site worth checking out: http://plasticity.szynalski.com/faq.htm 

Those are all great models!   I would also consider the late 70s  early 80s CR series Yamaha's (e.g CR-1020, CR-640, etc) - they are very clean sounding, well designed receivers, and are quite reliable for older models in my experience (I still have my original CR-450 from the mid 70s), and...

Yeah, that a nice combo, I've thought about those for a while. My Little Dot I+ with some Russian Voskhod tubes is also a nice pairing (helps smooth my Grado's out a bit).  I don't have as as much issues with the high end on the 400's as some, but I EQ to my taste and on my 400's a reduction...

+1 - I've got a small head (S hat size) and they fit great on the first notch. I'm really surprised how comfortable they are.

  I have the HE-400's and as of today the 400i's. I'm using a Magni/Modi with them and they sound great. For the money they are hard to beat.

Yeah, sometimes I don't notice it until I notice it ;-) - I've made sure not to listen to any music too loud, and luckily it hasn't got worse over the last year.

  +1 -  Having worked in live sound and and other audio work many moons ago, I have no problem EQing headphones to get the best sound for my ears. For my main listening stations, I have h/w 10 band/channel EQ's on both, and tweak the sound for the specific phones and my listening preferences...

+1 Spectrum is one of my favorite albums as well. (Stratus is an awesome listen with these cans).

I think we here at Head-Fi have the right to confer an honorary doctorate on David. He's got my vote! Dr. David Solomon- . Dr. of Headgeareology :-)

When you play the game of phones you listen and your wallet dies. That's great!

I bought the J$ angled pads for my D2K's a few years ago and used them until end of last year when I bought Mark's pads. Mark's were better, and increased the soundstage as the opening on his pads were bigger. I would definitely recommend wood cups/damping to anyone with stock D2k's mainly to...

^ Yes, I'm not an expert, but know most current applications of 3D printing are mostly for prototyping, but there are also those in the military and elsewhere (aerospace, medical) that are already using 3D printing to manufacture parts. But I was going along with what the future might bring, and...

Nice article. Having Hifiman's, I think companies like them, Audeze (and Stax) can up the bar further in the near term as new composite materials (3D printing?) could make them better, especially from a price/performance point of view. Koss Pro 4AA's were my first real headphones too. Big and...