In the fall of 2004 I declared my commitment to study the development, if any, of Yamaha's old line of Orthodynamic headphones, which used a driver type known generically as isodynamic, small-O orthodynamic, planar-magnetic, or magnetostatic. Why?  1) they'd been virtually extinct for 20 years...

First of all, I would like to introduce myself a bit, just to make sure you won't think I'm just a child, who's found something he doesn't even care about. In my chldhood I didn't have any chance to share audiophile activities with my grandfather, this because he died in 2000 and I've only...

Hi. I am pretty new on this site. I have come across a set of Yamaha YH-1 headphones in pretty good shape. They sound really good if a little flat. I am not a headphone snob, so I know very little about it. I enjoy good music, but mostly listen to MP3's now. I'm in my late 40's and have had my...

Just re the chinese built/made tube headphone amps are there any out there that are good and would you reccomend a chinese tube headphone amp. Also do most of these use chinese tubes or other brands How about their SQ ?

I'm not sure why, but I have two orthos the Yamaha YH-1s and YH-3s. The YH-1s willl have problems at times where one side will not produce sound, and other times it will come back. I'd say this happens maybe 10 - 25% of the time. My YH-3s were fine for a while, then when I sold them, they...

I just got a pair of Yamaha YH-1000 given to me by my father. I understand they are special (I currently have a pair of Sennheiser HD 600s, FWI). One channel is very week and distorted-but plays-and the foam needs replaced on both ear pads. Anyone have any ideas on how to go about fixing either...