nephilim32
1000+ Head-Fier
Good tubes are not expensive. Volkshods are much better than stock tubes and can be gotten fairly cheap (just be sure they are matched and tested for noise). As far as SQ the Lyr is great. The HD800 isn't as amp picky as people have been led to believe. It will sound like the HD800 no matter what its plugged into... with varying levels of quality depending on the amp, but it even sounds good ouy of the HP jack of my laptop (using JRiver and Process Lasso to clean up CPU processing noise). I find the 800 is more fussy about stuff like AC power, dirty cables, noise floor issues, noisy computers etc., which can compromise the sound. It is fairly easy to drive these phones to potential. Of course there are amps out there that squeeze every last drop of performance out, but those tend to be over $1K. Most well made amps under $500 are going to be fine as long as they are not too bright. Alot of this is just going to come down to preference.
Great post. Agree with a lot of it, however I feel it's the 3 to 4k amps that are the real potential squeezers.