Originally Posted by manhattanproj
want to elaborate on this?
Sure, simply for voltage swing and current output alone, you're looking at at portable amp that runs off a single (a few on dual) 9V batteries for portable. Now compare that to a 24V or 30V average home amp that drains a few hundred milliamps of current. What do you think will have more impact?
Don't get me wrong, I totally love my PINT and having a chance to build MisterX's XP amp, I can definitely say it's really a great little portable amp even though I did use cheaper resistors for mine that the crazy high quality thin film types he uses on his builds. Still, when I compare that amp to home amps, they just have more refinement and can really drive my HD650's.
I guess that's my main reason for prefering home amps, under most circumstances portables just don't have the voltage required to drive my Sennheisers and I use them exclusively at home. On the road, my KSC75's sign with MisterX's XP amp, but still there's improvement when using my SOHA to power them (rare, but happens).