Are Headphone amps worth the expense?

I have a Mac tube amp and grado phones. Would I benefit from a headphone amp? How are they hooked up? Thanks for any thoughts.

drpat10-07-2010 4:32am

psag Details Discussions Posts This discussion Message User 518 posts 10-10-2010 at 12:38am Copy Comment URL Report Comment Edit Delete Can a headphone amp be fed by the "line out" or "tape out" of a conventional preamp?