Ilang ulit ko na nabasa yung support forum at napanood videos ng HD series, hopefully may idea na ko pag dating ng HD400 ko next week! I'll be experimenting on going direct to PA / effects loop / guitar input of an amp and karaoke! Try ko rin yung mga tube amps nung isang kaibigan ko, although sa tingin ko it won't work well pag direct sa guitar input / tube amps - unless i-off mo yung amp modeling feature, so parang M series na lang sya.
@Xelly, nasubukan mo na sa acoustic yung HD500 mo? Madalas ko rin gagamitin to sa acoustic ko, so iniisip ko pa kung pano timpla nun...