else if the opamp crashes,is there any demage to my syetem

now my rkv with opa627sm could operates  very well without 68pf caps  could it operate well  long time for any headphones,for kk especially? thanks

The 701 is one of the toughest headphones to amp properly. Even when it is amped properly is has no bass and the sound is very fatiguing which eliminates long listening sessions. You will find people talking up what they own all over the place, thus the glowing reviews of the 701. Stop looking...

thanks for the replying but the 701 have 63ohm and the sensitivity of 105db ,which are higher than hd650 300ohm and the the sensitivity of 103db ,lower than the dt880 32ohm so ,i think the k701 is suitable for predator else,what model could i choose from other brand thanks again

as the title shown i have the portable amp predator.i have been looking for the headphone for it a long time at last ,i decide to buy one among the hd650 ,dt880 32 ou and the k701 but which is the best for predator? my music source is cdplayer ej01 usually i listern to pop musics,and...