Hi,   I was wondering if it matters whether I use 16v , 25v, 35v  470uf cap for the dc blocking cap on the headphone out section?   Thanks.    

Basically, I need suggestions for a new IEM upto $250. However, it cannot even have a hint of sibilant. Sibilance really hurts my ears.  I think I am especially sensitive to it.     Anyway, I listern to a wide range of music.   My source is either an iriver e30 ( portable)  or  via...

Basically had to built an amp after I got my first half decent headphone. (A500) Spec. AD823 op amp Elna Ceraffine 470uf wima mkp10 0.22uf TKD 1% resistor TLE2426 Alps volume control Will now build a clone using SCR 4.7uf caps to compare sound. I presume that the clone will have...