[justin w.]

Quote:

Originally Posted by rei_yano /img/forum/go_quote.gif what is the max impedance output from the picos headphone jack?

Output impedance of the amp or acceptable headphone impedances?

 

[rei_yano]

Quote:

Originally Posted by justin w. /img/forum/go_quote.gif Output impedance of the amp or acceptable headphone impedances?

here is the thing. I do not really understand what impedance means and how you can descern whether an amp will be able to drive a headphone with lets say 300ohms. I cant wrap my head around it and I want to be able to look at amp spec sheets and have the knowledge to know what will work and what will not.

 

[Victor Chew]

Normally, the higher the impedance the more difficult to drive the headphones. Iems tend to have low impedance and are easier to drive (ie. more sensitive). Some of the big/full sized headphones have high impedance and more difficult to drive. There are pros and cons in high and low impedance. High can to pick up all kinds of floor noises and hisses. Low means you will need an amp with sufficient power to move the cones. However, impedance has nothing to do with the matching of sound signature.