Quote:
Can anyone comment on the sensitivity of these? For the moment 99% of my listening is thru my Samsung galaxy nexus and the power is somewhat underwhelming with that as the source. Not horrible but doesn't pump out that last 20 or so % of the volume I like to have when listening loud.
The Nexus S, yes?
From what I can tell, your 8320s are not properly electrically damped by your phone (source). The Nexus S' output impedance, according to Golden Ears, is 13.63 Ohms, and the 8320s' impedance is, according to Monoprice, 32 Ohms. Generally speaking, a 13.63 Ohm source isn't that desirable for a 32 Ohm headphone/earphone. I have the same 'issue' (it's no issue) with my 8320s plugged to my laptop's headphone out. I don't know the output impedance of my laptop's soundcard, but it's probably not much lower than that of the Nexus S.
I'm no expert, so hopefully the next poster can answer your question better, in a more coherent manner.
GE =
http://goldenears.net/board/index.php?mid=GR_Mobile&page=2&document_srl=1734676
You have a fancy phone! Not to say I envy you, at all.
edit = A snippet from GE's review (translated by the ever proficient Google Translate) :
"Does not test the strength of the signal does not reach the reference level range is one of the disadvantages of the RMAA. Because of this, if you do not load test maximum volume clipping from happening, and if you do not at least check the load test, omit the item."
The message is, RMAA doesn't perform load tests on impedance loads that are either too weak (in signal strength) or clipped. GE's RMAA load test results do not display impedance loads under 62 Ohms, meaning a 32 Ohm load output signal from the Nexus S is probably both weak, and (possibly badly) clipped.
So yeah, don't listen to the 8320s plugged to your Nexus S, unless it's your only option.
But again, my laptop probably isn't any better. And I wouldn't invest in sources and amplifiers for something that I paid $7.11 for.