many thanks.  I ended up tracking down an AC charger on a Sears website of all places.   http://www.sears.com/new-ac-wall-charger-power-adapter-cord-for/p-SPM8197586217   good to have it back in operation.

hi folks, does anyone know how/where to get a replacement charger for the PHA-1.  Mine was accidentally thrown out in a cleaning.  Bummer. Sony indicates that there is an optional USB AC adaptor AC-UD20.  If anyone knows where to get one I'd appreciate it. thanks, Cantastic

many thanks for your response.  I have the HD650, still burning them in but liking them so far.  But I have just the Sony PHA-1 headphone amp, so at the moment the Sennheiser Cable doesn't work for me.  What is a good source for the adapter you mentioned? again, thanks! paul

hi folks, Does one need to use the CH650S with a Sennheiser headphone amp, or is the cable compatible with a Sony PHA-1, which I'm thinking of getting. many thanks, paul

hi folks, Really appreciate all your insights.  I'm a 325i owner on the verge of living larger with a RS1i, though thinking about the PS500 as an alternative, as the RS1i may be more similar to the 325i than the PS500.  I've read that the RSIi doesn't need much amping.  One of the reasons I...

I posted this on the main forum but it seems to follow well on this post:  I just purchased Grado 325is (love the AKG701 and think the ATHAD700s are great for the price).  But wanted to see what the Grado buzz is all about.  Thinking that I need to get an amp, both for the AKG and for the...

hi all, just purchases Grado 325is -- love the AKG701 and think the ATHAD700s are great for the price.  But wanted to see what the Grado buzz is all about.  Thinking that I need to get an amp, both for the AKG and for the Grado to really let them sing.  I've read about Dot, and Nuforce as...