Also check to make sure your cable plug us making a good connection to the ear up jack. I have the same problem from time to time which is cured by a squirt of contact cleaner.

My setup for headphone listening is PC > Hifiman HM-101 line out > O2 > Fostex T50RP.  Since adding the O2 I now have plenty of power for my headphones, but I'm wondering about the correct way to set the volume.  Should I set the PC volume all the way up and use the O2 to adjust to the level I...

Thanks! I knew I couldn't have been the first one to think of that.

I'm working on the idea of combining the stock ear pads with a set of Shure 840's.  I've removed the stock pads, replaced them with the 840's and then layered the old stock pads on top of the 840's, temporarily attached with masking tape.  I like the way they sound, but haven't decided how to...

Okay, add me to the list of The Convinced.  My stock T50RP's arrived today and I gave them a quick listen before plunging in and modifying.  The difference is amazing.  I've been listening to some Bose noise-cancelling headphones that are a few years old (QC 2 maybe?).  When I compare the...

I've noticed that several of the mods shown here have indentations in the plasticine that look like they were made by a Phillips screwdriver. Just wondering if there is a benefit to these or whether they were done to press the plasticine down into the cavities.

Since some of the popular mods include replacing the stock ear cups with wooden or printed versions, I'm wondering if it would make a difference to apply something to the outside of the stock cups to make the exterior walls thicker.  Sorry if this has been discussed before and I missed it.