Hello all,     I recently purchased a DD Socket 1 and was curious to see if anyone has ever bothered to upgrade the battery. It's a 3.7V 2200mAh battery with a molex connector. I have seen some polymer batteries running up to 4250mAh with the same voltage that look like they would fit, but...

I have been lusting after the Heir Audio 4A for quite a while now but I have a concern. I have moderate TMJ syndrome that causes my jaw to misalign sometimes. I never have any problems with my EQ7s, but I was wondering if anyone has had any problems with customs because of jaw issues. Has anyone...

My beloved EQ7s sound really weird today. I put them in and at first thought something was wrong with Pandora. All the vocals sounded like they were underwater. I tried every source in my house and it's all the same. I put on my fostex's and suddenly every source in the house sounds beautiful...

To all the head-fiers that might possibly want to build a set of SFI donor headphones,     I recently purchased a pair of eMatics EH162WD headphones to be a shell for a set of SFI drivers that I purchased from Discounts Jungle via Amazon.com.  My purchased headphones arrived very quickly but...

Hello everyone,     I am looking for some help here.  I had planned out my future DIY headphones, I have been inspired by smeggy and his amazing Thunderpants, and I had planned on using SFI 32ohm ribbon tweeters.  It seems that the one source for both the 32ohm and 120ohm SFI tweeters is now...