Recently I bought an etymotic ER4P and would like to build a protection circuit to be able to use with generic equipament tv,radio... Should protect against DC-offset, transients and to transform the P for S because the phone is already very sensitive. Could anybody tell if this circuit would it...

http://sound.westhost.com/project109.htm

Hi all I need help here. I had just bought a HD280 and when I connected he in Panasonic SL-SX420 and without turn on I started to hear some cracks in continued time's intervals. Being worried I decided measure DC offset with a simple multimeter digital. Without load, multimeter marked peaks of...

Hi all, I need advice in a reasonable stereo potentiometer. Size does not matter. should have in Newark and around of $4 OK, not audiofile at all Thanks

I have an earbud Philips who is about 17mm and is very uncomfortable for my ears. If someone knows the of Senn, help me.

Anxious to see one review. Because? Well, I live in Brazil and here any rules of this forum do not apply. I am going to try to explain what it would be expensive and cheap here ( for me ) cheap phone: Coby CVE3 ~ R$ 15 ( $5 USD) average phone: Aiwa HP-v163 or Sen MX400 ~ R$ 60 ( $20...

I have powerdvd and access DH directshow filter with graphedit. Put me would like access this through other audio tools. The goal is to facilitate the multiple files conversion to listen in my portable. I thank if someone it can give hints.

Review (if someone get understand ) : http://www.fragbite.com/?articleID=114