Hi, i've build this cute little amp: http://www.audioattic.de/projects/small_eaton.html I tried to put the bass boost from the ppa: http://tangentsoft.net/audio/ppa/amp...tml#bass-boost (0,22µF/ 5K, worked fine with my Cmoy) in the feedback loop of the "smEaton" (right behind the...

Hi, since i read that it is possible to stack buffers in the output stage of an amp, i asked myself if this would be a useful thing to do with the OPA in amps with no buffers (Cmoy, for example); especially, since the limited output ressources should be the weak spot for this kind of amps...

Though they are freaking comfortable out of the box, i felt the need to improve the seal. I´m a huge guy with huge ear canals, and sometimes had the feeling the seal was slightly different in one ear. After experimenting with foamy-kinda-stuff i had the idea of using blue-tac. The "modd" will...

After finishing my first CMoy, i felt lucky enough to order a Millet Board at the recent group buy over at headwize. As i started out looking for the parts, i recognised some parts are not available in germany under the given specifications in all the millet part lists i found. Damn...

Hi, i just finished building my first C Moy, but i would like to have it a bit of a warmer, bassier sound. To be precise, i would like to have a whole of a lot warmer/ bassier sound. First, what would be the bassiest, smoothest OP you could recommend? Right now, i´m using a 2132 and i find...