Hello      Although there are a few threads that deal with the L'espressivo (formerly known as less-pressivo) design by dsavitsk, I thought that a single thread would not be a bad idea (and I have some questions to ask, sorry :p ). I am not going to recall its history since dsavitsk did it...

It is a continuation of this thread : "eXStata DIY Electrostatic Amp for Intermediate DIYers"  which has been locked for some commercial reasons. Here you can find some informations about the design, it is Alex Cavalli's website.   I'm not sure if there is already a build thread. If there...

Hello, Does anyone knows the exact name of the Op-amp that is used in the RSA the hornet or something similar ? Is it the same that is used as rail-splitter and op-amp or is it two differents chips ? Thanks for the answers!

Hi, I was thinking of modding one of my FiiO. I have two projects: adding a volume controller and changing one AAA battery for 2AA batteries I will also case it in another box. Is there anything else to do: I mean changing caps or capacitors or anything else. I'll post pics of the...

Hello, I've just seen this amp on ebay. amp It seems to be one of the smallest I've seen. Do you know if it is based on Cmoy, mini^3 or something else. Oh, and it works with a 9V battery. It can't afford more power. Thanks.