On Sat, 2011-01-08 at 03:13 +0100, Ralf Mardorf wrote: > On Sat, 2011-01-08 at 02:56 +0100, Ralf Mardorf wrote: > > On Fri, 2011-01-07 at 22:30 +0100, Roy Damen wrote: > > > Hello Martin, i bought a behringer u-202(n...@home,i think this is the > > > type ) usb audio device for Christmas for myself. Behringer has good > > > inside quality with saving on the housing, which means cheap. It has a > > > max of 48kHz, but worked out of the box with pulseaudio, digital > > > output, jack and alsa in a better way than the onboard card(alc888). > > > Even the soundquality is better than the onboard @ 48kHz. The funny > > > thing is that it costed 27 Euro's incl shipping and it is a very small > > > high quality device, Check your local dealer or the Behringer site for > > > this soundcard with line in/out spdif-out and usb, i say the > > > price/quality is pretty amazing for a small device like this,! > > > > http://www.thomann.de/gb/behringer_ucontrol_uca_202.htm 23.90€ + > > shipping costs. I don't know if this device is a good one, but it has > > got no mic pre-amps. > > > > On German, but reading isn't needed: > > Balanced non-discrete mic pre-amp without phantom power: > > > > http://www.theimann.com/Analog/Misc_Tech/Sym_Elrad/index.html > > > > >From the German Wiki (but you don't need to read the German text here > > too): > > Phantom power: > > > > http://www.elektronik-kompendium.de/public/schaerer/dcdc48v.htm > > > > and how to add it to the pre-amp(information by Shoeps!): > > > > http://www.schoeps.de/D-2004/PDFs/Mikrofonbuch_Kap13.pdf > > > > > > But I guess I was mistaken. It's possible to get studio quality (btw. I > > worked for Brauner microphones, today no studio audio anymore, I'm > > working for Terres Des Hommes), but perhaps it's more expensive to build > > such a pre-amp yourself, than it is to buy one. > > > > Cheers! > > > > Ralf > > PS: A note regarding to IC op-amps IIRC the TL series are outdated, less > good, but e.g. 4580, you might compare datasheets. > I didn't check the circuits by the links I posted!!!
PPS: Pardon, a last note, the resistors to add the phantom power to the balanced pre-amp needs to be as equal, as possible. You might not have a measuring bridge ;), so use very low tolerance resistors. -- Ubuntu-Studio-users mailing list Ubuntu-Studio-users@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users
