OT: simple, good sounding DIY mic preamp project needed

Started by AmpliFuzz, September 25, 2005, 09:19:39 PM

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AmpliFuzz

I'm about to buy a M-Audio soundcard with 8 line inputs, two of which equipped with mic preamps. I need 6 other preamps to track drums, etc. I'm looking to build something and I'd like to keep it as simple as possible: no transformers, no phantom power and maybe no high-pass filter either, just XLR input with gain to line out. Any recommended schems/projects?

Thanks,
AF

PS: what about the power supply?

bioroids

Check out the AMZ Mosfet Booster. It works good for this, but has no XLR input :(

The schem is over at www.muzique.com

Luck!

Miguel
Eramos tan pobres!

littlegreiger

Check out here. There's two mic preamps that seem pretty easy.

cd

http://www.nomad.ee/micros/preamp1.html

Leave out the phantom power if you don't need it.  Easy to build using a single dual opamp for each input.

12afael

look at www.groupdiy.org
the green preamp is a good option.
I build the paia tube preamp and work great.
I f you want some more simple you can find some schematic with a ina103 , ssm2019 , ina217 as input amp and drv134 or ssm2142 as balanced driver.

on the page of rane (www.rane.com) they have schematic of their equipment. ther is a preamp too.

davebungo

you could also try the forum on www.prodigy-pro.com - it's more or less all they talk about.