fpelectro

Thanks for the links audioguru, do you have any plans for the 2 transistors that could easily add 10+ gain to a microphone? this is what I am looking to do. Please keep in mind I am new at electronics.. thanks

I found this auction on ebay that is selling a pen microphone with a 2-stage pre-amp and active audio booster circuit which increases sensitivity by 10 times over standard passive microphones.. I would like to know how to make this type of booster to attach to any microphone, so here are my questions.. 1) How would I build it? 2) what parts will I need and wheres the best place to buy them? I dont mind reading, im new at this so please bare with me.. all your help is appreciated.. thanks PS. here is the ebay link to the product im trying to copy, this guy is very expensive unless this is something special that I dont know about? http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=3204&item=5526586242&rd=1&ssPageName=WD1V