Rockbox mail archive
Subject: re: microphone amplifier
It's a power supply for the bias voltage. Not an amplifier.
As the description said, it's meant to record loud music.
It looks home-made, which is not a bad thing if the maker is skilled.
But it won't amplify the signal.
>> I think the item in the link you gave is just a
> power supply, not an
>> amplifier. Electret mics require a bias voltage of
> about 9 volts and a
>> unit in this price range would probably supply just
>> To get gain and bias voltage, look at products from
> Sound Professionals or
>> Microphone Madness. Be prepared for "sticker shock"
> What about this one?
> Do you Yahoo!?
> Yahoo! Search - Find what you’re looking for faster
Page was last modified "Jan 10 2012" The Rockbox Crew