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Old 23rd November 2004, 10:00 PM   #1
diyAudio Member
Join Date: Nov 2004
Location: los angeles
Default mic pre pcb needed

i am looking for a pcb for a nice recording quality mic pre, possibly using the ina217. i don't have time to do the layout myself, but am quick with the solder station. i am hopong someone here already has a pcb done and could even possibly make the boards for me(i need 8channels/48v phan/pads/phase/bal in/out). i would be happy to pay for the boards if someone can do it for me. i am in la cali btw.

please redirect me if there is a better place to post my inquiry.

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Old 24th November 2004, 01:58 AM   #2
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Join Date: Nov 2003
Location: Atomic City, USA
Take a look at Project 66 at ESP. You would have to add 48V, pad and polarity outboard, but it may suit your needs.
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Old 24th November 2004, 03:42 AM   #3
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Join Date: Nov 2004
Location: S Cal
Default Mic Pre PCB's

Try this site:


I don't know if there is a circuit there using the INA chip you speak of, there might be, try a search. There are tons of other mic pre PCB's available in the blackmarket forum.

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Old 11th July 2007, 07:39 PM   #4
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Join Date: Jun 2007
I have some PCBs for mic preamps. They are two different types of PCBs - one is with a balanced input and the other is with an unbalanced input. Please contact me if interested.
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