>-----Original Message-----
>From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] 
>Sent: 01 September 2005 15:50
>To: Microcontroller discussion list - Public.
>Subject: Re: [EE] Alternative to expensive audio transformer?
>
>
>>The recording interface doesn't have mic preamps on every 
>channel - it 
>>expects a line level signal. Ah well... I guess I'll have to think 
>>about this a bit more. I may end up having to get mic pres for each 
>>channel. I'm fairly certain anything I build will sound pretty crappy.
>
>I seem to recall that an NE5534 (IIRC) is a pretty good 
>pre-amp IC used in some semi-commercial mixers.

It's a pretty low noise cheap op-amp, they are used by the bucket load even in professional mixing desks.

Regards

Mike

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