Re: mic preamp modification
- From: Pooh Bear <rabbitsfriendsandrelations@xxxxxxxxxxx>
- Date: Sat, 09 Apr 2005 02:31:45 +0100
rex wrote:
> On Fri, 8 Apr 2005 22:29:21 +0100, John Woodgate
> <jmw@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> >I read in sci.electronics.design that rex <notat@xxxxxxxxxxxxxxx> wrote
> >(in <i5qd51dstese4da78r80l933v66id016vg@xxxxxxx>) about 'mic preamp
> >modification', on Fri, 8 Apr 2005:
> >>These are not smd parts. They are radial lead, about 5mm dia x 10 mm
> >>long. It was hard to read them in the circuit but I didn't see anything
> >>other than the 0402 that could be a value, so I assume it might mean
> >>4000 somethings.
>
> >0402 is almost certainly a date code for April 2002.
I reckon Feb 2004 personally.
> Ah, yes, never thought of that. The important stuff must have been
> somewhere else on the thing that I couldn't see.
V.likely. See my 'correction' post. If it's as you describe it's certainly an
electrolytic cap.
Do you have any way of getting a schematic ? Mic amps are one of my
specialties. I'll give you my advice for free.
Graham
.
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