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2. Re: Phantom power noise - again!!!

Subject: 2. Re: Phantom power noise - again!!!
From: "Chuck B" cgbragg
Date: Thu Mar 22, 2007 1:06 pm ((PDT))
Klas Strandberg wrote:

>I often buy an IC which has been released on the market. I read the
>data.sheet and it's mostly very accurate.
>But it is not until I start working with the IC, that I discover
>it's  limitations and partly awkward characteristics! The designer
>who plots the entire PCB with a computer, he never discovers that.
>I believe that the Samson people had planned to make a more expensive
>recorder. It has four tracks, balanced and fairly good inputs, a
>clean phantom power and surprisingly low noise internal cardioids.
>(Not good enough for naturesound, though) But they never discovered
>the error with the 600 Hz tone until it was too late. The production
>was already going behind the point of no return.
>
>
    I have to admit I don't understand this.Wouldn't a working prototype
have this problem? It happens during normal use. Sure, components can be
tricky (let me tell you some day about building an electronic organ in
the 60s) but to go into production without having tested several
prototypes (to weed out components with +/- specs to see if some were
outside the requirements of the circuit) seems pretty terrible to me.


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Chuck Bragg, Pacific Palisades, CA
Membership, Newsletter, Web manager
Santa Monica Bay Audubon Society
www.smbas.org
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