Re: Simple RIAA phono filter

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Article #8442

#8442

From: Dan Dunphy
Date: Fri, 16 Nov 1990 20:40

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Normally you only need an RIAA preamp/filter for a moving magnet
cartrige. This curve is required becauuse the MM cartiige is
a velocity device, in other words, the highest signal occurs
at the zero crossing of the groove wiggle. The output is
usually only a few millivolts.
A ceramic cartrige is an amplitude sensitive device, and
would require a different type of compensation if any.

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From: dunphy@col.hp.com (Dan Dunphy)
Newsgroups: sci.electronics
Subject: Re: Simple RIAA phono filter
Message-ID: <16120012@col.hp.com>
Date: 16 Nov 90 20:40:07 GMT
References: <90311.114631MKUHN@auvm.auvm.edu>
Organization: HP Colorado Springs Division
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