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RadioDiscussions.com Discussion Boards>RADIO PROS>Engineering>Phono preamp, help.
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Author Topic: Phono preamp, help.  (Read 803 times)
David Reaves
rimember

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Posts: 345
Re: Phono preamp, help.
« Reply #10 on: January 16, 2012, 02:32:15 PM »
Quote from: TomT on January 15, 2012, 08:27:17 PM
<snip>
The preamp should have a pre-emphasis circuit that compensates for the RIAA curve, perhaps it is not in the circuit?

Actually the pre-amp, similar to an FM tuner, should have DE-emphasis.
http://en.wikipedia.org/wiki/RIAA_curve

The audio should sound shrill if there is no compensating equalization.

Kind Regards,
David
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David P. Reaves, III
TomT
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Re: Phono preamp, help.
« Reply #11 on: January 16, 2012, 05:36:32 PM »
Yep, what I thought, but didn't type.  Too busy watching football.
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