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changing MC cart loading
changing MC cart loading
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Old 30th June 2006, 11:12 AM   #1
woodturner-fran is offline woodturner-fran  Ireland
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Join Date: Jan 2006
Location: Ireland
Default changing MC cart loading

Hi all,


Does anybody know what the correct way to do this? I want to use the MC output part of my phono stage (NADpp2) for a denon cart which should be loaded with 1.5K or so. Can I just open up the box and solder in the appropriate resistor across the RCA jacks, i.e. 1.5k resistor from centre pin to outer? Will this do it?

Or should it be with the resistor in series, between the pos centre pin and lead from it?

Fran
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Old 30th June 2006, 12:06 PM   #2
sreten is offline sreten  United Kingdom
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Join Date: Nov 2003
Location: Brighton UK
Hi,

The PP2 input MC loading is 100 ohms + 100pF.

Assuming the input stage uses series feedback you need to find
this input loading resistor and change it to 1.5Kohm both channels.

/sreten.
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