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Wiring Jensen JT 44K DX
Wiring Jensen JT 44K DX
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Old 17th October 2020, 02:23 AM   #1
Beep23 is offline Beep23
diyAudio Member
Join Date: Oct 2020
Default Wiring Jensen JT 44K DX

Hello If anyone can help me wire this MC SUT. Im trying to use it with a Denon 103r 14 Ohm to a Hagerman trumpet. Im trying to load it at 470 ohms.

The part that I'm confused about is the resistors that are recommended to reduce ringing. Somewhere I read that they are not needed unless I'm trying to reduce load

I know the recommended load is 100 Ohm for cart but i don't want to reduce load unless its necessary so I was planning on listening to it at 427ohm before reducing load. Thank you all for the help
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Old 17th October 2020, 02:53 AM   #2
rayma is online now rayma  United States
diyAudio Member
Join Date: Apr 2011
The secondary is terminated with 47k inside the preamp. The 47k reflects to the primary as 470R.
So leave the primary winding without a load resistor to get 470R loading.
To get below 470R loading, add a primary resistor to ground. For 100R loading, add 127R to ground.

Jensen does recommend an RC damping network across the secondary, depending on the cartridge's
source resistance. See the data sheet.

Last edited by rayma; 17th October 2020 at 03:02 AM.
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Old 17th October 2020, 10:34 PM   #3
egellings is offline egellings  United States
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Join Date: Aug 2010
Location: CA
I have these and currently use them as shown for the Denon DL301-II with excellent results
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