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Post by wjcorbinjr on Apr 3, 2017 8:30:22 GMT -5
Folks,
I want to use my Shure V15 III MM cart with my Emotiva USP-1 preamp. My question: The specs for the V15 III list 47 Ohms (covered on USP-1) resistance setting with 400 to 500 PicoFarads. What is the pF figure for the USP-1? I've seen on other forums that to properly load this cartridge, I need to consider that with typical interconnects that have @100 pF I need to add this to the preamp pF rating to get in the 400-500 pF recommended for this cartridge. Various adaptor schemes can be employed to get to this total 400-500 pF recommendation, but I need to know what the USP-1 is rated for to have a starting point to calculate the total pF. Thanks!
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Post by Axis on Apr 3, 2017 9:44:26 GMT -5
I have the USP-1 and use it with a Moving Magnet cartridge. Just select MM on the USP-1 and you will get %100 lovely sound from you Shure V15. I was a proud owner of a Shure V15 for 20 years and highly recommend one if you can find one. Do they still make them ?
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Post by Axis on Apr 3, 2017 9:49:44 GMT -5
Look into these cables for your turntable. There are other good just ordinary cables like Monoprice or Emotiva that perform very good with a turntable that do not cost much. Low Capacitance cables for long runs can be helpful. Blue Jeans Cable LC-1 Low Capacitance Audio Cable. The capacitance is extremely low, at 12.2 pF/ft, www.bluejeanscable.com/store/audio/LC1-design-notes.htm |
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Post by Axis on Apr 3, 2017 9:54:22 GMT -5
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edrummereasye
Sensei
"This aggression will not stand, man!"
Posts: 438
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Post by edrummereasye on Jun 23, 2017 11:47:31 GMT -5
Folks, I want to use my Shure V15 III MM cart with my Emotiva USP-1 preamp. My question: The specs for the V15 III list 47 Ohms (covered on USP-1) resistance setting with 400 to 500 PicoFarads. What is the pF figure for the USP-1? I've seen on other forums that to properly load this cartridge, I need to consider that with typical interconnects that have @100 pF I need to add this to the preamp pF rating to get in the 400-500 pF recommended for this cartridge. Various adaptor schemes can be employed to get to this total 400-500 pF recommendation, but I need to know what the USP-1 is rated for to have a starting point to calculate the total pF. Thanks! Well this is a mighty old thread, but since the original question hasn't been answered.... I don't know. I've seen a value of 220 pF for the XPS-1 though... may or may not be indicative of the general range for the USP-1. I do have a USP-1 (as well as an XSP-1 Gen1, and and XPS-1)... I will check when I get home if my digital MM can measure capacitance in the ~200 pF range. If not, I will be ordering a dedicated capacitance meter soon - I have to try to arrive at a good setup for my ClearAudio Ebony Virtuoso Wood, which wants to see a total of only 100 pF! |
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