Thread: Capacitance question
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October 30, 2020, 10:16 PM #1
- Join Date
- Jan 2017
- Location
- Left Coast
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Capacitance question
Hi - I just bought a Lyra Etna and before I set this up I want to figure out what the loading should be. I have a Synergistic Research Excite phono cable and I'm no sure what the capacitance is ( nothing i could find on the website). I also need the capacitance of the internal wiring of the VPI FatBoy. If you can help please let me know!!
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October 30, 2020, 11:40 PM #2
Re: Capacitance question
Welcome to the forum.
I have no clue but I am sure someone can help.Fleetwood Deville by Oswald Mills Audio, Vienna Acoustics Haydn Jubilee, Wharfedale Linton w/ stands, Klipsch RB-75, Klipsch RP-160M.
Job INTegrated. Luxman L-595aSE
NAD C 658 streamer.
First Watt SIT-3, Job 250 Monos, NuForce STA200, AkitikA GT-102 amp, ASL Wave monos, Dennis Had 45 monos. Absolute Audio Labs PCF 25 amp (improved First Watt F7 super clone)
Topping D90, RME Audio ADI-2 DAC FS, ModWright Ultimate Sony XA-5400ES.
Burmester 948, McIntosh MCLK12, Kimber Kable, Siltech, Cardas, Avanti Audio cables.
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October 31, 2020, 11:48 AM #3
Re: Capacitance question
It’s an MC Cart so unlike a MM cart, the capacitance doesn’t really matter much. Hopefully your phono pre has adjustable resistive loading so you can dial in your new and awesome cart! Congrats and enjoy.
Tom
Audio:
Amati Futura Mains
Amati Homage VOX Center,
Proac Response 1sc Rears,
Three MC2301's for L,C,R
MC 602 for the rears
C 1100, MX 151, MCD 1100, MR 77
Nottingham Dais with Sumiko Palo Santos Presentation
SurfacePro 3, JRiver, WW Starlight Platinum USB, Schiit Yggdrasil, Benchmark DAC3 HGC
Video:
MX 151, OppO BDP-95, JVC RS-500 DILA projector, 106" diagonal Stewart Luxus Screenwall Deluxe with Studiotek 130 G3 material.
Lake House:
Ohm F, MC 275V, C2300, MR 80, Rega P3
OnDeck:
McIntosh MAC 4300v
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October 31, 2020, 12:30 PM #4
Re: Capacitance question
Congrats! The Etna is a top shelf cartridge.
And, welcome to AS!_______________
Mike
Amplification: MBL 6010D, MBL 9008A Monos
Analog: Kuzma R, Kuzma 4Point (11”), MSL Ultra Eminent EX
Phono Pre: Pass XP-27
Digital: Esoteric N01XD Esoteric K05
Speakers: MBL 101E MKII
Subwoofers: REL Carbon Specials
Conditioner: Shunyata Triton 3
Power Cables: Shunyata Sigma 1 & 2, Alpha 2, Delta and Venom
ICs and SCs: Wireworld Platinum 8
Rack: Artesania Exoteryc
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October 31, 2020, 12:31 PM #5
- Join Date
- Jan 2017
- Location
- Left Coast
- Posts
- 2
Re: Capacitance question
Hi Tom, thanks for responding. I thought it was the other way around? I thought capacitance value didn't matter for MM carts but does for MC. In the instructions for the Etna J. Carr provides a table to come up with the proper loading. For this apparently the capacitance is needed but I don't have it. BTW I see you have Ohm F speakers - I had a pair of those in the 1980's - awesome speakers...!
Brian
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October 31, 2020, 04:17 PM #6
Re: Capacitance question
Thanks Brian - we are enjoying the F’s at our lake home. Fun speakers.
MM carts are very capacitance sensitive - because their resistance and inductance is very high they interact with the arm and cable capacitance.
MC carts have very low resistance and inductance so the cable and arm capacitance is much less of a factor.
If you need to guess, a value of 20 pF / ft is ‘in the ballpark’ but cables vary so much in their construction it could be anywhere from 10 pF/ft to 100 pF/ft.
Enjoy your new cart - it’s a beauty!Tom
Audio:
Amati Futura Mains
Amati Homage VOX Center,
Proac Response 1sc Rears,
Three MC2301's for L,C,R
MC 602 for the rears
C 1100, MX 151, MCD 1100, MR 77
Nottingham Dais with Sumiko Palo Santos Presentation
SurfacePro 3, JRiver, WW Starlight Platinum USB, Schiit Yggdrasil, Benchmark DAC3 HGC
Video:
MX 151, OppO BDP-95, JVC RS-500 DILA projector, 106" diagonal Stewart Luxus Screenwall Deluxe with Studiotek 130 G3 material.
Lake House:
Ohm F, MC 275V, C2300, MR 80, Rega P3
OnDeck:
McIntosh MAC 4300v
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