Omega III Pat-5 Preamp Help

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iclark

Omega III Pat-5 Preamp Help
« on: 8 May 2009, 11:56 am »
I have a question for Frank or anyone here about the Phono Ground RF decoupling capacitors. (.01uF 100 volt disc capacitors). Last year I replaced the jack set with gold RCA's. I have been experiencing some cross talk and I was never very happy with my workmanship, especially with the wire routing (not very neat), so I have decided to replace the jacks and rewire.
I would also like to replace the 2 disk capacitors as the leads are too short. My problem is I can't locate an exact replacement. Can any other value be subsituted?
My local parts store does have a 0.01uF 100V Radial Military Ceramic Monolythic Cap, that they swear will do the same job. My ignorance is showing here, but what is the difference between a disk cap. and a monolythic cap.? Is it just the package and are they suitable for decoupling?

Thanks,

Ian

turkey

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Re: Omega III Pat-5 Preamp Help
« Reply #1 on: 8 May 2009, 12:32 pm »
I have a question for Frank or anyone here about the Phono Ground RF decoupling capacitors. (.01uF 100 volt disc capacitors). Last year I replaced the jack set with gold RCA's. I have been experiencing some cross talk and I was never very happy with my workmanship, especially with the wire routing (not very neat), so I have decided to replace the jacks and rewire.
I would also like to replace the 2 disk capacitors as the leads are too short. My problem is I can't locate an exact replacement. Can any other value be subsituted?
My local parts store does have a 0.01uF 100V Radial Military Ceramic Monolythic Cap, that they swear will do the same job. My ignorance is showing here, but what is the difference between a disk cap. and a monolythic cap.? Is it just the package and are they suitable for decoupling?

Thanks,

Ian

Several choices show up with a search: http://www.google.com/#hl=en&q=.01+uf+ceramic+disc&fp=ry0_Tod3DXA

The caps that your local parts store has should work fine too.

avahifi

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Re: Omega III Pat-5 Preamp Help
« Reply #2 on: 8 May 2009, 06:18 pm »
Anywhere from .01 to 0.1 uF and anything from 50V to 100V of any type except electrolytic for this applicaiton will work fine as long as the body is small enough to fit in the space available.

Its not a musical issue, just a high frequency AC path to ground while isolating the DC ground path for hum loop reasons on the phono inputs.

Regards,

Frank Van Alstine