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Replace stock Dual 505 RCA cable ?
Replace stock Dual 505 RCA cable ?
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Old 12th November 2015, 10:48 PM   #1
system100 is offline system100  Hungary
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Default Replace stock Dual 505 RCA cable ?

I wonder if it would be a good idea to replace the cheap looking RCA audio cable on my Dual 505 turntable, with high quality microphone/studio cables (like KLOTZ, Sommer etc.) and gold plated connectors ? or is there a reason they used that particular/stock wire ?
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Old 12th November 2015, 10:59 PM   #2
rayma is offline rayma  United States
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Quote:
Originally Posted by system100 View Post
I wonder if it would be a good idea to replace the cheap looking RCA audio cable on my Dual
is there a reason they used that particular/stock wire ?
They used it for cost, mainly. If the cables plug in, changing them will be easy.
Bear in mind that this will change the load capacitance on your cartridge.
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Old 13th November 2015, 12:48 AM   #3
system100 is offline system100  Hungary
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Originally Posted by rayma View Post
Bear in mind that this will change the load capacitance on your cartridge.
Hmm, not sure what the actual effect of this would be ?

Can I just install two RCA jacks on the back and use whatever cable I like ?
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Old 13th November 2015, 01:43 AM   #4
rayma is offline rayma  United States
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Originally Posted by system100 View Post
Hmm, not sure what the actual effect of this would be ?
Can I just install two RCA jacks on the back and use whatever cable I like ?
Sure, but take care with the wiring inside the turntable to avoid noise pickup.
Use shielded cable or twisted pairs inside.
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Old 13th November 2015, 09:51 PM   #5
system100 is offline system100  Hungary
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Not sure I quite understand the capacitance issue. Should I make sure the new cable have minimum capacitance ? The stock cable is so cheap on the 505... don't really get how they used such type :/
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Old 13th November 2015, 09:59 PM   #6
chrisb is offline chrisb
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As said before, cheap cabling was used on the Duals, and for that matter most of the Thorens for price consideration.
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Old 13th November 2015, 11:00 PM   #7
rayma is offline rayma  United States
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Quote:
Originally Posted by system100 View Post
Should I make sure the new cable have minimum capacitance ?
Yes, then you'll be able to adjust the total load capacitance as needed upward for your cartridge.
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Old 14th November 2015, 01:25 AM   #8
system100 is offline system100  Hungary
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Well, I ended up using this Sommer Stage 22, 50cm length cables with good RCA connectors. I wonder if there's a chance I now hear less high frequencies. Does it make any sense or do I just making false assumptions ? (before I go back and put in the cheap, stock cable...)

Sommer cable Shop | Microphone Cable Stage 22 Highflex; 2 x 0,22 mm; PVC 6,40 mm; black | purchase online
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Old 14th November 2015, 01:38 AM   #9
rayma is offline rayma  United States
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Originally Posted by system100 View Post
Well, I ended up using this Sommer Stage 22, 50cm length cables with good RCA connectors.
I wonder if there's a chance I now hear less high frequencies.
These are 68pF/m conductor to conductor, and 130 pF/m conductor to shield.
This is moderately low capacitance. What cartridge and preamp do you use?
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Old 14th November 2015, 03:22 PM   #10
system100 is offline system100  Hungary
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Audiotechnica AT30E (MC) + Famco Nuance preamp with phono stage going from Tape Out to a passive volume control and then to my QUAD 405.
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