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Old 14th December 2011, 12:41 PM   #21
AndrewT is offline AndrewT  Scotland
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Screened star quad microphone cable is good for audio.
Good screening.
Good rejection due to 4core geometry.
Good resistance to microphony.

Size, not so good.
Flexibility, not so good.
Cost, not so good.
Capacitance, not so good.

Why can't an unshielded twisted pair do the job?
If you prove that UTP is not up to spec, then consider screened TP.

Both STP & UTP are great with balanced impedance connections.
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Old 14th December 2011, 12:53 PM   #22
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Well, that is the crunch - possible but not likely in retail products like CDP, TT or affordable Preamps and it does seem ridiculous to modify your equipment to suit the cables.
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Old 14th December 2011, 01:01 PM   #23
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Hi Sakis
I recommend you read Cyril Batemans articles from Electronics and Wireless World
December 1996, p. 925; January 1997, p.52 and February 1997, p.119.

that draws some surprising and nice conclusions about the use of coax in audio use

Your library may be able to source these for you.

Cheers / Chris
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Old 14th December 2011, 01:21 PM   #24
AndrewT is offline AndrewT  Scotland
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Quote:
Originally Posted by Ian Finch View Post
it does seem ridiculous to modify your equipment to suit the cables.
the electronics at each end of the cable should already be designed and built to suit typical cable types.
If it's not, then it's incompetently designed/developed/productionised/retailed.
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Old 14th December 2011, 02:16 PM   #25
qusp is offline qusp  Australia
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for single ended connections i favor either shielded TP, or Belden 1694A, if thinner is needed the belden digitruck brilliance line is nice. but as all my current gear is balanced i use twisted pair in just about everything, whether thats made by hand, or by pulling the pairs out of belden PTFE network cable depends on my mood.
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Old 14th December 2011, 02:25 PM   #26
jez is offline jez  United Kingdom
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Quote:
Originally Posted by AndrewT View Post
a cable has no sound of it's own.
The effect that a cable can have on the source is predictable.
The effect a cable can have on the load is predictable.

Both the source and the load can and will misbehave when they are terminated by inappropriate cables. The misbehaving electronics either side of the cable do have a sound of their own.
Amen!
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Old 14th December 2011, 02:31 PM   #27
jez is offline jez  United Kingdom
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On the noise from coaxial cable... A quote from a Belden technical paper.

"In broadcasting, there are mechanically-induced noise interference problems as well. Triboelectric noise is generated by movement in the cable's components, resulting in a static or piezoelectric effect. Mechanically-induced noise is a critical and frequent concern in the use of guitar cords, microphone cables, and other cables that may be flexed while in use."

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Old 14th December 2011, 02:37 PM   #28
AndrewT is offline AndrewT  Scotland
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Default Cables and Buffers

As a follow up:

I built and tried a DCB1, Hypnotize (2 versions) and Mezmerize (1 version) in my system.

So many Members, that have built a DCB1, claim extraordinary improvements in the sound quality coming from their systems, that I cannot possibly go wrong by investing some time and some money in trying it for myself.

I was disappointed.

I could not hear any change in the sound quality between any of the 4 setups.
Admittedly this was/is with just two source components. A DVD player replaying genuine CDs and an FM only tuner replaying a wide variety of Radio music.

I guess that the reason for not hearing a change is because I don't have a misbehaving source/s. The Source component/s is/are designed to interface with the normal range of typical interconnects and receivers.

Inserting the buffer cannot correct misbehaviour, if it is not there to be corrected.

The cables did not cause the system to misbehave. The cables did not have a sound of their own. The buffer could not improve on the equipment to cable interface. I could not hear the resultant change in sound quality performance.
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Old 14th December 2011, 03:06 PM   #29
Koenjer is offline Koenjer  Netherlands
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Default interlink

I'm using this as analog interlinks.

Very good quality cable and connectors. When asked, seller even includes printout of the sweep test.

Cable is a bit stiff, but sound really good.

http://www.ebay.nl/itm/Belden-1694A-...item29f25ffa04
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Old 14th December 2011, 04:11 PM   #30
jcx is offline jcx  United States
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guitar pickup cable is a special case as are several other raw transducer interface cables

the typical inductive guitar pickup resonates with its cable + preamp C at audio frequencies - the impedance is so high that MegOhm Z audibly changes the peaking


SS outputs, preamps, CD/SACD/DVD players will generally have low output Z, often ~ 100 Ohm resistor is used in series with the output to provide isolation of the feedback loop from cable C loading effects, and possibly short circuit protection

Last edited by jcx; 14th December 2011 at 04:15 PM.
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