Bi-Wire Worth the effort?

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  • dragon1952
    dragon1952 Posts: 4,907
    edited March 2006
    I think he should bi-wire with experienced shielded speaker cables running through his walls.
    2 channel - Willsenton R8 tube integrated, Holo Audio Spring 3 KTE DAC, audio optimized NUC7i5, Windows 10 Pro/JRiver MC29/Fidelizer Plus 8.7 w/LPS and external SSD drive, PS Audio PerfectWave P3 regenerator, KEF R3 speakers, Rythmik F12SE subwoofer, Audioquest Diamond USB cable, Gabriel Gold IC's, Morrow Audio SP5 speaker cables. Computer - Windows 10/JRiver, Schiit Magni 3+/Modi 3+, Fostex PMO.4n monitors, Sennheiser HD600 headphones
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  • TroyD
    TroyD Posts: 13,086
    edited March 2006
    Hmmmm...it would seem F1Nut has a question that someone doesn't want to answer.........

    BDT
    I plan for the future. - F1Nut
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  • haveyouever
    haveyouever Posts: 25
    edited March 2006
    TroyD wrote:
    Hmmmm...it would seem F1Nut has a question that someone doesn't want to answer.........

    BDT

    Good Observation... Sorry!!... I was trying to keep the thread focused on my original question and not on me?...

    In regards to shielded cable experience, I've been in the controls industry since 1979. I started with the Thermodynamics Research Center at Texas A&M University and I have been very fortunate to have crossed the Aviation industry, Space Industry and now the Oil Industry within my career. I am presently consulting for Granherne, Inc. in Houston, TX (Halliburton/KBR!!). My current title is Senior Consultant, where I have had the opportunity to trouble shoot/design onshore/offshore control systems for the last 15 years. Controls have a simple rule - your DCS/PLC control system is as good as it's calibrated field devices. Hence, shielded cables between end devices and the control room DCS/PLC are a critical path to the refinery process. Normally, this would be based on a 24Volt 4-20mA Control Loops (Process Integral Derivative (PID) Loops!!). I also have extensive experience with the shielding of subsea umbilicals for 100 mile offsets. The attenuation is a monster and shielding plans a big role in it’s design.

    Now, with all that being said... you asked??... … it's your environment that dictates your shielding requirements. One member posted the comment "effort?" well, my HT room backs up to my kitchen. I have 240 Volt wiring in this wall for my girl friends double racked stove???? … it’s worth every penny!!!, not to mention the five!!... yes! Five!!! fire breaks... in this wall. Needles to say, a good shielded cable is a must – plus the effort required to re-route these cables. Which, brings me back to me original question that started the tread?... Is Biwiring Worth the Effort?

    IMO, it didn't really make any difference. If you have a good amp driving your speakers, adding more copper between them didn't seem to make any difference??... :)…
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  • haveyouever
    haveyouever Posts: 25
    edited March 2006
    Ooops!... sorry!!... got lost in my bio!!!... :)... here's what I am using for my in-wall wiring... http://www.iecables.com/cab002-14spshpl.html... and yes!... I know I don't need the plenum protection but, I got a good deal on it!!... best regards!!... thomas
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  • Hoop
    Hoop Posts: 28
    edited March 2006
    Couple of things in all the technical mumbo jumbo being bantered about.

    P in PID is 'proportional'. (Or as a whole it could mean process and instrumentation diagram as well.)

    You cross cables at a 90* angle, not to reduce the 'contact area' but because the induced current is generated in the same direction as the original current.

    Bonus: (not mentioned in this topic but commonly misunderstood) It's concrete, not cement. Cement is one of the four primary ingredients in concrete. The others are water, coarse aggregate (rock), and fine aggregate (sand). You may have air entraining agents, plasticizers, etc. but they're in minute quantities and aren't a necessary part of the recipe.
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  • F1nut
    F1nut Posts: 50,748
    edited March 2006
    Ok boys, you duke it out. I still say with a good shielded cable it doesn't matter.

    What will make a difference is replacing the stock jumpers.
    Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."

    President of Club Polk

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  • haveyouever
    haveyouever Posts: 25
    edited March 2006
    No Duking it out here!!!... thanks Hoop!!... your right, it's been a while... :)... you cross at a 90 degree angle for both reasons!!!...

    Good Bonus Recipe... now, is your bonus deal at your every day low price?
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  • Hoop
    Hoop Posts: 28
    edited March 2006
    I'm no electrical engineer (civil), but I have a lot of controls and systems in my business. I've tried to learn a few things as I went along.

    Lots of other good information here though.

    Yep, every day low price... free. (I hope you get more than you paid for)
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