Hi Kim!
Thanks for filling in this piece of the jigsaw.
The snip that followed I liked VERY much!
Unfortunately neither of your TinyUrl links worked for me (below and
'speaking of stereo'.
I had no idea when I asked my original question, how complex it was!
Thanks again to all who took part.
Cheers
Max
Kim Cascone wrote:
>> Me again;
>> This seems to imply that ANY three wire cable will automatically, via
>> the anti-phase component, cancel any electrical noise. Is it that the
>> 'common mode noise rejection' is not incorporated in all equipment, or
>> is there another explanation?
>>
> all *balanced* inputs (meaning the actual opamp or amp circuit
> itself) will have a 'common mode noise rejection' specification
> most of the CMNR specs on good opamps (THAT 1512 etc) today are so
> good one doesn't really have to bother knowing them -- unless you are
> a spec junkie
>
> hence a properly built microphone cable using good shielding and well
> grounded gear will assure that most EM or RF hitting the cable will
> be nulled at the balanced amp
> like others pointed out: Mogami, Canare or Belden are good choices
>
> I also uploaded a pdf to the server with info about Canare Star Quad
> cables 'starquadCableInfo.pdf'
> I use a pair of 5ft Star Quads that I bought years ago for
> interconnecting in my studio
> so I put them to work after finding them at the bottom of a box in my
> studio closet
>
> but stay clear of the audiophile high-end cables that are
> cryogenically dipped or blessed by pygmy holy men in Jakarta -- like
> someone stated previously: cables are the biggest scam in audio
> see quad hanger wire vs. Monster cable test:
> http://tinyurl.com/5eqtnw
>
> <snip>
>
>> We gathered up a 5 of our audio buddies. We took my "old" Martin
>> Logan SL-3 (not a bad speaker for accurate noise making) and hooked
>> them up with Monster 1000 speaker cables (decent cables according
>> to the audio press). We also rigged up 14 gauge, oxygen free Belden
>> stranded copper wire with a simple PVC jacket. Both were 2 meters
>> long. They were connected to an ABX switch box allowing blind fold
>> testing. Volume levels were set at 75 Db at 1000K Hz. A high
>> quality recording of smooth, trio, easy listening jazz was played
>> (Piano, drums, bass). None of us had heard this group or CD before,
>> therefore eliminating biases. The music was played. Of the 5 blind
>> folded, only 2 guessed correctly which was the monster cable. (I
>> was not one of them). This was done 7 times in a row! Keeping us
>> blind folded, my brother switched out the Belden wire (are you
>> ready for this) with simple coat hanger wire! Unknown to me and our
>> 12 audiophile buddies, prior to the ABX blind test, he took apart
>> four coat hangers, reconnectd them and twisted them into a pair of
>> speaker cables. Connections were soldered. He stashed them in a
>> closet within the testing room so we were not privy to what he was
>> up to. This made for a pair of 2 meter cables, the exact length of
>> the other wires. The test was conducted. After 5 tests, none could
>> determine which was the Monster 1000 cable or the coat hanger wire.
>> Further, when music was played through the coat hanger wire, we
>> were asked if what we heard sounded good to us. All agreed that
>> what was heard sounded excellent, however, when A-B tests occured,
>> it was impossible to determine which sounded best the majority of
>> the time and which wire was in use. Needless to say, after the
>> blind folds came off and we saw what my brother did, we learned he
>> was right...most of what manufactures have to say about their
>> products is pure hype. It seems the more they charge, the more
>> hyped it is.
>>
>
> </snip>
>
>
>
> ------------------------------------
>
> "While a picture is worth a thousand words, a
> sound is worth a thousand pictures." R. Murray Schafer via Bernie Krause
> Yahoo! Groups Links
>
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