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Old 22nd April 2011, 05:15 PM   #11
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Don't now what todays prices are, But a 1000 foot spool used to cost $90 in 1995.
But that was some time ago. jer
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Old 22nd April 2011, 06:41 PM   #12
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Here is the data on the West Penn #291 and #77291 cable.
The #291 is about $150 a spool and the #77291 is about $220 a spool.
I used #291 in my system as #77291 did not exsist at the time and has half of the capacitance of the #291 that I used.

I have even used this cable (291) for short runs (up to at least 30 feet) of video as well with no degradeation or loss in signal.
However this is not a rubberized cable and it will make a crackling noise when stepped on hard or whipped around violently.
But this type of action is considered cable abuse anyhow.

I hope this helps you. jer


P.S. Just remember to only ground the shielding on one end only, and make sure that all the the cables are going one way.
It doesn't matter which ends you use for input or output, just make sure that you use the same format throughout the system.
Just think of the cable as a oneway road (sort of speaking).
If you ground the shielding on both ends you cause a ground loop within the cable itself and the shielding becomes useless.
Also the spools are 1000 feet
Attached Files
File Type: pdf 291.pdf (30.4 KB, 18 views)
File Type: pdf 77291.pdf (28.5 KB, 15 views)

Last edited by geraldfryjr; 22nd April 2011 at 06:56 PM.
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Old 22nd April 2011, 07:03 PM   #13
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The prices I quoted where from West Penn MSRP list.
These guys have it much cheaper,

West Penn Wire

Here Is the cable,

22awg/2 stranded tinned copper conductors, shielded with an overall jacket, 1,000'
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Old 22nd April 2011, 08:14 PM   #14
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Quote:
Originally Posted by geraldfryjr View Post
The prices I quoted where from West Penn MSRP list.
These guys have it much cheaper,

West Penn Wire

Here Is the cable,

22awg/2 stranded tinned copper conductors, shielded with an overall jacket, 1,000'
Not really suitable cable for audio leads as we're discussing here though, which costs a lot more than that.
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Old 22nd April 2011, 08:42 PM   #15
defect9 is offline defect9  Ireland
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18AWG 3 conductor with shield: BELDEN|4301FE.00100|CABLE, SEC, SHLD, GREY, 4.5MM | Farnell United Kingdom

still relatively cheap when bought in bulk. less than 1 per meter.
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Old 22nd April 2011, 09:56 PM   #16
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Like I said it is not the rubberized type of cable that is used as microphones and guitar leads to the amplifiers on stage and such.

But, It is what is used for the interconnects between the mixer, recorder and effect units in professional recording systems and I have well over 6000 feet of it in my system.

Belden is a very execelent cable as well and I have been using it exculsivly since whirlwind was the first to come out with it in the 70's for its use as a guitar cable.

There are many different types of cable for different applications and in this particular example the application was not specified.

The question was ; "is it okay for me to make my own cables?" and " where can I get shielded cables with two wires?"

As I stated before the diffrence between these to types of cable is night and day when it comes to high frequency response and I have confirmed this with an a A/B comparison between the two different types.

Cherrs. jer

Last edited by geraldfryjr; 22nd April 2011 at 10:11 PM.
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Old 24th April 2011, 10:53 PM   #17
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I found a place that sells the wire, but what should i look for in the cable, thickness? Where do i start. The place i found is an overstock electronics store.
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Old 25th April 2011, 12:24 AM   #18
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It all depend on the application, But basicaly you want to have a cable that has a low capacitance.
As cable that has a rather high capacitance will attenuate the higher frequency's over a long run. jer
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Old 25th April 2011, 04:11 AM   #19
gootee is offline gootee  United States
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You could also start with coax and either just add the connectors you need or make a cross-connected pair. Below are a few links to articles and some comparison tests. I think some of them are geared toward speaker cables, but there is information that is useful for all applications, also.

Belden 89259 DIY RCA Interconnect Cables

Cross Coax Cables Design vs Zip Cord - Analysis — Reviews and News from Audioholics

Speaker Cable Face Off 1 — Reviews and News from Audioholics

Technical Info

diy audio cables - Google Search

diy audio cables coax - Google Search
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Old 25th April 2011, 11:37 AM   #20
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Quote:
Originally Posted by defect9 View Post
18AWG 3 conductor with shield: BELDEN|4301FE.00100|CABLE, SEC, SHLD, GREY, 4.5MM | Farnell United Kingdom

still relatively cheap when bought in bulk. less than 1 per meter.
But you can buy a ready made XLR lead, as cheap as 30m for 19.11+VAT (from CPC, a division of Farnell) - and their quality seems good, nice low noise and not at all microphonic.

That's my point - it's often cheaper to buy leads than make them.

Running fitted leads for a studio is a different matter, you don't need the flexibility and strength, but you do need it in BIG drums
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