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<blockquote data-quote="thylantyr" data-source="post: 2200156" data-attributes="member: 560358"><p>This is my DIY cable article.</p><p></p><p>Pics;</p><p></p><p><a href="http://home.pacbell.net/lordpk/cables" target="_blank">http://home.pacbell.net/lordpk/cables</a></p><p></p><p><a href="http://home.pacbell.net/lordpk/cables" target="_blank">http://home.pacbell.net/lordpk/cables</a>/Belden_8760_TRS_Cable/</p><p></p><p><strong>Pictures are numbered 1.jpg through xx.jpg to see</strong></p><p></p><p><strong>step by step progress. </strong></p><p></p><p>I'm going to order Belden cable to make DIY audio cables.</p><p></p><p>I was previously using Belden 8760 from the old days and</p><p></p><p>I used it all. Time to re-evaluate my options before placing</p><p></p><p>an order.</p><p></p><p>It appears that a supplier called <a href="http://www.markertek.com" target="_blank">http://www.markertek.com</a> has good prices.</p><p></p><p>For example, 500 feet of Belden 8760 cable is $70 at Markertek vs. $130 at Mouser.com</p><p></p><p><strong>NOTE:</strong> Because this vendor seems to offer good pricing I will only choose cables that they</p><p></p><p>stock, so I'm only going to make the recommendation based on this fact.</p><p></p><p>Which type of audio cable do I want ?</p><p></p><p>* I want a shielded cable.</p><p></p><p>* I want two signal conductors, for balanced {proaudio gear}, plus allow un-balanced {home audio} interconnects.</p><p></p><p>* I want 18 awg - 22 awg wire for reliability {thin wires break}.</p><p></p><p>* Bonus: A cable that supports digital signals if the price is low enough.</p><p></p><p><strong>Google reveals</strong></p><p></p><p>For unbalanced, many are taking the advice from this person here;</p><p></p><p><a href="http://www.geocities.com/jonrisch/i1.htm" target="_blank">http://www.geocities.com/jonrisch/i1.htm</a></p><p></p><p>and buying Belden 89259 coax. Markertek doesn't carry it.</p><p></p><p>The Mouser price is 100 feet for $263, 1000 feet for $1900.</p><p></p><p>This is good stuff but I don't believe in cable audio voodoo where esoteric cables sound better.</p><p></p><p>The simple science behind cables reveals the truth. If you need to run a single interconnect at hundreds</p><p></p><p>of feet or thousands of feet then you need to look at <strong>better</strong> cables where higher frequencies such as digital interconnects will cause more problems than standard 20hz - 20khz analog audio.</p><p></p><p><strong>Note:</strong></p><p></p><p>Belden offers plenum and non plenum version of cable. Typcially the number 8 is the before the part number for</p><p></p><p>plenum version. ie, that coax cable 89259 is the plenum version of 9256. Plenum versions are high temp cables</p><p></p><p>and they use different insulation materials, typcally 'Teflon' which gives it the high temp rating and much</p><p></p><p>lower capacitance in the cable. The cost is huge for plenum. For example, Mouser charges $1900 for 1000 feet</p><p></p><p>of 89259, Markertek charges $195 for 1000 feet for 9259,</p><p></p><p>the non plenum version.</p><p></p><p><strong>Audio Voodoo</strong></p><p></p><p>According to the link above, Teflon sounds better, an opinion by the author. If you look at the cable resistance, inductance and capacitance</p><p></p><p>specs, it's the same. The 'audio specs' are the same for both types of cables the only real difference is</p><p></p><p>the material used to gain the higher temperature rating.</p><p></p><p><strong>Specs on those two cables, 89259 &amp; 9259</strong></p><p></p><p><strong>Belden 89259</strong>;</p><p></p><p>Nom. Characteristic Impedance: 75 ohms</p><p></p><p>Insulation Material: FFEP - Foam Fluorinated Ethylene Propylene</p><p></p><p>Outer Jacket Material: FEP - Fluorinated Ethylene Propyle</p><p></p><p>Nom. Inductance: .09 µH/ft</p><p></p><p>Nom. Capacitance Conductor to Shield: 17.3 pF/ft</p><p></p><p>Nominal Velocity of Propagation: 78 %</p><p></p><p>Nominal Delay: 1.3 ns/ft</p><p></p><p>Nom. Conductor DC Resistance @ 20 Deg. C: 15 Ω/1000 ft</p><p></p><p>Nominal Outer Shield DC Resistance @ 20°C: 2.6 Ω/1000 ft</p><p></p><p>Outer Shield Coverage: 95 %</p><p></p><p>Operating Temperature Range: -70°C To +200°C</p><p></p><p><strong>9259</strong>;</p><p></p><p>Nom. Characteristic Impedance: 75 Ohms</p><p></p><p>nsulation Material: FPE - Foam Polyethylene</p><p></p><p>Outer Jacket Material: PVC - Polyvinyl Chloride</p><p></p><p>Nom. Inductance: .09 µH/ft</p><p></p><p>Nom. Capacitance Conductor to Shield: 17.3 pF/ft</p><p></p><p>Nominal Velocity of Propagation: 78 %</p><p></p><p>Nominal Delay: 1.3 ns/ft</p><p></p><p>Nom. Conductor DC Resistance @ 20 Deg. C: 15 Ω/1000 ft</p><p></p><p>Nominal Outer Shield DC Resistance @ 20°C: 2.6 Ω/1000 ft</p><p></p><p>Outer Shield Coverage: 95 %</p><p></p><p>Operating Temperature Range: -40°C To +80°C</p><p></p><p><strong>Cables that meet my criteria</strong></p><p></p><p>What I want is a good dual conductor foil shielded twisted pair with drain wire cable that isn't too pricey</p><p></p><p>and no sacrifice to audio for normal cable lengths, not hundreds or thousands of feet of a single path.</p><p></p><p>Two conductor cable gives me the option to make unbalanced or balanced cables by using the same cable.</p><p></p><p>Here is some ideas for cables.</p><p></p><p><strong>Analog Cables </strong></p><p></p><p><strong>Belden 8760 [PE - Polyethylene] </strong></p><p></p><p>Foil shield</p><p></p><p>18 awg</p><p></p><p>60 Ohm impedance</p><p></p><p>Insulation Material: PE - Polyethylene</p><p></p><p>Nom. Inductance: 0.18uH/ft</p><p></p><p>Nom. Capacitance Conductor to Conductor @ 1 KHz: 24 pf/ft</p><p></p><p>Nom. Cap. Cond. to Other Cond. &amp; Shield @ 1 KHz: 44 pf/ft</p><p></p><p>Cable diameter: 0.222"</p><p></p><p><strong><em>Price: 500' - $70</em></strong></p><p></p><p>Comments: The cable diameter is big but it works fine with Dayton RCA</p><p></p><p>plugs and XLR connectors even with Flex tubing.</p><p></p><p><strong>Belden 8762 [PE - Polyethylene] </strong></p><p></p><p>Foil shield</p><p></p><p>20 awg</p><p></p><p>56 Ohm impedance</p><p></p><p>Insulation Material: PE - Polyethylene</p><p></p><p>Nom. Inductance: 0.18uH/ft</p><p></p><p>Nom. Capacitance Conductor to Conductor @ 1 KHz: 27 pf/ft</p><p></p><p>Nom. Cap. Cond. to Other Cond. &amp; Shield @ 1 KHz: 49 pf/ft</p><p></p><p>Cable diameter: 0.204"</p><p></p><p><strong><em>Price: 500' - $70</em></strong></p><p></p><p>Comments: Similar to 8760 but 20 awg wire and a smaller diameter cable.</p><p></p><p><strong>Belden 8761 [PE - Polyethylene] </strong></p><p></p><p>Foil shield</p><p></p><p>22 awg</p><p></p><p>64 Ohm impedance</p><p></p><p>Insulation Material: PE - Polyethylene</p><p></p><p>Nom. Inductance: 0.2uH/ft</p><p></p><p>Nom. Capacitance Conductor to Conductor @ 1 KHz: 24 pf/ft</p><p></p><p>Nom. Cap. Cond. to Other Cond. &amp; Shield @ 1 KHz: 47 pf/ft</p><p></p><p>Cable diameter: 0.175"</p><p></p><p><strong><em>Price: 500' - $58</em></strong></p><p></p><p>Comments: Similar to 8760 but 22 awg wire and a smaller diameter cable.</p><p></p><p><strong>Belden 88760 series {plenum version of 8760 series] </strong></p><p></p><p><a href="http://www.markertek.com" target="_blank">http://www.markertek.com</a> doesn't offer it.</p><p></p><p><strong>Belden 9451 [PP - Polypropylene] </strong></p><p></p><p>Foil shield</p><p></p><p>22 awg</p><p></p><p>45 Ohm impedance</p><p></p><p>Insulation Material: PP - Polypropylene</p><p></p><p>Outer Jacket Material: PVC - Polyvinyl Chloride</p><p></p><p>Nom. Inductance: 0.17uH/ft</p><p></p><p>Nom. Capacitance Conductor to Conductor @ 1 KHz: 35 pf/ft</p><p></p><p>Nom. Cap. Cond. to Other Cond. &amp; Shield @ 1 KHz: 67 pf/ft</p><p></p><p>Cable diameter: 0.116"</p><p></p><p><strong><em>Price: 1000' - $92</em></strong></p><p></p><p>Comments: Markertek offers only 1000 foot rolls and 9 different colors.</p><p></p><p>Capacitance higher than 8760 series but the specs are fine for audio.</p><p></p><p>Price per foot is very good!</p><p></p><p><strong>Belden 1883A [PP - Polypropylene Propylene] </strong></p><p></p><p>Foil shield</p><p></p><p>24 awg</p><p></p><p>52 Ohm impedance</p><p></p><p>Insulation Material: PP - Polypropylene Propylene</p><p></p><p>Outer Jacket Material: PVC - Polyvinyl Chloride</p><p></p><p>Nom. Inductance: 0.17uH/ft</p><p></p><p>Nom. Capacitance Conductor to Conductor @ 1 KHz: 31 pf/ft</p><p></p><p>Nom. Cap. Cond. to Other Cond. &amp; Shield @ 1 KHz: 58 pf/ft</p><p></p><p>Cable diameter: 0.123"</p><p></p><p><strong><em>Price: 1000' - $84 </em></strong></p><p></p><p><strong>Belden 82761 ['Teflon' {plenum}, FEP - Fluorinated Ethylene Propylene] </strong></p><p></p><p>Foil shield</p><p></p><p>22 awg</p><p></p><p>42 Ohm impedance</p><p></p><p>Insulation Material: FEP - Fluorinated Ethylene Propylene</p><p></p><p>Outer Jacket Material: LS PVC - Low Smoke Polyvinyl Chloride</p><p></p><p>Nom. Inductance: 0.16uH/ft</p><p></p><p>Nom. Capacitance Conductor to Conductor @ 1 KHz: 35 pf/ft</p><p></p><p>Nom. Cap. Cond. to Other Cond. &amp; Shield @ 1 KHz: 67 pf/ft</p><p></p><p>Cable diameter: 0.116"</p><p></p><p><strong><em>Price: 500' - $100</em></strong></p><p></p><p>Comments: Capacitance higher than 8760 series but the specs are fine for audio.</p><p></p><p><strong>Belden 1800F [FHDPE - Foam High Density Polyethylene]</strong></p><p></p><p>Highly flexible cable for microphone use</p><p></p><p>French Braid shield (95% coverage)</p><p></p><p>Bare copper wires, not tinned.</p><p></p><p>Copper strands are 42x40</p><p></p><p>24 awg</p><p></p><p>110 Ohm impedance</p><p></p><p>Insulation Material: FHDPE - Foam High Density Polyethylene</p><p></p><p>Outer Jacket Material: PVC - Polyvinyl Chloride</p><p></p><p>Nom. Inductance: 0.18uH/ft</p><p></p><p>Nom. Capacitance Conductor to Conductor @ 1 KHz: 12 pf/ft</p><p></p><p>Nom. Cap. Cond. to Other Cond. &amp; Shield @ 1 KHz: 26 pf/ft</p><p></p><p>Cable diameter: 0.211"</p><p></p><p><strong><em>Price: 500' - $270 </em></strong></p><p></p><p><strong>Belden 1503A [PO - Polyolefin] </strong></p><p></p><p>Foil shield</p><p></p><p>24 awg</p><p></p><p>38 Ohm impedance</p><p></p><p>Insulation Material: PO - Polyolefin</p><p></p><p>Outer Jacket Material: PVC - Polyvinyl Chloride</p><p></p><p>Nom. Inductance: 0.18uH/ft</p><p></p><p>Nom. Capacitance Conductor to Conductor @ 1 KHz: 53 pf/ft</p><p></p><p>Nom. Cap. Cond. to Other Cond. &amp; Shield @ 1 KHz: 97 pf/ft</p><p></p><p>Cable diameter: 0.142"</p><p></p><p><strong><em>Price: 1000' - $80 </em></strong></p><p></p><p>Comments: Capacitance higher than others.</p><p></p><p><strong>Belden 1508A [PO - Polyolefin] </strong></p><p></p><p>Foil shield</p><p></p><p>24 awg</p><p></p><p>50 Ohm impedance</p><p></p><p>Insulation Material: PO - Polyolefin</p><p></p><p>Outer Jacket Material: PVC - Polyvinyl Chloride</p><p></p><p>Nom. Inductance: 0.18uH/ft</p><p></p><p>Nom. Capacitance Conductor to Conductor @ 1 KHz: 31 pf/ft</p><p></p><p>Nom. Cap. Cond. to Other Cond. &amp; Shield @ 1 KHz: 58 pf/ft</p><p></p><p>Cable diameter: 0.131"</p><p></p><p><strong><em>Price: 500' - $62 </em></strong></p><p></p><p>Comments: This is interesting cable if you need flexibility,</p><p></p><p>expensive.</p><p></p><p><strong>Digital Cables - [AES/EBU] </strong></p><p></p><p>According to Belden, digital cables are excellent for analog use.</p><p></p><p><a href="http://www.belden.com/TB65.pdf" target="_blank">http://www.belden.com/TB65.pdf</a></p><p></p><p><strong>Belden 1800B [FHDPE - Foam High Density Polyethylene]</strong></p><p></p><p>Foil shield</p><p></p><p>24 awg</p><p></p><p>110 Ohm impedance</p><p></p><p>Insulation Material: FHDPE - Foam High Density Polyethylene</p><p></p><p>Outer Jacket Material: PVC - Polyvinyl Chloride</p><p></p><p>Nom. Inductance: 0.18uH/ft</p><p></p><p>Nom. Capacitance Conductor to Conductor @ 1 KHz: 12 pf/ft</p><p></p><p>Nom. Cap. Cond. to Other Cond. &amp; Shield @ 1 KHz: 26 pf/ft</p><p></p><p>Cable diameter: 0.177"</p><p></p><p><strong><em>Price: 500' - $100 </em></strong></p><p></p><p>Comments: Digital cables are designed to have low capacitance,</p><p></p><p>24 awg is small so the cable end may be more fragile than a bigger</p><p></p><p>awg wire.</p><p></p><p><strong>Belden 1801B ['Teflon' {plenum} FFEP - Foam Fluorinated Ethylene Propylene] </strong></p><p></p><p>Foil shield</p><p></p><p>24 awg</p><p></p><p>110 Ohm impedance</p><p></p><p>Insulation Material: FFEP - Foam Fluorinated Ethylene Propylene</p><p></p><p>Outer Jacket Material: LS PVC - Low Smoke Polyvinyl Chloride</p><p></p><p>Nom. Inductance: 0.18uH/ft</p><p></p><p>Nom. Capacitance Conductor to Conductor @ 1 KHz: 12 pf/ft</p><p></p><p>Nom. Cap. Cond. to Other Cond. &amp; Shield @ 1 KHz: 26 pf/ft</p><p></p><p>Cable diameter: 0.165"</p><p></p><p><strong><em>Price: 500' - $210 </em></strong></p><p></p><p>Comments: Same as 1800B except the plenum version cost 2x more. Same inductance and capacitance specs.</p><p></p><p><strong>Partexpress Microphone Cable </strong></p><p></p><p>Two center conductors {no drain wire}</p><p></p><p>24 awg</p><p></p><p>Blue PVC jacket</p><p></p><p>Bare copper braid, 92% coverage</p><p></p><p>No inductance and capacitance specs listed.</p><p></p><p>500 feet for $145</p></blockquote><p></p>
[QUOTE="thylantyr, post: 2200156, member: 560358"] This is my DIY cable article. Pics; [URL="http://home.pacbell.net/lordpk/cables"]http://home.pacbell.net/lordpk/cables[/URL] [URL="http://home.pacbell.net/lordpk/cables"]http://home.pacbell.net/lordpk/cables[/URL]/Belden_8760_TRS_Cable/ [B]Pictures are numbered 1.jpg through xx.jpg to see[/B] [B]step by step progress. [/B] I'm going to order Belden cable to make DIY audio cables. I was previously using Belden 8760 from the old days and I used it all. Time to re-evaluate my options before placing an order. It appears that a supplier called [URL="http://www.markertek.com"]http://www.markertek.com[/URL] has good prices. For example, 500 feet of Belden 8760 cable is $70 at Markertek vs. $130 at Mouser.com [B]NOTE:[/B] Because this vendor seems to offer good pricing I will only choose cables that they stock, so I'm only going to make the recommendation based on this fact. Which type of audio cable do I want ? * I want a shielded cable. * I want two signal conductors, for balanced {proaudio gear}, plus allow un-balanced {home audio} interconnects. * I want 18 awg - 22 awg wire for reliability {thin wires break}. * Bonus: A cable that supports digital signals if the price is low enough. [B]Google reveals[/B] For unbalanced, many are taking the advice from this person here; [URL="http://www.geocities.com/jonrisch/i1.htm"]http://www.geocities.com/jonrisch/i1.htm[/URL] and buying Belden 89259 coax. Markertek doesn't carry it. The Mouser price is 100 feet for $263, 1000 feet for $1900. This is good stuff but I don't believe in cable audio voodoo where esoteric cables sound better. The simple science behind cables reveals the truth. If you need to run a single interconnect at hundreds of feet or thousands of feet then you need to look at [B]better[/B] cables where higher frequencies such as digital interconnects will cause more problems than standard 20hz - 20khz analog audio. [B]Note:[/B] Belden offers plenum and non plenum version of cable. Typcially the number 8 is the before the part number for plenum version. ie, that coax cable 89259 is the plenum version of 9256. Plenum versions are high temp cables and they use different insulation materials, typcally 'Teflon' which gives it the high temp rating and much lower capacitance in the cable. The cost is huge for plenum. For example, Mouser charges $1900 for 1000 feet of 89259, Markertek charges $195 for 1000 feet for 9259, the non plenum version. [B]Audio Voodoo[/B] According to the link above, Teflon sounds better, an opinion by the author. If you look at the cable resistance, inductance and capacitance specs, it's the same. The 'audio specs' are the same for both types of cables the only real difference is the material used to gain the higher temperature rating. [B]Specs on those two cables, 89259 & 9259[/B] [B]Belden 89259[/B]; Nom. Characteristic Impedance: 75 ohms Insulation Material: FFEP - Foam Fluorinated Ethylene Propylene Outer Jacket Material: FEP - Fluorinated Ethylene Propyle Nom. Inductance: .09 µH/ft Nom. Capacitance Conductor to Shield: 17.3 pF/ft Nominal Velocity of Propagation: 78 % Nominal Delay: 1.3 ns/ft Nom. Conductor DC Resistance @ 20 Deg. C: 15 Ω/1000 ft Nominal Outer Shield DC Resistance @ 20°C: 2.6 Ω/1000 ft Outer Shield Coverage: 95 % Operating Temperature Range: -70°C To +200°C [B]9259[/B]; Nom. Characteristic Impedance: 75 Ohms nsulation Material: FPE - Foam Polyethylene Outer Jacket Material: PVC - Polyvinyl Chloride Nom. Inductance: .09 µH/ft Nom. Capacitance Conductor to Shield: 17.3 pF/ft Nominal Velocity of Propagation: 78 % Nominal Delay: 1.3 ns/ft Nom. Conductor DC Resistance @ 20 Deg. C: 15 Ω/1000 ft Nominal Outer Shield DC Resistance @ 20°C: 2.6 Ω/1000 ft Outer Shield Coverage: 95 % Operating Temperature Range: -40°C To +80°C [B]Cables that meet my criteria[/B] What I want is a good dual conductor foil shielded twisted pair with drain wire cable that isn't too pricey and no sacrifice to audio for normal cable lengths, not hundreds or thousands of feet of a single path. Two conductor cable gives me the option to make unbalanced or balanced cables by using the same cable. Here is some ideas for cables. [B]Analog Cables [/B] [B]Belden 8760 [PE - Polyethylene] [/B] Foil shield 18 awg 60 Ohm impedance Insulation Material: PE - Polyethylene Nom. Inductance: 0.18uH/ft Nom. Capacitance Conductor to Conductor @ 1 KHz: 24 pf/ft Nom. Cap. Cond. to Other Cond. & Shield @ 1 KHz: 44 pf/ft Cable diameter: 0.222" [B][I]Price: 500' - $70[/I][/B] Comments: The cable diameter is big but it works fine with Dayton RCA plugs and XLR connectors even with Flex tubing. [B]Belden 8762 [PE - Polyethylene] [/B] Foil shield 20 awg 56 Ohm impedance Insulation Material: PE - Polyethylene Nom. Inductance: 0.18uH/ft Nom. Capacitance Conductor to Conductor @ 1 KHz: 27 pf/ft Nom. Cap. Cond. to Other Cond. & Shield @ 1 KHz: 49 pf/ft Cable diameter: 0.204" [B][I]Price: 500' - $70[/I][/B] Comments: Similar to 8760 but 20 awg wire and a smaller diameter cable. [B]Belden 8761 [PE - Polyethylene] [/B] Foil shield 22 awg 64 Ohm impedance Insulation Material: PE - Polyethylene Nom. Inductance: 0.2uH/ft Nom. Capacitance Conductor to Conductor @ 1 KHz: 24 pf/ft Nom. Cap. Cond. to Other Cond. & Shield @ 1 KHz: 47 pf/ft Cable diameter: 0.175" [B][I]Price: 500' - $58[/I][/B] Comments: Similar to 8760 but 22 awg wire and a smaller diameter cable. [B]Belden 88760 series {plenum version of 8760 series] [/B] [URL="http://www.markertek.com"]http://www.markertek.com[/URL] doesn't offer it. [B]Belden 9451 [PP - Polypropylene] [/B] Foil shield 22 awg 45 Ohm impedance Insulation Material: PP - Polypropylene Outer Jacket Material: PVC - Polyvinyl Chloride Nom. Inductance: 0.17uH/ft Nom. Capacitance Conductor to Conductor @ 1 KHz: 35 pf/ft Nom. Cap. Cond. to Other Cond. & Shield @ 1 KHz: 67 pf/ft Cable diameter: 0.116" [B][I]Price: 1000' - $92[/I][/B] Comments: Markertek offers only 1000 foot rolls and 9 different colors. Capacitance higher than 8760 series but the specs are fine for audio. Price per foot is very good! [B]Belden 1883A [PP - Polypropylene Propylene] [/B] Foil shield 24 awg 52 Ohm impedance Insulation Material: PP - Polypropylene Propylene Outer Jacket Material: PVC - Polyvinyl Chloride Nom. Inductance: 0.17uH/ft Nom. Capacitance Conductor to Conductor @ 1 KHz: 31 pf/ft Nom. Cap. Cond. to Other Cond. & Shield @ 1 KHz: 58 pf/ft Cable diameter: 0.123" [B][I]Price: 1000' - $84 [/I][/B] [B]Belden 82761 ['Teflon' {plenum}, FEP - Fluorinated Ethylene Propylene] [/B] Foil shield 22 awg 42 Ohm impedance Insulation Material: FEP - Fluorinated Ethylene Propylene Outer Jacket Material: LS PVC - Low Smoke Polyvinyl Chloride Nom. Inductance: 0.16uH/ft Nom. Capacitance Conductor to Conductor @ 1 KHz: 35 pf/ft Nom. Cap. Cond. to Other Cond. & Shield @ 1 KHz: 67 pf/ft Cable diameter: 0.116" [B][I]Price: 500' - $100[/I][/B] Comments: Capacitance higher than 8760 series but the specs are fine for audio. [B]Belden 1800F [FHDPE - Foam High Density Polyethylene][/B] Highly flexible cable for microphone use French Braid shield (95% coverage) Bare copper wires, not tinned. Copper strands are 42x40 24 awg 110 Ohm impedance Insulation Material: FHDPE - Foam High Density Polyethylene Outer Jacket Material: PVC - Polyvinyl Chloride Nom. Inductance: 0.18uH/ft Nom. Capacitance Conductor to Conductor @ 1 KHz: 12 pf/ft Nom. Cap. Cond. to Other Cond. & Shield @ 1 KHz: 26 pf/ft Cable diameter: 0.211" [B][I]Price: 500' - $270 [/I][/B] [B]Belden 1503A [PO - Polyolefin] [/B] Foil shield 24 awg 38 Ohm impedance Insulation Material: PO - Polyolefin Outer Jacket Material: PVC - Polyvinyl Chloride Nom. Inductance: 0.18uH/ft Nom. Capacitance Conductor to Conductor @ 1 KHz: 53 pf/ft Nom. Cap. Cond. to Other Cond. & Shield @ 1 KHz: 97 pf/ft Cable diameter: 0.142" [B][I]Price: 1000' - $80 [/I][/B] Comments: Capacitance higher than others. [B]Belden 1508A [PO - Polyolefin] [/B] Foil shield 24 awg 50 Ohm impedance Insulation Material: PO - Polyolefin Outer Jacket Material: PVC - Polyvinyl Chloride Nom. Inductance: 0.18uH/ft Nom. Capacitance Conductor to Conductor @ 1 KHz: 31 pf/ft Nom. Cap. Cond. to Other Cond. & Shield @ 1 KHz: 58 pf/ft Cable diameter: 0.131" [B][I]Price: 500' - $62 [/I][/B] Comments: This is interesting cable if you need flexibility, expensive. [B]Digital Cables - [AES/EBU] [/B] According to Belden, digital cables are excellent for analog use. [URL="http://www.belden.com/TB65.pdf"]http://www.belden.com/TB65.pdf[/URL] [B]Belden 1800B [FHDPE - Foam High Density Polyethylene][/B] Foil shield 24 awg 110 Ohm impedance Insulation Material: FHDPE - Foam High Density Polyethylene Outer Jacket Material: PVC - Polyvinyl Chloride Nom. Inductance: 0.18uH/ft Nom. Capacitance Conductor to Conductor @ 1 KHz: 12 pf/ft Nom. Cap. Cond. to Other Cond. & Shield @ 1 KHz: 26 pf/ft Cable diameter: 0.177" [B][I]Price: 500' - $100 [/I][/B] Comments: Digital cables are designed to have low capacitance, 24 awg is small so the cable end may be more fragile than a bigger awg wire. [B]Belden 1801B ['Teflon' {plenum} FFEP - Foam Fluorinated Ethylene Propylene] [/B] Foil shield 24 awg 110 Ohm impedance Insulation Material: FFEP - Foam Fluorinated Ethylene Propylene Outer Jacket Material: LS PVC - Low Smoke Polyvinyl Chloride Nom. Inductance: 0.18uH/ft Nom. Capacitance Conductor to Conductor @ 1 KHz: 12 pf/ft Nom. Cap. Cond. to Other Cond. & Shield @ 1 KHz: 26 pf/ft Cable diameter: 0.165" [B][I]Price: 500' - $210 [/I][/B] Comments: Same as 1800B except the plenum version cost 2x more. Same inductance and capacitance specs. [B]Partexpress Microphone Cable [/B] Two center conductors {no drain wire} 24 awg Blue PVC jacket Bare copper braid, 92% coverage No inductance and capacitance specs listed. 500 feet for $145 [/QUOTE]
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