Product: 1804A Microphone Cable, Star Quad, 4 C 28 Str Silvered Copper Alloy, 80% TC Braid, PVC Jkt Product Description Microphone Cable, Star Quad, 4 Conductor 28 AWG (19 x 40) High Conductivity Silvered Copper Alloy, PP insulation, 80% Tinned Copper Braid Shield, PVC jacket Technical Specifications Product Overview Suitable Applications: Microphone, Low Noise for high-EMI environments Line level balanced analog audio Construction Details Conductor Element Number of Element Size Stranding Material Conductor(s) 4 28 AWG 19x40 SCA - Silvered Copper Alloy (High Conductivity) Insulation Element Material Nom. Thickness Nom. Insulation Diameter Color Code Conductor(s) PP - Polypropylene 0.008 in (0.20 mm) 0.03 in (0.76 mm) Blue, White, Blue/White Stripe, White/Blue Stripe Outer Shield Shield Type Material Coverage Braid Tinned Copper (TC) 80% Outer Jacket Material Nom. Thickness Nom. Diameter PVC - Polyvinyl Chloride 0.014 in (0.36 mm) 0.115 in (2.92 mm) Overall Cable Diameter 0.115 in (2.92 mm) (Nominal): Electrical Characteristics Electricals Nom. Capacitance Nom. Capacitance Cond-to-Other (Conds + Nom. Characteristic Nom. Velocity of Element Nom. Conductor DCR Max. Current Cond-to-Cond Shield) Impedence Prop. 65 Ohm/1000ft (210 1.45 Amps per conductor Conductor(s) 40 pF/ft (130 pF/m) 60 pF/ft (200 pF/m) 40 Ohm 66% Ohm/km) 25C Voltage Voltage Rating (100 V) Mechanical Characteristics Temperature Operating -30C to +60C Bend RadiusStationary Min. Installation Min. 1.2 in (30 mm) 1.2 in (30 mm) Max. Pull Tension: 24 lbs Bulk Cable Weight: 9 lbs/1000ft (13 kg/km) Standards and Compliance Environmental Suitability: Indoor (Not Riser or Plenum), Indoor Product Notes Quad connection scheme: The two blue wires (or wires directly opposite one another) are connected together to form one conductor, and similarly the two white wires (or Notes: remaining wires) are connected together to form the second conductor. History Update and Revision: Revision Number: 0.345 Revision Date: 12-15-2021 Variants Item Color Putup Type Length UPC 1804A U4F500 Beige U4F Reel 500 ft 612825123163 1804A J5C100 Black, Vivid Matte Reel 100 ft 612825123149 1804A J5C500 Black, Vivid Matte Reel 500 ft 612825123156 1804A G8M500 Matte Yellow Reel 500 ft 612825123132 2022 Belden, Inc All Rights Reserved. Although Belden makes every reasonable effort to ensure their accuracy at the time of this publication, information and specifications described here in are subject to error or omission and to change without notice, and the listing of such information and specifications does not ensure product availability. Belden provides the information and specifications herein on anASI basis, with no representations or warranties, whether express, statutory or implied. In no event will Belden be liable for any damages (including consequential, indirect, incidental, special, punitive, or exemplary damages) whatsoever, even if Belden has been advised of the possibility of such damages, whether in an action under contract, negligence or any other theory, arising out of or in connection with the use, or inability to use, the information or specifications described herein. All sales of Belden products are subject to Belden s standard terms and conditions of sale. Belden believes this product to be in compliance with all applicable environmental programs as listed in the data sheet. The information provided is correct to the best of Belden s knowledge, information and belief at the date of its publication. This information is designed only as a general guide for the safe handling, storage, and any other operation of the product itself or the one that it becomes a part of. The Product Disclosure is not to be considered a warranty or quality specification. Regulatory information is for guidance purposes only. Product users are responsible for determining the applicability of legislation and regulations based on their individual usage of the product.