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Belden, Audio Cable, Analog, Snake Cable, Wire & Cable
1821R – Audio Snake Cable, 24 Pr #22 Str TC, Ind. Shielded & Jacketed, O/A Foil, PVC Jkt, CMR
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Product Overview
| Suitable Applications: | Multi-channel interconnect between audio equipment such as microphones, speakers, amplifiers, mixing consoles; Live events or studio sound; Analog audio |
Construction Details
Conductor
| Element | No. of Elements | Size | Stranding | Material |
|---|---|---|---|---|
| Pair(s) | 24 | 22 AWG | 7×30 | TC – Tinned Copper |
Insulation
| Element | Material | Nom. Thickness | Nom. Insulation Diameter | Color Code |
|---|---|---|---|---|
| Pair(s) | PP – Polypropylene | 0.010 in (0.25 mm) | 0.05 in (1.3 mm) | Black, Red |
Inner Shield
| Element | Shield Type | Material | Coverage | Drainwire Type | Notes |
|---|---|---|---|---|---|
| Pair(s) | Tape | Bi-Laminate (Alum+Poly) | 100% | 22 AWG (7×30) TC | Individual pair tapes are adhered to their inner jackets for easy stripping |
Outer Shield
| Shield Type | Material | Coverage | Drainwire Type |
|---|---|---|---|
| Tape | Bi-Laminate (Alum+Poly) | 100% | 18 AWG (19×30) TC |
Inner Jacket
| Element | Material | Nom. Thickness | Nom. Diameter |
|---|---|---|---|
| Pair(s) | PVC – Polyvinyl Chloride | 0.015 in (0.38 mm) | 0.133 in (3.38 mm) |
Outer Jacket
| Material | Nom. Thickness | Nom. Diameter | Ripcord |
|---|---|---|---|
| PVC – Polyvinyl Chloride | 0.084 in (2.1 mm) | 0.969 in (24.6 mm) | Yes |
| Overall Cable Diameter (Nominal): | 0.969 in (24.6 mm) |
Electrical Characteristics
Electricals
| Element | Nom. Conductor DCR | Nom. Capacitance Cond-to-Cond | Nom. Capacitance Cond-to-Other (Conds + Shield) | Nom. Characteristic Impedence | Nom. Velocity of Prop. | Max. Current |
|---|---|---|---|---|---|---|
| Pair(s) | 14.8 Ohm/1000ft (48.6 Ohm/km) | 31 pF/ft (100 pF/m) | 56 pF/ft (180 pF/m) | 50 Ohm | 66% | 1.45 Amps per conductor @ 25°C |
Voltage
| UL Voltage Rating |
|---|
| 300 V (CMR) |
Mechanical Characteristics
Temperature
| UL Temperature | Operating |
|---|---|
| 60°C | -20°C to +60°C |
Bend Radius
| Stationary Min. | Installation Min. |
|---|---|
| 9.7 in (250 mm) | 9.7 in (250 mm) |
| Max. Pull Tension: | 679 lbs (308 kg) |
| Bulk Cable Weight: | 478 lbs/1000ft (711 kg/km) |
Standards and Compliance
| Environmental Suitability: | Indoor – Riser, Indoor |
| Flammability / Reaction to Fire: | UL1666 Riser |
| NEC / UL Compliance: | Article 800, CMR |
| CEC / C(UL) Compliance: | CMR |
| European Directive Compliance: | EU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE) |
| APAC Compliance: | China RoHS II (GB/T 26572-2011) |
History
| Update and Revision: | Revision Number: 0.338 Revision Date: 12-22-2023 |
Part Numbers
Variants
| Item # | Color | Putup Type | Length | UPC | Footnote |
|---|---|---|---|---|---|
| 1821R 010500 | Black | Reel | 500 ft | 612825123750 | C |
| 1821R 0101000 | Black | Reel | 1,000 ft | 612825123743 | C |
| 1821R 0101640 | Black | Reel | 1,640 ft | 612825443100 |
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