7891A - Audio Snake Cable, #26-2pr, TC, Indiv. Shielded, CM
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7891A – Audio Snake Cable, #26-2pr, TC, Indiv. Shielded, CM

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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

Physical Characteristics (Overall)

Conductor
AWG Stranding Material Nominal Diameter No. of Pairs
26 7×34 TC – Tinned Copper 0.019 in 2
Conductor Count: 4
Total Number of Pairs: 2
Insulation
Material Material Trade Name Nominal Diameter Nominal Wall Thickness
PE – Polyethylene (Foam) Datalene® 0.054 in 0.0175 in
Color Chart
Number Color
1 Brown and Numbered 1
2 Red and Numbered 2
Inner Shield
Type Material Material Trade Name Coverage [%] Drainwire Material Drainwire Diameter Drainwire AWG Drainwire Construction n x D
Tape Bi-Laminate (Alum+Poly) Beldfoil® 100% TC – Tinned Copper 0.019 in 26 Stranded
Table Notes: Indiv. Foil tapes bonded to inner jacket
Inner Jacket
Material Nominal Diameter Nominal Wall Thickness
PVC – Polyvinyl Chloride 0.136 in 0.014 in
Outer Shield
Type Material Material Trade Name Coverage [%] Drainwire Material Drainwire Diameter Drainwire AWG Drainwire Construction n x D
Tape Bi-Laminate (Alum+Poly) Beldfoil® 100% TC – Tinned Copper 0.019 in 26 Stranded
Outer Jacket
Material Nominal Diameter Nominal Wall Thickness Ripcord
PVC – Polyvinyl Chloride 0.343 in 0.034 in Yes

Electrical Characteristics

Conductor DCR
Individual Pair Nominal Shield DCR Nominal Conductor DCR Nominal Conductor DCR Conductor Resistance
25.5 Ohm/1000ft 37.3 Ohm/1000ft 37.3 Ohm/1000ft
Capacitance
Nom. Capacitance Conductor to Conductor Nom. Capacitance Conductor to Other Conductor to Shield
12.5 pF/ft 25 pF/ft
Inductance
Nominal Inductance
0.25 µH/ft
Impedance
Nominal Characteristic Impedance
110 Ohm
High Frequency (Nominal/Typical)
Frequency [MHz] Nom. Insertion Loss
0.384 MHz 0.84 dB/100ft
0.7056 MHz 1.14 dB/100ft
0.768 MHz 1.18 dB/100ft
1.024 MHz 1.34 dB/100ft
1.4112 MHz 1.5 dB/100ft
1.536 MHz 1.54 dB/100ft
2.048 MHz 1.69 dB/100ft
2.8224 MHz 1.86 dB/100ft
3.072 MHz 1.92 dB/100ft
4.096 MHz 2.14 dB/100ft
5.6448 MHz 2.4 dB/100ft
6.144 MHz 2.47 dB/100ft
8.192 MHz 2.75 dB/100ft
11.2896 MHz 3.09 dB/100ft
12.288 MHz 3.18 dB/100ft
24.576 MHz 4.2 dB/100ft
Delay
Nominal Velocity of Propagation (VP) [%]
76%
High Frequency
Frequency [MHz]
0.384 MHz
0.7056 MHz
0.768 MHz
1.024 MHz
1.4112 MHz
1.536 MHz
2.048 MHz
2.8224 MHz
3.072 MHz
4.096 MHz
5.6448 MHz
6.144 MHz
8.192 MHz
11.2896 MHz
12.288 MHz
24.576 MHz

Temperature Range

Operating Temperature Range: -30°C To +80°C

Mechanical Characteristics

Bulk Cable Weight: 49 lbs/1000ft
Max. Pull Tension: 24 lbs
Min. Bend Radius/Minor Axis: 3.5 in

Standards

NEC/(UL) Compliance: CM
CEC/C(UL) Compliance: CM

Applicable Environmental and Other Programs

Environmental Space: Indoor (Not Riser or Plenum)
EU Directive 2000/53/EC (ELV): Yes
EU Directive 2003/11/EC (BFR): Yes
EU Directive 2011/65/EU (RoHS 2): Yes
EU Directive 2012/19/EU (WEEE): Yes
EU Directive 2015/863/EU (RoHS 2 amendment): Yes
EU Directive Compliance: EU Directive 2003/11/EC (BFR)
EU CE Mark: Yes
MII Order #39 (China RoHS): Yes

Suitability

Suitability – Indoor: Yes

Flammability, LS0H, Toxicity Testing

UL Flammability: UL1685 UL Loading
CSA Flammability: FT4

Plenum/Non-Plenum

Plenum (Y/N): No

Related Part Numbers

Variants
Item # Color Put-Up Type Length UPC
7891A Z4B500 Violet Z4B Reel 500 ft 612825190769
7891A Z4B1000 Violet Z4B Reel 1,000 ft 612825190752
Footnote: C – CRATE REEL PUT-UP.

Product Notes

Notes: Pair jackets and shields are bonded so both strip simultaneously with automatic stripping equipment. Datalene® insulation features include low dielectric constant and a dissipation factor for high-speed, low-distortion data handling. Physical properties include good crush resistance and light weight.

History

Update and Revision: Revision Number: 0.367 Revision Date: 01-10-2024
SKU: 7891A Categories: , , , ,

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