Product Hierarchy
Product Hierarchy

1801B - Audio Cable, 2 Conductor 24 AWG, TC, CMP

Digital Audio Cable, Plenum-CMP, 1-24 AWG stranded tinned copper pair with foam FEP insulation, Beldfoil® shield, drain, Flamarrest® jacket

Physical Characteristics (Overall)

ElementAWGStrandingMaterialNominal DiameterNo. of Pairs
Pair(s)247x32TC - Tinned Copper0.024 in1
Conductor Count: 2
ElementMaterialMaterial Trade NameNominal Diameter
Pair(s)FEP - Fluorinated Ethylene Propylene (Foam)Teflon®0.066 in
Color Chart
1Red & Black
Outer Shield Material
TypeMaterialMaterial Trade NameCoverage [%]Drainwire MaterialDrainwire AWGDrainwire Construction n x D
TapeAlum / PolyBeldfoil®100 %TC - Tinned Copper247x32
Outer Jacket Material
MaterialMaterial Trade NameNominal Diameter
PVC-LS - Polyvinyl Chloride (Low Smoke)Flamarrest®0.165 in

Electrical Characteristics

Conductor DCR
Nominal Conductor DCR
23.7 Ohm/1000ft
Nom. Capacitance Conductor to ConductorNom. Capacitance Conductor to Other Conductor to Shield
12 pF/ft26 pF/ft
Nominal Inductance
0.18 µH/ft
Nominal Characteristic Impedance
110 Ohm
High Frequency (Nominal/Typical)
Nom. Insertion Loss
0.82 dB/100ft
1.01 dB/100ft
1.02 dB/100ft
1.08 dB/100ft
1.15 dB/100ft
1.16 dB/100ft
1.23 dB/100ft
1.34 dB/100ft
1.38 dB/100ft
1.58 dB/100ft
1.79 dB/100ft
1.85 dB/100ft
2.05 dB/100ft
2.34 dB/100ft
2.43 dB/100ft
3.33 dB/100ft
Nominal Velocity of Propagation (VP) [%]
78 %
High Freq
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
Max. Recommended Current [A]
2.75 Amps per conductor @ 25°C
UL Voltage Rating
300 V RMS

Temperature Range

UL Temp Rating: 75°C
Operating Temp Range: -20°C To +75°C

Mechanical Characteristics

UV Resistance: Yes - Black only
Bulk Cable Weight: 12 lbs/1000ft
Max Recommended Pulling Tension: 16.5 lbs
Min Bend Radius/Minor Axis: 1.75 in


NEC/(UL) Specification: CMP
CEC/C(UL) Specification: CMP
CPR Euroclass: Eca
Other Specification: AES/EBU

Applicable Environmental and Other Programs

Environmental Space: Indoor - Plenum
EU Directive 2000/53/EC (ELV): Yes
EU Directive 2003/96/EC (BFR): Yes
EU Directive 2011/65/EU (ROHS II): Yes
EU Directive 2012/19/EU (WEEE): Yes
EU Directive 2015/863/EU: Yes
EU Directive Compliance: EU Directive 2003/11/EC (BFR)
EU CE Mark: Yes
EU RoHS Compliance Date (yyyy-mm-dd): 2005-10-01
MII Order #39 (China RoHS): Yes


Suitability - Aerial: No
Suitability - Burial: No
Suitability - Hazardous Locations: No
Suitability - Indoor: Yes
Suitability - Outdoor: No
Suitability - Sunlight Resistance: No

Flammability, LS0H, Toxicity Testing

CSA Flammability: FT6
ISO/IEC Flammability: IEC 60332-1-2
UL voltage rating: 300 V RMS


Plenum (Y/N): Yes

Part Number

Non-Plenum Number: 1800B
Item #ColorPutup TypeLengthUPC
1801B 0081000GrayReel1,000 ft612825416661
1801B 877500NaturalReel500 ft612825122968
1801B 8771000NaturalReel1,000 ft612825122951
1801B 877U1000NaturalUnReel1,000 ft612825122944
1801B 8775000NaturalReel5,000 ft612825430056
1801B Z4B500Violet Z4BReel500 ft612825122937
1801B Z4B1000Violet Z4BReel1,000 ft612825122920
1801B Z4BU1000Violet Z4BUnReel1,000 ft612825122913
Footnote: C - CRATE REEL PUT-UP.

Product Notes

Notes: Teflon« is a registered trademark of Chemours and is used under license by Belden, Inc.


Update and Revision: Revision Number: 0.290 Revision Date: 05-11-2020
Date: 2005-10-01
Broadcast Solutions Guide
TB65: Digital Studio Cable Guide
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