Loudspeaker cable - 2 x 2.5 mm² - 13 AWG - CCA
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The BLS225 are double isolated loudspeaker cables composed of two twisted conductors in a flexible PVC outer jacket. The double isolated construction allows the cable being used in public address (100V) audio systems while the smooth and durable outer jacket offers a great installers convenience for easy installation and pulling.The cable consist of individual isolated conductors with a section of 2 x 2.5 mm² (13 AWG) which are composed out of stranded copper clad aluminum (CCA) wires. The stranding keeps the cable flexible and easy to handle while the copper clad aluminum construction results in an electrical performance between copper and aluminum cables. It combines the advantages from two sides, such as solderability, lower weight and lower material cost than bare copper with the higher conductivity and higher strength than pure aluminum. The cable composition is made of 75% aluminum with 25% copper.

Product variants

Available now

BLS225/1 100 meter - black
BLS225/3 300 meter - black
BLS225W/1 100 meter - white
BLS225W/3 300 meter - white


Product features

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Physical characteristics

Type of cable 2-core loudspeaker cable
Inner conductor Material CCA 49 x 0.25 mm (Ø)
Section 0.0039 “²
Number of conductors 2
Insulation Material PVC 3.8 mm (Ø)
Colours Red / Blue
Conductor compositions 75 % Al - 25 % Cu
Separator None
Outer jacket Material Flexible PVC 9.8 mm (Ø)
Colours Black
Inner conductor American Wire Gauge 13 AWG

Standards and regulations

RoHS2 compliant According EU Directive 2011/65/EU
Reach compliant According EC 1907/2006

Mechanical characteristics

Temperature range Fixed installation - 68 °F till + 176 °F
Mobile installation - 59 °F till + 140 °F
Bending radius Fixed installation 8 x outer diameter
Mobile installation 10 x outer diameter

Electrical characteristics

Max. conductor DC resistance 11 (Ω / Km)
Dielectric strength 2 (KV / 1 min. DC)

Cross section


Cable properties

Stranded copper clad aluminum

Copper clad aluminum allows cables to utilize all of the benefits that copper has to offer, while maintaining a much more affordable price tag. CCA is made by bonding a layer of pure copper onto an aluminum core. A CCA core cable obviously contains less copper than a pure copper cable, but it delivers virtually the same conductivity with only slightly higher resistance.


The cables carrying this logo have several possibilities in the choice of colour for the outer jacket color. Having several colours available can be a real advantage when it comes to wiring your rack with several similar cables, whilst still providing a clear overview of your connections. But also for esthetic purposes, PROCAB offers its users the choice between a wide range of colours.


Information sheet English

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