Positive Cable AT40
OFC copper speaker cable with a 4 mm2 cross-section, designed to connect amplifiers and speakers, including in high-performance configurations.
Description
The AT40 from Positive Cable is a connecting cable for speakers, designed to connect an amplifier to its speakers. It is a cable for universal use, intended for both everyday installations and high-performance speakers paired with high power outputs.
Its 4 mm2 cross-section and its large-diameter OFC copper conductors are the two technical features that define this cable. A generous cross-section limits the cable's series resistance, which promotes better transmission of power from the amplifier to the speakers, particularly over long connections or with low-impedance speakers. The choice of OFC copper (oxygen-free copper, known as High Purity) aims to reduce losses linked to the purity of the conductor.
This cable is aimed at users wishing to equip a hi-fi system or a speaker installation with demanding power transmission requirements, whether for a high-end system or for a configuration requiring cables capable of handling high power levels without compromise.
Technical specifications
| Cross section | 4 mm2 |
| Conductor material | OFC High Purity copper |
What to check before buying used
Check the condition of the banana plugs or spade connectors at each end: an oxidised or slightly loose connector degrades contact and can introduce noise or a loss of power. Also inspect the sheath along its entire length, particularly at bend points, to detect any possible break in the shielding or fatigue of the OFC copper that would increase series resistance. A simple continuity check confirms the integrity of both conductors before first use.
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