Amazon Basics Digital Audio RCA Coaxial Cable, 2.44 m, Black

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For example, you may be relocating your equipment, and the cable you were using needs to be longer. On the flip side, If you own a high-end set-up, we'd suggest looking at price-comparable interconnects but you could also audition some cheaper interconnects too.

Attenuation (loss) per unit length, in decibels per meter. This is dependent on the loss in the dielectric material filling the cable, and resistive losses in the center conductor and outer shield. These losses are frequency dependent, the losses becoming higher as the frequency increases. Skin effect losses in the conductors can be reduced by increasing the diameter of the cable. A cable with twice the diameter will have half the skin effect resistance. Ignoring dielectric and other losses, the larger cable would halve the dB/meter loss. In designing a system, engineers consider not only the loss in the cable but also the loss in the connectors.Pay closer attention to construction quality for longer cable runs over 20 feet. However, an affordable yet sturdy cable will accurately transmit the digital audio signal for standard lengths.

Usually, optical connections have been more widespread in digital audio, but most devices are optical/coaxial. What makes them different? There are some obvious differences. The connectors and connector structures differ and the operation methods differ. The optical cable contains optical fibre containing light that is not an electrical cable. It sends light signals between a transmitter and a receiver. There are other significant performances and durability-related features. FAQs about coaxial speaker cables Series inductance per unit length, in henrys per metre, considering the central conductor to be a thin hollow cylinder (due to skin effect). If unsure, you could play it safe and get a converter that can handle optical and coaxial S/PDIF audio.As explained previously, there are two main types of digital audio output – coaxial and optical – so here is how you would connect them both. Connecting a Digital Audio RCA Output to an RCA Input