DOES AUDIO CABLE QUALITY MATTER

When people ask whether audio cable quality matters, the real answer is yes, but not in the way marketing often suggests. For home audio—especially with turntables, amplifiers, and speakers—the differences are real, but they’re mostly about build quality, shielding, and proper matching, not exotic materials or ultra‑expensive cables.

Here’s a clear breakdown for speaker cables and analogue (RCA/phono) cables.

Speaker Cables

Speaker cables carry a high‑level signal from your amplifier to your speakers. Because the signal is strong, they’re less sensitive to noise and interference than analogue interconnects.

What actually matters:

Correct thickness (gauge)
A thicker cable (lower gauge number) is better for longer runs.
For most home setups:
- Up to 3–5 meters: 16 AWG is fine
- Longer runs or big speakers: 14 or 12 AWG
Good copper quality
Standard oxygen‑free copper (OFC) is perfectly fine.
You don’t need silver‑plated or exotic materials.
Solid connectors
Banana plugs or bare wire both work.
The important part is a clean, tight connection.

What doesn’t matter much:

Fancy braiding
Gold‑plated everything
Ultra‑premium brands costing hundreds

Speaker cables don’t change the tone of your system. They just need to be thick enough and well‑made.

Analogue Cables (RCA / Phono Cables)

Analogue cables carry a low‑level signal, especially from a turntable. This makes them more sensitive to noise, hum, and interference.

What actually matters:

Shielding
Good shielding prevents hum, buzzing, and radio interference.
This is especially important for turntables.
Low capacitance
Too much capacitance can affect the sound of MM cartridges.
Many phono preamps specify an ideal range.
Secure connectors
Tight, well‑made RCA plugs reduce noise and signal loss.