Notes techniques

Un recueil d'informations techniques, de recherches sur les matériaux et de principes de conception qui sous-tendent les produits Pure Line Audio — écrit pour les auditeurs soucieux de l'intégrité du signal, et non des arguments marketing.
Choosing an Audio Interconnect Cable: DAC, Amplifier and Turntable Guide
Choosing an Audio Interconnect Cable: DAC, Amplifier and Turntable Guide
Not every interconnect cable operates under the same electrical conditions. This guide explains how to choose the right cable for a DAC, amplifier, preamplifier, or turntable based on signal level,... Lire plus...
How to Build a Clean Power Setup for a Hi-Fi System: A Practical Guide
How to Build a Clean Power Setup for a Hi-Fi System: A Practical Guide
Most audiophiles invest carefully in components and never address the power infrastructure. This article covers every step of a clean power setup in the correct order, from the circuit to... Lire plus...
Do Expensive Audio Cables Actually Make a Difference: What the Engineering Says
Do Expensive Audio Cables Actually Make a Difference: What the Engineering Says
Audio cables influence resistance, capacitance, inductance, and noise rejection in measurable ways. This article explains when those differences become audible, how conductor materials and geometry affect system behavior, and why... Lire plus...
Ground box audio system
Grounding in Audio Systems: What Matters and What Doesn't
Grounding establishes a stable electrical reference in audio systems. This article explains what it does, how ground loops form, and what actually affects noise and stability. Lire plus...
How Power Delivery Affects the Entire Hi-Fi System: What Actually Matters
How Power Delivery Affects the Entire Hi-Fi System: What Actually Matters
Power is the only element shared by every component in your hi-fi system, yet it's the one most audiophiles never optimize. This article explains how voltage stability, noise propagation, and... Lire plus...
Power Distribution in Audio Systems: Why Topology Matters More Than Filtering
Power Distribution in Audio Systems: Why Topology Matters More Than Filtering
Power distribution defines how electrical energy is shared between components. This article explains how topology influences noise, stability, and system behavior. Lire plus...
Electrical Noise in Audio Systems: Sources and How It Affects Sound Quality
Electrical Noise in Audio Systems: Sources and How It Affects Sound Quality
Electrical noise originates from power lines, electromagnetic fields, and grounding interactions. This article explains how it enters audio systems and affects performance. Lire plus...
Cable Shielding in Audio: What It Does and Why It Matters
Cable Shielding in Audio: What It Does and Why It Matters
Cable shielding controls how electromagnetic interference interacts with audio signals. This article explains how shielding works, the different types, and its role in system stability.     Lire plus...
Balanced vs RCA cables
Balanced vs RCA Connections: What’s the Difference and When It Matters
Balanced (XLR) and unbalanced (RCA) connections differ in how they handle noise, grounding, and signal transmission. This article explains how each works and when the difference actually matters in real... Lire plus...
Ground Loop Hum in Audio Systems: Causes, Symptoms and How to Fix It
Ronflement de boucle de masse dans les systèmes audio : causes et solutions
Les boucles de masse sont l'une des causes les plus courantes de bourdonnement et de bruit dans les systèmes audio. Cet article explique pourquoi elles se produisent, comment les chemins... Lire plus...
Do Power Cables Reduce Noise in Audio Systems?
Les câbles d'alimentation réduisent-ils le bruit dans les systèmes audio ?
Les câbles d'alimentation réduisent-ils le bruit ? Comprenez comment le blindage, la mise à la terre et la stabilité du courant influencent le bruit électrique dans les systèmes hi-fi. Lire plus...
Power distributor and power cable hi-fi
Câbles d'alimentation : explications – leur rôle (et leurs limites)
Les câbles d'alimentation déterminent la manière dont les perturbations du courant alternatif interagissent avec les alimentations audio. Cet article explique le rôle et les limites des câbles d'alimentation, ainsi que... Lire plus...