
BLOCKAUDIO · Accessories
MAINS BLOCK
Pure electrical transmission for the most demanding high-end audio systems.
In a high-fidelity system, the quality of your playback is only as refined as the electrical energy that powers it. The MAINS BLOCK is engineered to deliver that energy with absolute consistency, acting as the vital link between your home power infrastructure and your reference-grade electronics. By maintaining a stable, low-noise environment, it allows your components to operate at their full potential, free from the electrical bottlenecks that often plague standard installations.
Positioned as an essential foundation within the Blockaudio accessories line, the MAINS BLOCK focuses on mechanical and electrical purity. The cable features a substantial cross-section of oxygen-free copper conductors, ensuring that current demands are met instantaneously and without restriction. This architecture provides the grip and dynamic control required by high-current amplifiers, while remaining neutral enough to benefit even the most delicate source components.
The sonic character of the MAINS BLOCK is defined by its transparency and quiet background. It does not impose a particular signature on the music, but rather removes the subtle veiling caused by inferior power delivery. Listeners will find that transients are rendered with greater speed, the noise floor is lowered, and the overall musical image becomes more focused and cohesive, revealing the fine details that exist at the heart of every recording.
Key Features
01
High-purity OFC conductors
Utilises heavy-gauge oxygen-free copper to ensure unconstrained current delivery for even the most demanding power amplifiers.
02
Gold-plated connectivity
Features 15 A gold-plated connectors to guarantee a low-resistance, corrosion-resistant interface at both the wall and the component.
03
Resonance-damped shielding
The robust construction and nylon braiding provide a layer of mechanical damping, protecting the cable from vibration-induced micro-phonics.

Chapter 01
The Story
Blockaudio believes that the pursuit of perfection must be applied to every element of the signal chain, starting with the power supply. The MAINS BLOCK was developed as a direct response to the limitations of standard cabling, which is frequently the weakest point in high-end systems. By applying the same uncompromising engineering principles used in their flagship amplifiers, the brand has created a power link that treats electricity as a critical part of the musical signal.

Chapter 02
Manufacturing Process
Every MAINS BLOCK is meticulously assembled to ensure structural integrity and electrical consistency. The use of high-gauge OFC conductors, coupled with a durable nylon braid, provides both the longevity and the mechanical stability necessary for a reference system. By prioritising solid electrical paths over decorative excess, Blockaudio ensures that this cable serves as a reliable, long-term component in your setup.

Chapter 03
Listening Notes
When upgrading to the MAINS BLOCK, the most immediate impression is one of increased clarity and background silence. The system gains a heightened sense of dynamic composure, with the bass appearing more defined and the high frequencies devoid of electrical grain. It provides the clean, stable foundation necessary to hear exactly what your amplifier and source are capable of producing.
Specifications
TypeAudiophile grade power cable
Conductor3 x 4 mm² (11 AWG) oxygen-free copper
Connectors15 A gold-plated
Dimensions180 cm standard length (custom lengths on request)
Finish optionsBlack or white nylon yarn braid
