Limited Edition Stressfree Power Cord for Reference-Grade Audio Performance
The ESOTERIC 7N-PC5500STD is a premium-standard power cable engineered for audiophiles and high-end audio systems that demand uncompromising electrical purity. Created as part of ESOTERIC’s exclusive Stressfree Power Cord series and released in a strictly limited production of only 100 sets, this model combines advanced conductor science, meticulous Japanese engineering, and refined material selection to deliver exceptionally stable current flow with minimal signal contamination.
Designed to unlock the full sonic potential of high-performance audio components, the 7N-PC5500STD ensures that connected equipment receives power with remarkable cleanliness, consistency, and reduced electrical distortion. Every structural element of this cable has been carefully optimized to preserve signal integrity from source to component, allowing listeners to experience music with enhanced transparency, dynamic precision, and natural tonal balance.
Advanced 7N Stressfree Copper Technology
At the heart of the 7N-PC5500STD lies ESOTERIC’s proprietary Stressfree conductor architecture, built around ultra-pure 7N copper with an extraordinary purity level of 99.99999%. Originally developed for the semiconductor sector, this copper standard represents an exceptionally low impurity concentration of less than 0.01 ppm, ensuring superior conductivity and reliability.
To maximize electrical efficiency, ESOTERIC applies specialized Stressfree annealing technology, a process that minimizes structural deformation within the copper crystal lattice. This treatment reduces transmission resistance while preserving conductor integrity. The implementation of D.U.C.C. (Dia Ultra Crystallized Copper) further enhances conductivity by enlarging crystal grain structure, resulting in a smoother and more efficient power pathway.
Precision Construction for Superior Power Delivery
The 7N-PC5500STD incorporates a dual-core 7N copper multi-strand conductor system for optimized current transfer, paired with a dedicated ground line for enhanced electrical stability. Low-dielectric polyolefin insulation significantly outperforms conventional PVC by reducing capacitance and minimizing energy loss, supporting cleaner power transmission.
Its shielding system combines tinned 4N copper braid with copper laminated polyester tape to effectively suppress external electromagnetic interference and internal noise. This advanced shielding structure helps preserve low-noise operation, making it especially suitable for revealing audio systems where every detail matters.
Custom-Designed Connectors for Maximum Conductivity
ESOTERIC developed bespoke IEC and wall plugs specifically for this model to balance elite performance with improved accessibility. The contact points utilize platinum and palladium-plated beryllium copper, offering exceptional conductivity, corrosion resistance, and mechanical durability. Connector housings are constructed from resonance-controlled polycarbonate, reducing micro-vibrations that can negatively affect sonic performance.
The result is a power cable that not only delivers stable electrical performance but also contributes to cleaner backgrounds, improved imaging, and greater musical realism.
Elegant Limited Edition Design
Aesthetically, the 7N-PC5500STD reflects ESOTERIC’s high-end philosophy through its transparent black high-gloss outer jacket. This sophisticated finish complements premium audio systems while emphasizing the cable’s technical excellence. As a limited-edition model, it also holds collector appeal for enthusiasts seeking exclusive components.
Technical Specifications:
- Model: 7N-PC5500STD
- Type: Standard high-end power cable
- Edition: Limited to 100 sets
- Core Conductors: 7N Cu multi-strand ×2
- Ground Line: 4.5N Cu multi-strand ×1
- Shielding: Tinned 4N Cu braid + Cu laminated polyester tape
- Insulation: Polyolefin
- Connector Contacts: Platinum + palladium-plated beryllium copper
- Outer Jacket: Transparent black high-gloss finish
In the box:
- ESOTERIC 7N-PC5500STD Power Cable,
- Custom IEC connector,
- Custom wall plug,
- Protective packaging,
- Manufacturer documentation.













































