Siltech Explorer 180i RCA 2m
Overview
The Siltech Explorer 180i is an unbalanced audio cable designed after more than 40 years of research and development. It uses a 6N single-crystal copper conductor (99.9999% purity) and an advanced coaxial architecture. This mid-range model in the Explorer lineup aims to deliver high audio performance while remaining accessible.
Exceptional metallurgy in the service of sonic transparency
At the heart of the Explorer 180i is a 6N single-crystal copper conductor (99.9999% purity), the result of an exclusive manufacturing process developed by Siltech. This single-crystal structure eliminates the boundaries between crystal grains—those microscopic discontinuities that typically disrupt signal flow in conventional polycrystalline conductors. Each electron thus travels an uninterrupted path, avoiding the usual obstacles that generate distortion and information loss.
The exceptional purity of 6N copper ensures superior conductivity maintained over time. Unlike standard copper cables that gradually oxidize and lose their conductive properties, the Explorer 180i’s single-crystal conductor preserves its optimal characteristics year after year. This long-term stability makes it a durable investment for any high-fidelity system.
The self-shielding twisted coaxial construction minimizes electromagnetic interference while preserving the signal’s temporal coherence. This geometry, refined over generations of Siltech cables, ensures balanced transmission across the entire audible spectrum, from deep bass to crystalline highs.
Dual Kapton-Teflon insulation: uncompromising protection
The Explorer 180i features exclusive dual-layer insulation combining Kapton and Teflon, two materials with complementary dielectric properties. Kapton, a polyimide developed for the aerospace industry, offers exceptional mechanical strength and remarkable thermal stability, withstanding temperatures from -65°C to 300°C. This first barrier protects the conductor from mechanical stress while maintaining consistent electrical properties.
Teflon (PTFE) forms the second insulating layer. Known for its superior dielectric qualities with one of the lowest dielectric constants among synthetic materials, it minimizes the cable’s parasitic capacitance. This low capacitance preserves dynamics and transient speed—crucial elements for realistic reproduction of instrumental attacks.
The super shielding completes this protection system by creating an effective Faraday cage against the radiofrequency and electromagnetic disturbances ubiquitous in modern home environments. Wi-Fi, cell phones, dimmers: all sources of electrical pollution neutralized by this triple protection.
Gold-plated connectors: flawless connection
The gold-plated SCC85 RCA connectors fitted to the Explorer 180i embody Siltech’s expertise in high-performance connectivity. The thick gold plating ensures minimal contact resistance and protection against oxidation, preserving signal integrity over the long term. The robust mechanical design ensures a firm grip without excessive stress on female sockets.
These proprietary Siltech connectors incorporate a metal cylinder near the termination, a hallmark of the brand. This cylinder serves multiple functions: it allows a gradual transition between the cable diameter and the connector, minimizing mechanical stress. It also contains directional markings and the unique serial number of each cable, a guarantee of authenticity in a market unfortunately polluted by counterfeits.
For installations requiring other connector types, Siltech offers on request the SC006 model, also gold-plated, as well as various options available through the network of authorized distributors.
Positioning within the Explorer range: the right balance
The Explorer 180i occupies a strategic position within the Explorer range hierarchy. Superior to the entry-level 90i, it offers increased conductivity and a more sophisticated construction, resulting in more detailed reproduction and a wider soundstage. This step up is particularly evident in the definition of the midrange and the precise spatial localization of sound sources.
The Explorer range also includes the 180ix model equipped with Neutrik XLR connectors for balanced links, as well as the 90L and 180L speaker cables, the 45FW FireWire and 45USB USB digital cables, and the 270P power cable. This product-line coherence makes it possible to build a homogeneous wiring system, a factor in achieving optimal sonic synergies.
Documentation
Technical Specifications
Construction and Materials
- Metallurgy: ultra-pure single-crystal copper (6N)
- Construction: coaxial
- Insulators: Kapton, Teflon, and super shielding
- Cores: 1
Connectors
- Connector: gold-plated RCA SCC85
- Other connectors: available on request (via local distributor)
- Signal type: unbalanced (RCA)
General Information
- Product type: unbalanced stereo interconnect
- Use: high-fidelity audio interconnect
Highlights
- Ultra-pure 6N single-crystal copper conductor
- Double Kapton-Teflon insulation and super shielding
- Gold-plated RCA connectors (SCC85)
- Robust, durable construction
- Outstanding price-to-performance ratio for audiophile-grade performance
Frequently Asked Questions
What is the difference between the Explorer 180i and the 90i model?
The Explorer 180i features a larger conductor cross-section offering 50% greater conductivity compared to the 90i. This increase results in better definition in the midrange, a wider soundstage, and more precise bass articulation. Insulation and shielding are also enhanced on the 180i, ensuring superior protection against electromagnetic interference.
Does the cable have a preferred connection direction?
Yes, the Explorer 180i has directionality indicated by an arrow on the metal cylinder near the connector. This orientation, determined during the manufacture of the single-crystal conductor, optimizes signal transfer. The cable should be installed with the arrow pointing from the source to the amplifier or preamplifier.
What length should I choose for a connection between source and amplifier?
The standard length of one meter suits most installations. For longer distances, Siltech offers 1.5 m and 2 m lengths that maintain the same sonic characteristics thanks to the cable’s low capacitance. Beyond 3 meters, a balanced XLR connection with the 180ix model becomes preferable to maintain signal integrity.
Is the Explorer 180i compatible with all types of equipment?
The cable fits any device equipped with standard RCA connectors. Its characteristic impedance and electrical parameters make it compatible with all sources (CD players, DACs, turntables with phono preamp) and amplifiers on the market, whether solid-state, tube, or Class D.
- Eco-contribution included in the sale price.
