Siltech Explorer 180L SSP HP 2x2.5m
Overview
Siltech Explorer 180L SSP HP is an entry-level speaker cable. It uses 6N single-crystal copper conductors (99.9999% purity) and benefits from nearly 40 years of research in audio signal transmission. This model offers meticulous construction and reliable performance, while remaining more accessible than the brand’s high-end silver cables.
A revolutionary metallurgy for an entry-level cable
The core of the Explorer 180L is based on copper technology that is anything but ordinary. Siltech uses 6N purity single-crystal copper (99.9999%), an ultra-pure form of the metal achieved after years of research to eliminate microscopic contaminants that typically degrade the performance of copper conductors over time. This single-crystal structure, also known as Mono X-tal by Siltech, has a remarkable feature: the wire is drawn as one continuous, uninterrupted piece with no grain boundaries, unlike conventional polycrystalline copper where the network created by multiple boundaries interferes with electrical transfer.
The construction adopts a twisted-pair architecture with two conductor cores, a configuration that allows natural cancellation of electromagnetic interference. This geometry, combined with the exceptional purity of the conductor, ensures signal transfer with extremely low losses, a characteristic usually reserved for cables using precious metals.
Sophisticated insulation against interference
Insulation is a crucial aspect in the design of the Explorer 180L. Siltech employs a double insulation layer combining DuPont Kapton and Teflon, two materials with exceptional dielectric properties. Kapton, a very thin film that provides the cable with the shielding and mechanical strength needed with minimal bulk compared to traditional materials, works in synergy with Teflon to create an effective barrier.
This combination, reinforced by super shielding, offers remarkable protection against mechanical, radio-frequency, and electromagnetic interference. The self-shielding construction of the coaxial twisted geometry also helps maintain signal integrity, even in electrically noisy environments.
Gold-plated connectors for optimal transmission
The Explorer 180L SSP HP is equipped with SSP006 connectors available in banana or spade configurations, all gold-plated. These dedicated Siltech terminations ensure a reliable and durable connection with amplifier and speaker terminals. Gold plating prevents oxidation and maintains optimal conductivity over the long term, aligning with the durability philosophy that characterizes the Explorer range.
All Explorer cables are manufactured in the Netherlands to the same exacting standards as all Siltech products, at the company’s factory in Elst, near Arnhem. This fully in-house production enables rigorous quality control at every stage of manufacturing.
Sound performance and range positioning
Siltech’s instantly recognizable sonic signature, with its low distortion, is found in the Explorer series, which offers superb dimensionality, precise imaging, low coloration, high resolution, accurate harmonics, and realistic musical expression. Explorer cables bring a breath of fresh air to the vast majority of audio systems with an open, lively, and engaging sound.
The Explorer range includes three levels of interconnects, two speaker cables, USB and FireWire digital interconnects, as well as a power cable, allowing a system to be fully wired with total sonic coherence. The 180L is the higher model among the series’ speaker cables, above the 90L, while remaining within the range’s philosophy of accessibility.
Documentation
Technical Specifications
Construction and Materials
- Metallurgy: ultra-pure 6N single-crystal copper
- Architecture: twisted pair
- Number of cores: 2
Insulation and Protection
- Insulating materials: Kapton, Teflon
- Protection: super shielding to reduce interference
Available Connectors
- SSP006 banana
- SSP006 spade
- Finish: gold plating on all connectors
Key Benefits
- Twisted pairs in ultra-pure 6N single-crystal copper
- Kapton-Teflon insulation and super shielding to reduce interference
- Wide choice of S-Conn gold-plated connectors
- Durable and reliable construction
- Exceptional value for money for entry-level audiophiles
General Information
Siltech’s Explorer speaker cable uses twisted pairs of high-purity single-crystal copper and offers a wide selection of SSP006 banana and SSP006 spade terminations, all gold-plated. Designed to deliver accessible audiophile performance, it ensures precise signal transfer and excellent durability for connecting high-fidelity loudspeakers.
Frequently Asked Questions
What is the difference between single-crystal copper and ordinary copper?
The single-crystal copper used in the Explorer 180L is drawn as one continuous piece with no grain boundaries, unlike standard polycrystalline copper. This uniform structure eliminates internal barriers that disrupt electrical flow, delivering superior conductivity. In addition, Siltech’s 6N (99.9999%) purity copper removes contaminants that degrade performance over time in conventional cables.
Why does Siltech use copper in the Explorer range instead of silver?
Siltech, historically specializing in silver and silver-gold conductors, developed the copper-based Explorer range to offer its technologies at a more accessible price point. After years of research, the company succeeded in producing single-crystal copper of exceptional purity, delivering superior conductivity and remarkable longevity, enabling authentically Siltech performance without the cost associated with precious metals.
How does the Kapton-Teflon double insulation protect the signal?
DuPont Kapton forms an ultra-thin yet extremely robust film that provides effective mechanical and electrical shielding. Combined with Teflon, renowned for its excellent dielectric properties, this double layer creates a barrier against radio-frequency and electromagnetic interference. This protection helps preserve signal purity even in electrically challenging environments.
How does the Explorer 180L compare to the 90L model?
The 180L is a step up from the entry-level 90L. While both use the same 6N single-crystal copper and Kapton-Teflon double insulation, the 180L features a more elaborate construction with optimized geometry for superior performance. It is the logical choice for more demanding systems while maintaining the Explorer range’s accessibility philosophy.
Are the SSP006 connectors compatible with all equipment?
SSP006 connectors in banana or spade versions fit the vast majority of amplifier and speaker terminals on the market. Gold plating ensures not only excellent conductivity but also protection against oxidation, guaranteeing a reliable connection over time. Other types of connectors may be available on request from local distributors.
- Eco-contribution included in the sale price.