Siltech Explorer 45 USB 1m
Overview
The Siltech Explorer 45 USB is an entry-level USB cable designed for digital audio transmission. It uses a 6N monocrystalline copper conductor (99.9999% purity) and benefits from nearly 40 years of Siltech expertise in signal transmission, offering reliable performance while remaining more accessible than models using silver conductors.
A Dutch design where every detail matters
At the heart of the Explorer 45 USB lies a 6N monocrystalline copper conductor of exceptional purity, ensuring signal transfer with minimal losses. This particular metallurgy represents the fruit of years of research at Siltech, which has developed a production method to obtain copper with superior conductivity, free from contaminants that could degrade performance over time.
The twisted pair construction with four conductors forms the backbone of this cable. This specific geometry, inherited from more expensive models in the range, ensures stable digital signal transmission while minimizing electromagnetic interference. The insulation combines Teflon with super shielding, creating an effective barrier against mechanical, radio frequency, and electromagnetic disturbances that can affect signal integrity.
The metal tips, called “barrels” at Siltech, are not mere ornaments: these brass elements with polished aluminum finish serve to dampen external resonances and eliminate microphonic effects. This attention to mechanical details reflects the manufacturer’s comprehensive approach, where each component contributes to the final sound quality.
Technical choices in service of musicality
The Kapton-Teflon dual-layer insulation represents an innovation directly derived from research conducted on higher ranges. This combination of dielectric materials offers robust mechanical protection while preserving the optimal electrical characteristics necessary for high-resolution digital transmission. Kapton provides thermal stability and mechanical resistance, while Teflon guarantees excellent dielectric properties.
The monocrystalline structure of 6N copper deserves particular attention. Unlike conventional copper, which has multiple grain boundaries that can create discontinuities in the signal path, the monocrystalline structure offers an unobstructed path, preserving signal integrity from source to converter. This characteristic translates into a notable reduction in background noise and improved spatial definition.
Manufactured in the Netherlands according to the same rigorous standards as all Siltech products, the Explorer 45 USB benefits from the brand’s stringent quality control. Each cable is individually verified with a Tektronix 70 GHz real-time oscilloscope, capable of analyzing with high resolution up to measurable limits.
Connection flexibility and extended compatibility
The Explorer 45 USB is available with USB type A to type B connectors, as well as in USB type C to type C version, thus covering the majority of current configurations. Other connector types can be obtained upon request from the local distributor, offering welcome adaptability to specific configurations.
The cable’s flexibility remains excellent despite the quality of its construction, facilitating installation even in confined spaces. This suppleness contrasts with certain high-end cables whose rigidity can complicate integration into an existing system.
Documentation
Technical Specifications
Construction and Materials
- Metallurgy: ultra-pure 6N monocrystalline copper
- Architecture: twisted pair
- Number of cores: 4
- Insulation: Teflon with super shielding against interference
Available Connectors
- USB Type A / Type B
- USB Type C / Type C
Performance and Benefits
- Stable, precise digital signal transfer with minimal loss
- Ultra-pure 6N monocrystalline copper conductors for optimal quality
- Twisted-pair construction ensuring transfer stability
- Maximum protection thanks to Teflon insulation and super shielding
- Durability and reliability ensured by Siltech’s manufacturing quality
- Exceptional audiophile performance at an accessible price
General Information
The Explorer 45USB is an affordable audiophile-grade digital cable from Siltech, available in USB versions (Type A / B or C / C). Designed for high-fidelity digital interconnection, it ensures stable, precise digital signal transfer thanks to its 6N monocrystalline copper conductors and protection from Teflon insulation and super shielding.
Frequently Asked Questions
What is the difference between 6N monocrystalline copper and standard copper?
6N monocrystalline copper has a purity of 99.9999%, with a continuous crystalline structure that eliminates the grain boundaries present in conventional copper. These boundaries act as barriers to signal passage, creating distortion and attenuation. The monocrystalline structure guarantees a homogeneous electrical path, reducing background noise and preserving the micro-details of the digital signal.
Does the Explorer 45 USB require a break-in period?
Listening tests conducted over several days did not reveal significant sonic changes after the initial break-in period. The cable quickly reaches its optimal performance, although some users may perceive subtle improvements after a few hours of use, mainly due to thermal stabilization of the dielectric materials.
How does the Explorer 45 USB compare to Siltech's silver cables?
Although Siltech is globally recognized for its advanced silver conductors, the copper-based Explorer range is not a poor relation. 6N monocrystalline copper offers a natural timbre and tonal balance particularly suited to systems seeking warmth and harmonic density, where silver favors speed and ultimate resolution.
Can the Explorer 45 USB be used for non-audio data transfers?
Although designed to optimize digital audio transmission, the Explorer 45 USB works perfectly for any USB data transfer. Its robust construction and effective shielding even make it a relevant choice for challenging electromagnetic environments where transfer reliability is crucial.
Is the Explorer 45 USB compatible with USB 3.0 and higher protocols?
The cable supports USB 2.0 protocols, largely sufficient for high-resolution audio up to DSD512 and PCM 32-bit/768 kHz. For applications requiring USB 3.0 or higher, check specific compatibility with your dealer, as certain versions may be optimized for these protocols.
- Eco-contribution included in the sale price.
