Oehlbach NF Sub 5m
Overview
The Oehlbach NF Sub cable is designed to connect active subwoofers to AV receivers. It features a coaxial construction and multi-layer shielding, making it suitable for transmitting low frequencies. This model is regularly mentioned in the specialist press and is appreciated by many users for its performance in sound reproduction.
Technical Construction and Specialized Materials
The NF Sub’s architecture is based on a large-diameter, oxygen-free copper (OFC) inner conductor, specifically sized to optimize low-frequency transmission. This technical approach differs from conventional audio cables by favoring a thicker conductor, allowing better signal flow in the bass range where impedance can vary.
The multi-layer shielding is the other technical pillar of the product. Made of a copper braid, it forms an effective barrier against electromagnetic interference that can degrade the audio signal. This protection is especially crucial in modern home environments, saturated with electronic devices likely to generate interference.
The highly flexible plastic outer sheath represents a successful technical compromise. Despite the structural robustness needed to protect the internal components, the cable remains remarkably flexible, making installation in tight spaces easier.
Compatibility and Ease of Installation
Gold-plated RCA connectors ensure universal compatibility with all home theater equipment on the market. The gold plating protects the contacts from corrosion and ensures a reliable connection over time, a crucial element for maintaining transmission quality.
The design of the solid plugs ensures a firm hold in the sockets, preventing accidental disconnections. This feature is particularly appreciated when handling equipment or reorganizing installations.
The minimal bending radius allows for easy installation even in confined spaces, without risk of damaging the cable. This flexibility makes it easy to route through wall ducts or behind furniture, which are common situations in home setups.
Documentation
French
Technical Specifications
Connectivity
- Connector type: RCA
- Signal direction: IN / OUT (input / output)
- Signal type: analog audio
Cable Construction
- Length: 5 meters
- Cable geometry: circular (round)
- Cable diameter: 7.0 mm
- Minimum bending radius: 45 mm
- Inner conductor material: oxygen-free copper (OFC)
- Structure: coaxial with large-diameter inner conductor
- Shielding: multiple shielding with copper braid
- Outer sheath material: solid, highly flexible plastic
Performance and Reliability
- Transmission: optimized for low frequencies (subwoofer)
- Audio reproduction: precise, powerful, and interference-free
- Contacts: 24-carat gold-plated connectors
- Connection reliability: excellent contact thanks to solid plugs
- Flexibility: very high despite structural robustness
Frequently Asked Questions
What is the real difference compared to a standard RCA cable?
The main differences are the reinforced shielding, the large-diameter OFC conductor, and the optimization for low frequencies. Users report a noticeable improvement in bass quality and the elimination of unwanted hum, especially evident on high-quality systems.
Can the cable be installed in a wall duct?
Yes, the cable’s flexibility makes this type of installation easy. One user confirmed successfully running it through a wall duct over 10 meters without any particular difficulty, while maintaining excellent performance.
Does the gold plating on the connectors provide a real benefit?
Gold plating protects the contacts from oxidation and ensures a stable connection over time. This protection becomes especially important in humid environments or for permanent installations where long-term reliability is essential.
- Eco-contribution included in the sale price.
- Manufacturer reference: D1C21535
- GTIN / EAN: 4003635215357
