The ordinary version is the middle of the range cable and improves over the Basic version mainly in the areas of upper midrange and extended treble. This is particularly noticeable in female vocals and in the way upper key piano notes ring convincingly. The cable may be cut to any required length and a simple guidance leaflet is provided for connecting it into systems.
- Overall the solid core cable is black in appearance, flexible and unobtrusive (7mm in diameter).
- Constructed of two thick PVC insulated wires (1.8mm copper diameter) with thin wires tightly twisted onto thick wires.
- Directionality is marked on the cable. Ends consist of single 1.8mm solid wires.
- The speaker cable is easily stripped and connected.
Soli-core loudspeaker cables - INTRODUCTION
SOLI-CORE's exceptional performance is based on unique and revolutionary developments. The result is a hi fi cable which outperforms other cables in a large number of systems (including other solid core designs and the specially developed stranded audiophile cables which use expensive manufacturing techniques). The performance is outstanding and yet the cost is within easy reach of anyone who wishes for a significant upgrade.
Loudspeaker cable design - THE BACKGROUND
What makes a good loudspeaker cable? It has been discovered that high frequency signals are best transmitted through "thin" wires while "thick" wires are more effective in the transmission of low frequencies. In order to achieve the best of both worlds conventional audio cables use thin wire strands collectively bunched together to form a "thick" wire. The weakness of this method lies in the unavoidable creation of non-linearities within the cable. It is these non-linearities along with a number of other factors, which consequently degrade the signal passing through a cable. In the past some steps were taken to improve matters by audio cable manufacturers.
(a) Large cross-sectional area of stranded copper.
(b) High purity copper.
(c) Oxygen-free copper.
(d) Linear crystal structure in the copper (LC-OFC).
(e) Special insulation of the conducting wires (PTFE etc.).
(f) "Directionality" of the conductors.
(g) Special low inductance winding of copper strands.
(h) Pressure binding of the conductor strands to minimise minute vibration of the conductors.
(i) Silver plating of conductors.
(j) Litz cable (each strand is individually insulated).
However, while these factors generally improve stranded cable, notable weaknesses still remained. At first when the shift began away from heavily stranded cable to simple single strand solid core cable, there was a mixed response in the Hi-Fi world. Some extolled the virtues of solid core for its listenability. Others complained of less than satisfactory performance. This was probably due to one or more of the following reasons.
(1) Observing that top and bottom end extension is detrimentally affected by conventional solid core cable.
(2) Observing a loss in bass and midrange power over long cable lengths.
(3) Not setting up each wire in its directional bias.
(4) Noting that "thin" solid core seems lacking in good bass performance particularly when the volume is turned up or on inefficient speakers.
(5) Using a cable with a poor impedance match for the system concerned.
Now a major breakthrough has been achieved! The shortcomings which existed in conventional solid core cable have been addressed and overcome. SOLl-CORE possesses all the virtues of solid core loudspeaker cable throughout the whole frequency range, and outperforms conventional stranded cable in every respect. To achieve this remarkable performance SOLI-CORE has a unique construction of thick solid core wires and thin wires (which inhibit the loss of higher frequencies). Each wire is individually insulated and the thin wires are not connected (PAT.P). Additional features include:-
(a) Capability to tune the cable to your system (You will need TWO lengths of wire for each speaker if you use this option).
(b) Directionality set in the wire and labelled
(c) Optimum winding configuration
(d) Smart appearance
(e) Wire diameters selected to within O.O5mm dia
(f) Hidden factors
SOLI-CORE is primarily a speaker cable but also makes an excellent interconnect cable.
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