DNM Reson Solid Core Speaker Cables 5.0m Pair

DNM do things a little differently to most Hi-Fi companies as you can read further down, but for all their strangeness a lot of what they do makes a lot of sense and has made their products the go to choice for many music enthusiasts. Here we have a five metre pair of the well-regarded Reson solid core speaker cable that is in very good condition and full working order.
Dennis N Morecroft (hence DNM) says….
DNM began designing hi-fi equipment in 1978. Now DNM produce amplifiers that are small, lightweight, and unique in many respects. Most importantly, they are made in this way to increase sound fidelity.
Since 1984 all DNM casework has been made in an attractive acrylic, an ideal material for an amplifier case because it’s a good electrical insulator, so it doesn’t interact with the signal and DNM’s light, flat-panel construction ensures that casework resonances remain at a low energy level, reducing microphony and improving all aspects of performance.
The acrylic that DNM selected is not a standard “off-the-shelf” type – it is a precision material, much more expensive than most metal casework. DNM use plastic in all parts of the construction, the chassis parts and even the fixing screws are strong nylon. We use plastic because of the extra performance it gives our products – and as a bonus the lower weight actually boosts the sound quality as well!
DNM’s work on the hi-fi system has resulted in the development of many new components. Where possible we have made these available to other companies and several of the most significant Hi-Fi companies in the world use components designed by DNM. The Slit-Foil and T-Network capacitors are examples of DNM components available for all to use.
DNM produced the original solid core interconnect and speaker cables – first invented in 1984. Little changed in design since their introduction, the cables were designed to work with DNM amplifiers – but they’re also universal in their application for home use.
Original Mono Solid Core Cable
Since the early 1980’s, there has been an increasing demand for high-quality interconnect and speaker cables. What began as a quest by music lovers to get that little bit more out of their hi-fi systems has grown into a multi-million-pound business, full of marketing hyperbole, exotic packaging, and enough expensive metal to build a ship!
Unfortunately, many of these over-engineered cables owe more to increasing the perceived value of the product than to improving sound quality. Ribbon-type solid core cable was originally developed by DNM back in 1984 and now has many converts. It represents the opposite approach to most of the audiophile cable market, but it is designed for domestic audio – and for that application we believe it is the best at any price.
The majority of cables used in audio have been selected for their low inductance, low resistance and high capacitance characteristics as measured on the test bench. These parameters define what are believed to be the electrical properties most ideal in an audio cable.
Applications, however, vary widely, from recording studios through public address systems and live concert amplification to the domestic, with each having its own particular demands. No multi-purpose cable can suit the precise requirements of the domestic music lover as well as one designed specifically for that purpose – as home listening tests prove!
There are good technical reasons for this.
Eddy Currents
Once the cross-sectional area of a cable exceeds a certain size, things begin to go badly wrong with the sound. Complex interactions between the cable and the magnetic fields generated by transmission of an electrical signal cause circulating eddy currents, which also generate significant magnetic fields.
These induced magnetic fields oppose the original signal – the result is distortion. In short – smaller cross-sectional area gives greater clarity.
When auditioning speaker cable, most of the differences heard are caused not by the cable itself but by the amplifier reacting to the revised loading of the cable. Large, multi-strand cables are recommended by some manufacturers because their low resistance is thought to maintain the amplifier’s low output impedance. Whilst this is true, it has no sonic benefit at all because amplifiers sound better when driving through a resistive or inductive load.
Large diameter high-capacitance cables connect the amplifier’s sensitive feedback control system to a short circuit, a type of load that invariably worsens the amplifiers sound quality.
Smaller diameter cables with higher resistance and inductance help to isolate the amplifier’s feedback control system, improving clarity throughout the frequency range.
This argument for the speaker cables applies equally well for each element in the audio chain, other cables and even electronics. So, the interconnect cable is equally important and amplifier design is influenced by these considerations as well.
The final proof is in the auditioning. Although our cables are inexpensive by high-end audio standards, we believe that they prove their worth, no matter how complex and expensive the competition!

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