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Chord Rumour X - single-wire - banana

Chord Rumour X - single-wire - banana

  • Chord Rumour was our second attempt at producing a speaker cable. The first two being Myth and Legend – copper and polyethylene flat cables in single and bi-wire configuration.
$277.78 - $339.00
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Warranty 24 months
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Chord Rumour X - single-wire - banana
$277.78 - $339.00

Rumour X speaker cable

Chord Rumour was our second attempt at producing a speaker cable. The first two being Myth and Legend – copper and polyethylene flat cables in single and bi-wire configuration. We were also investigating speaker cables that used silver-plated conductors in combination with PTFE insulation. We had been experimenting with twisted pair conductor configurations, as at the time, heavy gauge parallel conductors were the standard for speaker cables. By twisting the conductors together, we could hear the noise floor of the system improve. We reached an ideal twist ratio and designed the cable around this.

When we launched Chord Rumour in 1996, it was one of the smallest speaker cables available (16 AWG). Retailers would take it into their demo rooms looking dubious and come out looking surprised and delighted. It sounded a lot bigger than it looked, it carried detail and dynamics really well and it was more coherent than just about any other cable around. As people got over the size and listened, rather than looked, it became a very popular cable. Apart from cosmetic changes it remained unchanged for many years.

The size, the colour and the performance mean it’s still a popular cable. Our Chord Shawline shielded speaker cable shares the same conductors.

Previous versions of Rumour speaker cables used PTFE insulation (often referred to as Teflon™) and until the arrival of Taylon®, this was our “go to” material. Although expensive, PTFE offered the best performance.

Material technology is constantly developing and improving and alternatives to PTFE are now available. While the high cost of Taylon® prevents us from using this in all of our ranges, we were able to find a suitable family of insulation materials known as XLPE (Cross-linked Polyethylene). One version of this material looked particularly interesting and following listening tests, proved to be clearly better than the PTFE in Rumour speaker cable – now known as Rumour X.

Specifications:

  • Conductor Silver-plated OFC

  • Insulation XLPE

  • Configuration Twisted pair

  • Shielding None. PVC outer jacket

  • AWG 16  (1.31 mm2)

  • Diameter 6mm

Chord Ohmic 4mm Silver Banana Plugs 

Our new ChordOhmic silver-plated loudspeaker plugs are designed to bring both the electrical and sonic benefits of silver to speaker cables everywhere. The new plugs will be fitted to all Chord Company speaker cables, as well as being separately available as a retro-fit upgrade, enabling this revolutionary 4mm connector to improve other brands of cable, too.

For many years we have been using silver-plated copper conductors in our designs. Our silver-plated designs are paired with silver-plated connectors. Using silver in cables can be misunderstood, as many people still associate the use of silver with a bright, overbearing sound characteristic. In our experience, however, this brightness is actually caused by a poor choice of insulation material rather than the silver! The only major exception to this rule has been Chord Company gold-plated (4mm/spade) speaker connectors.

Why not gold?

Although gold is generally perceived to be the best plating material for high-quality connectors, its only major advantage is its total resistance to corrosion (not normally a domestic issue!). In our experience, the customer also associates it with performance and quality due to gold’s high commercial value. Matters are further complicated by the various other plating materials on offer in the hi-fi industry (e.g. rhodium, copper, brass and nickel) with each having wildly differing prices and claimed performance levels.

Science, statistics and misinformation as we see it!

Gold is, in fact, the third most conductive metal available. It is outperformed by both copper (+140% better) and silver (+148% better). Better conductivity means lower resistance and therefore, less signal loss. Less signal loss means increased performance – as expressed by Ohm’s law! Hence the name of our new speaker plugs.

Although pure copper is a good conductor, at room temperature it is susceptible to oxidisation and drastically drops in conductivity when oxidised. Plating the copper can protect it from this process. Plating materials include tin (25% as good as gold), nickel (33% as good as gold) and rhodium (50% as good as gold).

Crucially, silver-plating not only makes sense from an electrical point of view, it gives an audibly superior result during listening tests, when compared with gold plated connectors.

What about tarnish?

It’s a common mistake to think that because silver oxidises it is a poor conductor. The reality is that silver does not oxidise until it reaches 170 C. It does, however, tarnish at room temperature, reacting with sulphur in the air.
Although tarnished silver is not the nicest thing to look at (on ornaments or cutlery), electrically, it is less troublesome.

Tarnish (normally silver sulphide) is a soft and malleable material and can be easily moved aside with very little force. We ensure these forces are present in our speaker plugs and spade connectors. The diagram below illustrates the fact that no matter how smooth a contact looks to the naked eye, it is still quite rough at a microscopic level. There are limited points of actual contact, even under fairly high levels of force. By simply moving a connector in and out of the socket, it is possible to effectively clean the contact points. Ensure all equipment is switched off before doing this simple maintenance procedure.

Plugs will also benefit from a major clean, using a good contact cleaner or enhancer.

Above: Top section shows a low compression connection. Lower section shows the deformation of the plug and socket when compressed together. This compression displaces the soft tarnish as well as increasing the contact area.

Technical specifications
Symbol
Chord Rumour X - single-wire banany
Warranty
Lenght
2m
2,5m
3m
Conductor type
OFC
Apply
Single-wire
Condition
New
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4.97 / 5.00 29 reviews
IdoSell Trusted Reviews
2024-06-01
it's always a pleasure to deal with you, guys! Every time everything is very smooth and in time. Great service, decent prices, top products and I simply love to come back :) 10 out of 10!!!!
2024-05-20
Highly recommended store. They answered my emails promptly and the shipment was very fast. I will certainly buy from them again.
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