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are expensive cables a waste of money
You always get a free cable in the box: a phono interconnect with a CD player, an HDMI lead with a Blu ray device. But should you use it?
Speak to a shop salesman, audiophile or home cinema geek and they tell you that they not worth bothering with; they a weak link preventing the best picture or sound quality. If you want true quality, you need to spend hundreds or thousands of pounds on high end cables.
Others will tell you that spending just a few pounds on a well constructed lead will suffice. That as long as it isn shoddily made, the signal will whizz through with little or no degradation, thanks to the laws of physics.
We have spoken to cable manufacturers, engineers and psychologists, and conducted our own listening test, to get to the bottom of this controversial issue.
There are really two types of cable that we talk about here: digital and analogue. Inside a speaker cable, for example, is an analogue signal which literally drives the speaker. But inside an HDMI cable there resides a stream of digital image and audio data which the television interprets and displays in a systematic way.
Some information from the audio source is lost in the cable
Kevin Kelly, managing director of Atlas Cables, tells me that the problem to solve in analogue cables is attenuation; your sound source sends a signal to the amplifier which loses intensity on the way. Similarly, the amplifier sends a signal to the speakers which loses clarity before it arrives.
The very best cables and Atlas make some which cost up to 3,500 for a two metre length are designed to lose as little as possible.
can add anything, he tells me.
Kelly likens what his team of engineers do to the work of cycling coach David Brailsford, who helped Bradley Wiggins to victory in the Tour de France with his philosophy of gains Brailsford shook up the sport by using advanced science, medicine and engineering to eek out hundreds of tiny, miniscule improvements that,van cleef fake bracelet, when added together,van cleef and arpels fake clover bracelet, made the difference between being on the podium and not. the game we in, said Kelly.
For instance, the company believes that tiny inclusions and imperfections in the copper used by many manufacturers weakens the signal. So it uses a specially sourced type of copper that is cast in a continuous wire to achieve purity of 99.99999 per cent. This carries a signal better, it claims, but does not react well to being heated or bent, so it cannot solder connectors and has to crimp them at greater cost. For the same reason, it can coat the wire directly with hot,van cleef knock off alhambra bracelet, molten insulation, so has to wrap it with a tape like Teflon first. This all adds cost. But does it add sound quality? Or, at least, remove less?
come in and say just a wire well it not quite. There a lot of engineering in the process that trying to make a better and more efficient product. But the proof of the pudding comes down to the customer coming in, putting it in their system and justifying whether the value there or not.
could bamboozle a customer with lots of physics about the cables, but what we tend to do is give them a demonstration. The customers are trying to get closer to the music.
There is genuine value in R and materials going into these high end cables, Atlas claims. It makes the same profit margin, in percentage terms, on every cable it makes from 45 to thousands of pounds.
Not everyone agrees that you need to spend four figures, though, even among cable makers themselves.
Andrew Rothwell, founder of Rothwell Audio, claims that his reasonably affordable 69 interconnect cables are costly compared to the cheapest options for good reason, and more than good enough for most applications: cables are put together by hand, we don have millions of pounds worth of machinery to assemble things, and we don use far eastern labour.
done by hand in the UK and the price that you see on the website is the retail price. Once you taken VAT off that, and the shop profit margin, we not selling them to the shops for a vast amount of money. We don make a vast amount of money on each set. Its not as if we profiteering.
Rothwell is pragmatic about the effect its cables can have, and reflects this in its jargon free advertising: don make any rash claims on the website. I don claim that they or or Some people do, and to be honest I do take issue with some of their claims. I just say that they neutral and good quality.
have heard different cables sound subtly different. Possibly just due to small differences in capacitance, I don know. But it not simply a matter of one cable costs twice as much so it twice as good. Anyone can ask a lot of money for a cable, and some people will automatically assume it very good. I a little bit of a cynic.
you got an MP3 player or an iPad on a docking station with tiny little plastic speakers, you not going to hear any difference. But at the other end of the spectrum,van cleef fake gold bracelet, where you got speakers costing tens of thousands, you will hear something differences, not necessarily improvements.
He said that the average person seeking better sound quality would have more luck experimenting with the position of their speakers than buying expensive cables. The difference doing this makes can be and costs nothing but the inconvenience of having them in the optimum spot acoustically, rather than practically. Cables are often seen as a shortcut to better sound that requires less effort.
cable looks cheap. Because the market goes up to more than 3,000, people look at our cables and think can be very good, so let not bother with those If there was nothing over 100 on the market we probably sell more cables.
Obviously cable manufacturers are biased, so we turned to an impartial source for clarity. Patrick Gaydecki is a professor of digital signal processing at the University of Manchester School of Electrical and Electronic Engineering.
Firstly, he told me that claims of higher quality made regarding digital cables like HDMI and USB cables are all nonsense The only real problem that could occur is a reflection of the signal bouncing back from the end of the cable, creating a spurious signal. Such problems are avoided by ensuring what is termed "impedance matching" and this has no bearing on cost all modern cables do this equally effectively.
cheap cable costing you 5 will perform no better or no worse than a cable costing orders of magnitude more, he said.
The Equator HDMI cable from Atlas Cables costs 75 for a metre
This is backed up by extensive and highly rigorous tests, such as this one from Expert Reviews, which have shown that HDMI cables varying from 5 to 150 produce literally identical results down to the exact shade of each and every last pixel.
So, it can be said with a high degree of confidence that you should spend enough on an HDMI cable to ensure that the connectors are robust and well made, but no more. Even if very occasional errors should creep in, modern televisions have built in circuitry that can spot an anomalous pixel caused by a stray bit and blend it in. You would never notice.
Turning to analogue, Gaydecki said once again that extremely expensive cables were a waste of time and money with one caveat.
You always get a free cable in the box: a phono interconnect with a CD player, an HDMI lead with a Blu ray device. But should you use it?
Speak to a shop salesman, audiophile or home cinema geek and they tell you that they not worth bothering with; they a weak link preventing the best picture or sound quality. If you want true quality, you need to spend hundreds or thousands of pounds on high end cables.
Others will tell you that spending just a few pounds on a well constructed lead will suffice. That as long as it isn shoddily made, the signal will whizz through with little or no degradation, thanks to the laws of physics.
We have spoken to cable manufacturers, engineers and psychologists, and conducted our own listening test, to get to the bottom of this controversial issue.
There are really two types of cable that we talk about here: digital and analogue. Inside a speaker cable, for example, is an analogue signal which literally drives the speaker. But inside an HDMI cable there resides a stream of digital image and audio data which the television interprets and displays in a systematic way.
Some information from the audio source is lost in the cable
Kevin Kelly, managing director of Atlas Cables, tells me that the problem to solve in analogue cables is attenuation; your sound source sends a signal to the amplifier which loses intensity on the way. Similarly, the amplifier sends a signal to the speakers which loses clarity before it arrives.
The very best cables and Atlas make some which cost up to 3,500 for a two metre length are designed to lose as little as possible.
can add anything, he tells me.
Kelly likens what his team of engineers do to the work of cycling coach David Brailsford, who helped Bradley Wiggins to victory in the Tour de France with his philosophy of gains Brailsford shook up the sport by using advanced science, medicine and engineering to eek out hundreds of tiny, miniscule improvements that,van cleef fake bracelet, when added together,van cleef and arpels fake clover bracelet, made the difference between being on the podium and not. the game we in, said Kelly.
For instance, the company believes that tiny inclusions and imperfections in the copper used by many manufacturers weakens the signal. So it uses a specially sourced type of copper that is cast in a continuous wire to achieve purity of 99.99999 per cent. This carries a signal better, it claims, but does not react well to being heated or bent, so it cannot solder connectors and has to crimp them at greater cost. For the same reason, it can coat the wire directly with hot,van cleef knock off alhambra bracelet, molten insulation, so has to wrap it with a tape like Teflon first. This all adds cost. But does it add sound quality? Or, at least, remove less?
come in and say just a wire well it not quite. There a lot of engineering in the process that trying to make a better and more efficient product. But the proof of the pudding comes down to the customer coming in, putting it in their system and justifying whether the value there or not.
could bamboozle a customer with lots of physics about the cables, but what we tend to do is give them a demonstration. The customers are trying to get closer to the music.
There is genuine value in R and materials going into these high end cables, Atlas claims. It makes the same profit margin, in percentage terms, on every cable it makes from 45 to thousands of pounds.
Not everyone agrees that you need to spend four figures, though, even among cable makers themselves.
Andrew Rothwell, founder of Rothwell Audio, claims that his reasonably affordable 69 interconnect cables are costly compared to the cheapest options for good reason, and more than good enough for most applications: cables are put together by hand, we don have millions of pounds worth of machinery to assemble things, and we don use far eastern labour.
done by hand in the UK and the price that you see on the website is the retail price. Once you taken VAT off that, and the shop profit margin, we not selling them to the shops for a vast amount of money. We don make a vast amount of money on each set. Its not as if we profiteering.
Rothwell is pragmatic about the effect its cables can have, and reflects this in its jargon free advertising: don make any rash claims on the website. I don claim that they or or Some people do, and to be honest I do take issue with some of their claims. I just say that they neutral and good quality.
have heard different cables sound subtly different. Possibly just due to small differences in capacitance, I don know. But it not simply a matter of one cable costs twice as much so it twice as good. Anyone can ask a lot of money for a cable, and some people will automatically assume it very good. I a little bit of a cynic.
you got an MP3 player or an iPad on a docking station with tiny little plastic speakers, you not going to hear any difference. But at the other end of the spectrum,van cleef fake gold bracelet, where you got speakers costing tens of thousands, you will hear something differences, not necessarily improvements.
He said that the average person seeking better sound quality would have more luck experimenting with the position of their speakers than buying expensive cables. The difference doing this makes can be and costs nothing but the inconvenience of having them in the optimum spot acoustically, rather than practically. Cables are often seen as a shortcut to better sound that requires less effort.
cable looks cheap. Because the market goes up to more than 3,000, people look at our cables and think can be very good, so let not bother with those If there was nothing over 100 on the market we probably sell more cables.
Obviously cable manufacturers are biased, so we turned to an impartial source for clarity. Patrick Gaydecki is a professor of digital signal processing at the University of Manchester School of Electrical and Electronic Engineering.
Firstly, he told me that claims of higher quality made regarding digital cables like HDMI and USB cables are all nonsense The only real problem that could occur is a reflection of the signal bouncing back from the end of the cable, creating a spurious signal. Such problems are avoided by ensuring what is termed "impedance matching" and this has no bearing on cost all modern cables do this equally effectively.
cheap cable costing you 5 will perform no better or no worse than a cable costing orders of magnitude more, he said.
The Equator HDMI cable from Atlas Cables costs 75 for a metre
This is backed up by extensive and highly rigorous tests, such as this one from Expert Reviews, which have shown that HDMI cables varying from 5 to 150 produce literally identical results down to the exact shade of each and every last pixel.
So, it can be said with a high degree of confidence that you should spend enough on an HDMI cable to ensure that the connectors are robust and well made, but no more. Even if very occasional errors should creep in, modern televisions have built in circuitry that can spot an anomalous pixel caused by a stray bit and blend it in. You would never notice.
Turning to analogue, Gaydecki said once again that extremely expensive cables were a waste of time and money with one caveat.
The Wall