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4 2 mm home theater speaker cables

Speaker cable is generally used to connect speaker devices to an audio amplifier and are are ideal for use in home cinemas, surround sound and Hi-Fi systems. They have three main properties; inductance, capacitance and resistance of which the latter is the most important. The lower the resistance in the speaker wire, the more power gets through to the speaker coil resulting in better and more powerful sound. A good quality HiFi cable can enhance speaker performance and bring old units back to life. Speaker Cable 5 products. Filter 0.

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4 2 mm home theater speaker cables

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WATCH RELATED VIDEO: The importance of speaker cable length

Speaker cable guide


Speaker cables are the most over-mystified and overrated components of audio systems. Despite the claims of the high-end audio cable industry, what really matters is the careful selection of the wire gauge. Speaker wires have no magical attributes and the signal transmission through a wire is completely understood by engineers and scientists. This guide is a mixture of well-known facts e. It's widely known that inductance loss in speaker cables is negligible up to several meters, but how much is much?

I've studied the inductance loss in detail and I found that the key concept - besides cable inductance - is the impedance response of tweeters. Speaker cables are made of two stranded copper wires surrounded with PVC insulation. The role of the insulation - apart from isolating the two wires from each other - is to prevent the copper from oxidation.

A speaker cable should have very low series resistance and series inductance - and that's all. Oxygen-free copper OFC is considered better for audio, but in fact it has the same electrical and mechanical properties as plain electrolytic copper. And if somebody sells ' Using exotic materials oxygen-free copper, gold, silver, Teflon or construction ribbon cables, Litz wire, coaxial cables, golden ratio or other geometry for matched propagation or skin effect reduction have no benefits in audio cables.

These are just raise the cost and give cables an extraordinary look and feel. There is a major difference between speaker wires aka zip-cords and speaker cables.

Speaker cables have an outer jacket, so they are more durable and better for heavy duty live amplification. In addition to this the outer jacket is mandatory for in-wall installation. Speaker wires zip-cords have no outer jacket and they are intended to be used in home audio systems home theater, stereo. Some cable companies offer speaker cables with twisted wires or tinned copper conductors. Tinned copper has lower oxidation rate than 'bare copper' useful close to the sea.

The twisted pair lowers the induced magnetic field around the cable and lowers the voltage induced in the cable by external magnetic fields. Since speaker cables are connected to power amplifiers with low output impedance, they don't require protection against electric and magnetic fields in the audio frequency range. There is no need to worry about radio frequency interference RFI in a typical listening room as well - unless someone lives in the close field of an LF or MF radio transmitter So shielding and even twisting single speaker cables are completely unnecessary.

The most common and almost the only form of electromagnetic interference in a speaker wire system is the crosstalk between straight and unshielded wire pairs in multiconductor cables or between bundled speaker cables. If several speaker cables are bundled together or installed in a cable conduit side by side and they are connected to different channels on the amplifier, then using twisted pair is highly recommended. For bi-amping, tri-amping twisting is not necessary and a multi conductor cable with straight wires can be used without any further problem there may be a little crosstalk from the tweeter to the woofer, but that's not audible.

Crosstalk between those speaker cables that are lying around on the floor is zero. Since speaker cables are connected to low impedance loads and amplifiers with low output impedance voltage sources , the currents are high and the generated magnetic field around a speaker cable is much 'stronger' than the electric field. Inductive coupling between speaker wire pairs is higher than capacitive coupling, and any 'crosstalk reduction method' should lower the magnetic field around the cable.

There are two basic types of amplifier and speaker terminals in home audio: binding posts and spring clips. But it's much better to terminate the cables with appropriate connectors, because bare wire endings can be damaged quickly.

The resistance, inductance and capacitance of a cable are directly proportional to its length. So the longer the wire, the more resistance, inductance and capacitance it will have. A thicker wire will have less resistance at the same length as a smaller gauge. Doubling the effective cross-sectional area of a wire reduces its resistance by half. Therefore a speaker wire should have low resistance to minimize voltage drop.

The inductance result in high frequency loss, which is only audible with very long cables see at the end of this article. The capacitance only affects the frequency response of a typical solid-state class AB amplifier above kHz. The real problem with high capacitance exotic cables such as ribbon cables, interwoven cables is that they short the amplifier in a very wide frequency range around the quarter-wave resonance frequency between 1 MHz and 10 MHz.

There is no such problem with zip cords or twisted pairs Cable geometry, the spacing of the conductors determine inductance and capacitance.

Greater the distance between the two conductors, larger the inductance of the cable and lower its capacitance. So separating the wires over a long distance is not recommended, because it will add a lot of inductance. The often mentioned, popular skin effect doesn't exist in stranded copper wires below 50 kHz check out these measurements at Audioholics.

In solid copper wires, that are thicker than 2 mm 2 , there is a small increase in the resistance at the top of the audio range. However, even with solid conductors the high frequency attenuation is insignificant: due to skin effect and proximity effect the AC resistance of a 2. Cable inductance is more important as the cable length increases than the skin effect.

A speaker's impedance rating is merely a nominal figure. The minimum value of the speaker's impedance will determine the largest attenuation due to wire resistance and output resistance of the amplifier. Lower the minimum impedance, higher the attenuation with a given cable and amplifier.

Speakers with 4 Ohm nominal impedance rating are more 'sensitive' to wire resistance, inductance and to the output resistance of audio amplifiers than speakers with 8 Ohm nominal impedance. Sometimes the label on the rear panel of a loudspeaker displays something like ' ohms'. In this case, the speaker has drivers with different impedance ratings, e.

These type of speakers should be taken into account as 4 Ohm speakers when determining the cross-section. In inductance calculations the impedance of the tweeter or tweeter section is what matters. There is a minimum wire cross-sectional area or gauge AWG for a given speaker impedance, cable length and allowed loss dB.

Or put it differently: there is a maximum cable length for a given speaker impedance, wire cross-sectional area and allowed loss. A more accurate calculation may include the output resistance of the amplifier and the inductance of the cable.

For even greater precision the amplifier's output inductance can be used as an extra parameter. The most important parameters are wire gauge, length AND the nominal impedance of the loudspeaker. The output impedance of an amplifier in the case of audio power amps this is the output resistance can be calculated from the damping factor.

Both the damping factor and the output impedance vary with frequency. So mOhm is a good approximation in loss calculations. Datasheets with DF or output impedance vs.

Fortunately, there is a great collection of audio amplifier measurements here. Output inductance is between 1 uHenry and 2 uHenry. The source of this inductance is that in the vast majority of amplifiers there is a small inductor parallel with a resistor to prevent oscillation with long and 'bad' cables. The table below describes the recommended maximum cable distances for various speaker cable gauges cross-sections and speaker loads with 0.

AWG American Wire Gauge : the higher the gauge number, the smaller the diameter, and the thinner the wire. How does it work? Selecting the right cables for 8 Ohm speakers even for 0.

The reason for this is simple: the greatest uncertainty in the calculation is the output resistance of the amplifiers.

The amplifier used in the measurements by the speaker manufacturer probably has a different type compared to the amp that powers the speakers at home. The difference between the output resistances can be as high as mOhm e. This results in 0. Considering the magnitudes of the reflections in a typical room, it's really just a game with numbers, and this error won't make a good system worse, but it's still part of the system.

Here is a simple method for calculating the resistance of a copper wire or cable. The inductance of long speaker cables may cause some loss of the highest audible frequencies. The actual high frequency roll-off depends on the inductance of the cable and the nominal impedance of the tweeter more closely the impedance curve of the tweeter measured from the speaker terminals. The cable's inductance is function of length and cable design. Fortunately, dome tweeters with same nominal impedance rating have similar almost the same impedance curve between 10 kHz and 20 kHz, so speaker wires of the same length and design will have a very similar attenuation.

The difference between two 8 Ohm 25 mm 1 inch dome tweeter is almost zero below 10 meters, and about 0. The graph below shows the estimated loss for 8 Ohm and 4 Ohm tweeters and for pure resistive loads. With resistive load the attenuation would be less. Not valid for coaxial, star quad, woven CAT5, ribbon, 'more wires than the colors of the rainbow' type cables. The attenuation of the cable's resistance and inductance are additive, however the addition is not a perfect summation, the overall loss at 20 kHz is a bit less than the sum of the two losses.

If we allow 0. What about the audibility of inductance loss and the length of the cable? First of all, I don't think that we can define an exact limit for the cable length.

If I had to choose a limit, then I would choose 7 meters for 4 Ohm and 15 meters for 8 Ohm speakers. On the other hand, it can be stated for sure that inductance loss is not audible up to five meters for 4 Ohm tweeters and up to ten meters for 8 Ohm tweeters. It follows that there is no need for ultra low inductance speaker cables.

Sometimes there is a little overshoot in the response due to the interaction between the reactive load presented by the crossover and the cable inductance.

The magnitude of the overshoot is very small Speaker cables are the most over-mystified components of the audio signal chain. And yet they are the simplest and cheapest ones. Changing the listening position has more dramatic effect than switching to a cable with slightly larger cross-section.

See also: Audio interconnect cables explained Video lessons: Introduction to audio measurements, debunking audio myths. Speaker cable guide Last edited: May 14, Speaker cables are the most over-mystified and overrated components of audio systems.

Some words on shielded and twisted speaker cables and electromagnetic interference Since speaker cables are connected to power amplifiers with low output impedance, they don't require protection against electric and magnetic fields in the audio frequency range.


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4 2 mm home theater speaker cables

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Speaker wire


You feel it the minute you put them on. The soft, plush cushions seal you in. Then you flip the switch and whoosh — the world fades. For the best experience, wear quality headphones and make sure your volume is at a comfortable listening level. We use tiny microphones hidden in the earcups to continuously measure, compare, and react to outside noise.

Speaker Wiring

US UK. Switching between stores will remove products from your current cart. Digital Restock. Item : This cable pack is compatible with most home theater systems that use 4. Please measure the spacing between the two pins to make sure it is 4. Cables come in six different colors.

Although there really is no best speaker cable, the Monoprice 12 of gear in your entire home theater setup and the impact it makes is negligible.

Speaker Wire 101: Which Is the Best Gauge for Your System?

Works as expected. Without them my home theater system would have been rendered useless for surround speakers after the original adapter was broken. Very good quality hard to find pieces! Very pleased with the price also, would most definitely recommend!!

Hear the vocalist draw a breath before the song begins. Our audibly superior designs and materials clearly disprove the common belief that a heavier gauge is all a cable needs. From a highly flexible in-wall, to objectively engineered reference standards, Wireworld speaker cables will open up your ears to an exciting new listening experience. Wireworld Series 8 speaker cables have more strand groups than Series 7, which strengthens the electromagnetic field that moves the signal through the cable. Visit our store to shop for these audio speaker cables. The addition of silver-cladding improves resolution over the Eclipse 8 and makes it sound closer to the solid silver Gold Eclipse 8.

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This ultra Low Profile package allows this high quality design to be compatible with many new and older Home Theater systems such as; Samsung, Sony, Pioneer, Yamaha, Toshiba, Sharp and many more. This set comes complete with 6 color coded connectors and each connector is attached to a 6 inch 18 Gauge high quality lead wire that allows you to attach your own speaker cables to make any custom length cables you need. If the sockets on your system matches any of the sockets shown here then the Universal 4. The Universal 4,2mm Low Profile connector is an aftermarket speaker connector that has been designed specifically for Home Theater systems and Audio systems that require a special Proprietary speaker connector. Most systems that require a proprietary connector will only allow you to use the specific connector that was designed for that system and only that system.

JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser. QED was one of the first companies in the world to recognise the importance of loudspeaker cables and introduced the first 79 strand model in Our subsequent designs have been built upon our continuing research into this vital link in the hi-fi chain, winning more industry awards than any other brand and are supported by our lifetime guarantee.




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