See this pair of British Kerr Acoustic (Karl monitor) K100MKII monitor speakers, perhaps many audiophiles will say again, this is not the use of a famous British speaker brand octopus bass and a famous brand of steamed bun midrange it? British Kerr Acoustic (Kerr Monitor) K100MKII monitor speakers with the British brand Octopus bass and bun midrange this is true, but never use the speakers of some speaker manufacturers, and the production of octopus bass and bun midrange of this very low-profile British senior speaker manufacturers called VOLT, founded in 1978, and VOLT provided to the audiophile DIY The retail version of VOLT horn unit was introduced to China in 2018, which is 40 years after VOLT was founded. Certain misunderstood octopus unit or bun midrange is some British brand speaker manufacturers produce their own, in fact, is also customized to VOLT.
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I remember a famous British monitor speaker brand general agent who also uses octopus and bun midrange said that the monitor speaker brand has been established in the 1970s, their monitors have long been customized and used by many very famous professional recording studios in the world, as well as film soundtrack people and musicians, as early as the 1980s there are British monitor speaker brand is also the earliest use of bun midrange and octopus combination The monitor speaker manufacturers, their monitors are used by the famous film soundtrack masters for monitoring and resident in the world famous recording studio, but because the product into China late, often misunderstood as the use of some earlier into the domestic British speaker brand production of speaker units. Users of this brand once said to me: “Because the Internet was not popular before the information is not sound, many Chinese audio media itself is not clear or intentionally mislead audiophiles octopus and steamed bun speaker units are some speaker manufacturers themselves, there are still many audiophiles to blackmail, once you see some later into the domestic use of octopus and steamed bun midrange Speaker brands, said how to copy people or use a certain speaker brand unit? In fact, these units as early as the eighties in many professional speakers used! My own decades in the Hong Kong audio circle, the early 1990s in the play a brand of speakers, they were also once the author of the audio media, when they were also reported by the same industry media people of a brand of steamed bun in the sound is their own exclusive patented design and like a brand of speakers, but also dismantled the box, those units are indeed not visible VOLT brand LOGO … …”, it is no wonder, was also one of the authors of the Hong Kong audio media old players will be misled, how can ordinary audiophiles understand it? Fortunately, with the use of British VOLT octopus and steamed bun midrange speaker manufacturers in recent years more and more into the Chinese audio market, there are speaker unit agents VOLT speaker units, coupled with photos, it is very easy to find out the technical information used and the source, the rumors about the octopus bass and steamed bun midrange speakers can be set straight to set the record straight, they are from the British senior speaker manufacturers VOLT! VOLT speaker unit design just won the Queen’s Award for Innovation, and the VOLT official website has some famous speaker brands with which VOLT cooperates, including Kerr Acoustic.
The owner and designer of VOLT octopus bass and steamed bun midrange is David, the former chief designer of Martin Audio UK, who designed and produced his own phonostage and speakers when he was young, obtained a bachelor’s degree in electronics and a master’s degree in applied acoustics from the University of London, and then worked for a very famous full-range speaker company to start his After that, he started his audio career in a very famous full-range speaker company. David then moved to Martin Audio, the familiar British audio company, to take charge of technical development and production work. In 1978, David founded VOLT to produce high load, low distortion woofers. As VOLT speaker unit orders continued to grow, VOLT also used to rent the fourth floor area of EMI. At the end of 1980s, VOLT’s “Radial chassis star-shaped support frame” design was patented in 1990, which is the familiar octopus structure, with a radial reinforced support skeleton on the front of the octopus structure and very iconic and recognizable, which can enhance the woofer It can enhance the stability of the woofer and improve the heat dissipation efficiency of the voice coil; under long time and dynamic working conditions, the woofer can maintain the best condition and restore the accurate tone, pure texture and clear rhythm of the bass. Following the “octopus” unit was soon adopted by some famous audio companies. The history of the “steamed bun” midrange unit is even earlier, the 1970s, before the establishment of VOLT on the development of the VOLT company still has the original version of the steamed bun midrange unit, the spherical curvature is relatively flat, not coated with glue.
And the protagonist of this article British Kerr Acoustic (Kerr monitor) although the brand was founded not long ago, the founder Jess Kerr in the creation of Kerr Acoustic between the famous music producer and drummer, he believes that there is no such thing as the only right way to design speakers, although many designers use the phase-guided design, the problem is that the guide tube design often falls on the bass response can not To do a truly linear, phase-guided hole port is easy to people bass transient response becomes “fuzzy”. Since the age of 8 he studied music, the right sound judgment than the average speaker designer is more acute, and as a drummer and music producer pitch and requirements are also higher than the average audio designer, can not be high fax to restore the sound of the drums speaker design for the monitor is a very important factor, so he dived into the study of transmission line structure, Jess Carr said:” Transmission line structure design costs more, but often less efficient? A well-designed transmission line, it is easier to distinguish the details and nuances of individual instruments in the lower octaves. Bass and timpani together, for example, the guide tube design of the cabinet may make the sound of these instruments blend together, in the cabinet and the port of the guide phase hole caused by natural resonance and be amplified, the clarity and texture of the instrument is easily contaminated by the sound resonance. The transmission line design cabinet industry has had little success, and thus the industry is still dominated by phase-conduction tube design audio, but transmission line design, when done well, can provide faster and deeper bass for a given cabinet size, with lower distortion.” Kerr Acoustic’s founder Jess Carr’s degree thesis on precisely one large three-wire transmission line speaker for a 12-inch woofer gave him a solid foundation in understanding transmission line design techniques and their practicality. At the same time Jess Kerr I identified a gap in the market for high-end transmission line loudspeakers using premium materials and components combined with planar tweeters.Kerr Acoustic (Kerr Monitors) was founded in June 2017 with the aim of creating a new product through superior cabinet materials, such as the use of very superior and much more expensive than MDF board performance, between each 1 mm thick plywood The company’s aim is to create a unique and natural wood grain texture for each finish of the cabinet through the use of superior materials, such as plywood with a very high performance and much more expensive than MDF board, between each 1mm thickness, and a damping resin layer. And the use of the “octopus” mentioned at the beginning of this article this very good woofer and more rigorous design, production methods, the advantages of the transmission line can be more extreme, so there is this article’s flagship pair of speakers: Kerr Acoustic K100 MKII monitor speakers, which is also the industry’s first pair of A combination of octopus bass, soft dome midrange (bun midrange) and a true ribbon tweeter speakers!
It is worth mentioning that the 80mm true ribbon tweeter is the improved Fountek Neo, which is a very proud domestic ribbon tweeter, as we all know, China is the world factory also gave birth to many top speaker unit design, production or OEM enterprises, Fountek Neo is the second generation of Fountek aluminum ribbon tweeter products, as early as more than ten years ago in the European and American markets, and achieved a very high reputation. In 2000, Fountek team started to research and develop the band tweeter, and in 2004, it broke through the pure aluminum foil diaphragm structure of the original band tweeter and used the sandwich structure diaphragm of high temperature resistant composite material, and in 2005, Fountek successfully developed the split support structure, and in that year, Fountek obtained several innovative patents. The application of high-strength composite diaphragm material can improve the distortion caused by the bad resonance of the metal material itself, compared to the traditional aluminum belt tweeter sound light and no sense of solidity and weight phenomenon can be eradicated, and the traditional aluminum belt sawtooth diaphragm is easily affected by the double impact of the stress generated by the playback of music and gravity and the rate of belt relaxation phenomenon, the need to replace the aluminum belt after a period of time, Fountek’s Fountek’s band tweeter does not have the disadvantages of traditional aluminum band tweeter, and the reliability and sound performance of the unit is excellent. The good reputation in the European and American markets more than ten years ago is enough to show that it is the industry-leading band tweeter speaker unit. This Kerr Acoustic K100 MKII is a specially customized HF Driver real metal ribbon tweeter with 80mm specification, but only 0.036g ultra-light weight and ultra-high bandwidth up to 45kHz!
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