Official Website of Johnson Musical Instruments.

Johnson Musical Instruments has become a leading musical instrument manufacturer over the last 10 years by offering great lines of guitars and pro sound with unmatched value. We began crafting guitars and fretted instruments over 10-years ago and have built up a vast collection of acoustics, electrics, resonators, folk, amps, pro sound, and more. Our dedication to preserving the best interests of our customers at affordable prices has kept us a forerunner in the industry.



The premiere Johnson guitar to flagship the company was the JM-998 Style-O Metal Body Resonator. This pre-war style metal body guitar is made with high grade European bell brass and is still one of our best resonators. The superb quality and attractive cost of the Resonator lead to the quick rise in popularity of the Johnson name.



Today, Johnson has expanded to offer a wide selection of resonators, acoustic and electric guitars, folk instruments including banjos and mandolins, a full range of amplifiers, as well as, pro audio sound equipment. All of these products are available in the United States and throughout the world.



To learn more about Johnson Musical Instruments, we invite you to take some quality time and search the website for the instruments that interest you most. You will find many helpful tips and musical advice along the way. Enjoy the website … and Come Ready to Play!



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Early in the eighties SD Systems decided to try solving an old problem: how should a sax player in a rockband manage to project the sound of his horn over the dominant group sound? No mike existed which would offer sufficient quality and without limiting the freedom of movement of the player. The fact SD designers were sax players themselves was of great advantage for the development of the mike.

A Leightweight Condenser Microphone, which could be directly attached to the bell of the sax by means of an adaptable mounting system -the legendary LCM85- was born. With it, total freedom of movement on stage finally came, as well as an end to those ever dominating guitars. Serge Schrier, present director of SD Systems, was playing in the rock circuit, at the time where he met Rob Dugour, guitarist and sax player. SD Systems was established in 1981.
During 1985, the highly specialist knowledge thus acquired was put to use in the development of the LCM85.In a certain way the LCM85 meant a fresh start: with the complete concentration of existing manufacturers on voice mikes and studio mikes, a gap in the market was discovered. In those days the LCM85 was still made in a very primitive way: the housing of the capsule consisted of a male-XLR plug with four hand drilled holes in the sides, and to shield the capsules they used mosquito screen which happened to lie in the attic.. The capsules had to be sorted individually with 75% dropping out due to great variation in quality at that time. A very time-consuming job because it had to be done by ear holding the sax in their hand.
In 1986 the first mike system for drums was designed: the LCM90.With its integrated power supply and easily fitting mounting system, gripping the rim of any drum, this mike also turned out to satisfy users' expectations to the model after another, tailored to optimal amplification of each different fullest. One new LCM instrument, was offered to the market.
Meanwhile the competition's attention was attracted. Thanks to annual participation in the Frankfurter Messe they quickly picked up ideas: two years after the introduction of the LCM85, Ramsa (Japan) came with a mike system for sax and drums. In 1987 Shure developed the SM98 with a very primitive mounting system. In 1988 AKG introduced the minimike series. In the USA Countryman was introduced. Copies were made with enthousiasm: in 1990, Beyer introduced a system which looks close to AKG.

Basic mistakes were made in the design of many of these models: the strong sound rumbles from the sax keys were striking, just as a wrong mike-position, bad frequency characteristics in the high range, the design of the preamp, feedback and instable mounting on the instrument.

All the mikes in the LCM series are characterized by a unique mounting system and superior sound reproduction which is pure and natural and very clear in the high ranges. For each application special high-quality condenser elements are selected, whose characteristics are exactly tailored to their specific use. The LCM89 model for example is favoured by many jazz sax players, because during low volumes the patented elastic hangup of the element almost totally eliminates sound rumbles from the keys.

SD has built up a worldwide network of endorsers, in classical as well as in jazz and rock music. This gives a lot of feedback so they know exactly what the needs are. Right now in Holland and Germany, SD is doing the representation direct. This has the great advantage that through these direct lines the retailers' and customers' wishes can be honored more quickly. In order to get firm footing in the US, SD has strongly exerted theirselves to enter the American market. Rayburn Music in Boston was the first shop to sell SD mikes. Now, thanks to the introduction of a revolutionary and ingenious low cost model, the SX-1 sax mike and the High Power LDM94 model that is especially developed for the US market, the American interest is increasing. Many Americans play with enormous sound pressure because of the 'power' mouthpieces which are fashionable over there. A shame, because combining older mouthpieces with an LCM89 mike the dynamic range is higher and variation in sound is easier!


In the meanwile, many endorsements are settled with great musicians. Serge Schrier : " It started with Emilio Lyons' visit at the Frankfurt fair. Lyons is a famous saxophone repairer who works for Rayburn Music, Boston: he 'nurses' the instruments of nearly all the great musicians on the American Jazz scene. about: he introduced us to Stan Getz in 1987. Getz became SD's first major endorser. I've been in touch with him often, an extraordinary kind and charming man. His death shocked us. I myself have been a Jazz fanatic since I was fifteen. It was a great honour to personally meet nearly all my great idols from those days, either at the North Sea Jazz festival in The Hague or at our place. We have developed a personal relationship with them. Americans -however famous- have always been very pleasant and are always receptive to new ideas.
SD Systems has its base in Amsterdam, Holland. Their new premises are located near the beautiful old centre of town. Right now, more than 20 different systems are in production. All this has been made possible mainly by new facilities which they now have at their disposal. At first place new premises have made it possible to make development and assembly more efficient.
In the last few years considerable investments were made in innovative research and test equipment. Many jobs are put out to contract to several specialised top industries in the neighbourhood. SD produces on demand.

World leading manufacturers and suppliers of sound equipment for the live PA, DJ and Karaoke markets. Mixing desks, Power Amplifiers, Speaker Cabinets, Monitor speakers, Microphones, Graphic equalisers and more.

With a history dating back to 1976, RSD and Studiomaster have a huge amount of experience and knowledge, which is reflected in the products offered to you today.

An ever growing product range, the Studiomaster brand name is back at the forefront of pro-audio and is stronger than before.

Our products are manufactured to ISO9002 quality standards, and are designed to give you the customer many years of trouble free use.



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Professional Quality Digital Audio Products for the PC by Lynx Studio Technology.

Lange Engineering: As a privately owned and fully independent company, Lange Engineering has been Established by Hans Andreas Lange, original founder of Delta Loudspeakers back in 1992 and designer of all it's product range until 2005; The company addresses a range of application needs for the continually evolving consumer and professional audio products marketplace. Across its comprehensive product portfolio Lange Engineering preserves its hallmark value proposition to deliver the best price-to-audio performance. The audio industry is truly an example of science in the service of audible artistry. We have come a long way towards our goal of perfection, and almost all of the consequential progress has been the result of improvements in our knowledge of physical principles, measurements, and our understanding of the psycho-acoustical rules that relate what we measure to what we hear. Developing ways to listen, scientifically, was a key part of this voyage. All through this company there is a central theme: the love of music, and its perfect reproduction. The product reveals its origins, and shouts the Company's values.

With its picturesque lake among breathtaking mountain peaks, the city of Lugano in Southern Switzerland is an unusual setting for a loudspeaker manufacturer. However, it is the home of Andreas Lange, founder of Delta Loudspeakers who, having spent the best part of a decade going about his business on a relatively local scale, is now taking his growing range of products to the European, American and Asia-Pacific markets. The loudspeaker market may be congested, but there is always demand for technological innovations, reliability and superb sonic qualities.
After providing hire speaker systems, such as Altec Lansing, for parties and events during his schooldays, Lange developed a passion for loudspeaker design. ‘It all really started when I bought a pair of Altec A7-8G theatre speakers and took them apart to see how they worked,’ he says. From here it was a small step to founding Delta Loudspeakers in 1992. ‘I had the confidence to build a long folded horn with a 15-inch woofer with lots of bass, which sounded OK and this gave me further impetus to take my passion further,’ he explains.

But Lange realised he couldn’t market a loudspeaker without the support of a specification sheet or any verifying data. ‘I saved up and invested in testing and measurement equipment, which is very expensive, but you need to accurately calibrate your equipment in large open spaces. I bought a Neutrik 3330 audio analyser and, in 1993, I developed the 9318, which for its day was ahead of its time’ ...