JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 58

ne complaint about composites in musical instruments is that the sound quality is not as good. Perhaps this was the case when composites started appearing in the sector, but today these problems have by and large been solved. The advantages of lowering costs and production cycles as well as making the instruments more durable has outweighed many of the earlier concerns. O Spinning with carbon fibre USERS’ PLATFORM Applications Carbon fibre brings better sound quality When one thinks of the potential markets for composites, the music sector is frequently overlooked. Little by little they are appearing in various instruments and sometimes even on music players, such as Pro-Ject Audio Systems’ RPM5 turntable. Perhaps the RPM5’s most interesting feature is an adjustable carbon fibre armtube. Thanks to the material’s high strength and low weight, it has high internal damping which greatly reduces vibration. This is a significant advantage over the traditionally used aluminium which can shake quite easily and cause records to skip. One musical application that has certainly not seen a decrease in the quality of sound has been Pro-Ject Audio Systems’ RPM5 turntable. Pro-Ject’s general manager Heinz Lichtenegger pointed out that he came from a poor family and wanted to create an affordable, yet high-quality product. He has succeeded in multiple ways. Not only was the RPM5 named turntable of the year by What HiFi magazine, its price range is also a reasonable 499 - 599 per unit. Pro-Ject’s RPM5 is distributed in over 50 countries. JEC Composites Magazine / No33 June 2007 Pro-Ject’s turntables are made in its factory in the Czech Republic. All of its products are made in house, but the carbon fibre was supplied by a Czech producer. Some of the turntable’s arms use a carbon/metal sandwich, and higher grade tables use solely carbon. Another composite application is its acoustically inert medium density fibreboard (MDF) platter with a cork mat and record clamp. MDF is composite of wood fibres and resins that is frequently used to replace wood. Laurence Armstrong, a UK retailer of the turntable who works for Henley Designs, said that so far sales had been very strong and in the 1,000s. He said this was because the product: “gives value for money and sound quality that was previously unavailable at the price. It also looks cool.” Other musical areas benefiting Project Audio Systems Pro-Ject Audio Systems is currently one of the world's leading suppliers of record players, with a range of models designed to satisfy all levels of expectation and budget. Based in Vienna, Austria, the company’s primary manufacturing facility is in Litovel, Czech Republic. Focus guitars. The same can be said for the body of violins and other string instruments such as the cello and viola. These instruments have also seen the occasional use of fibreglass to make artificial bow hair. While it is admitted that they are not as good as real horse hair, composite bows cost less and last longer, making them a decent option for beginners. Yet interestingly, one of the most prevalent instrument families to see composite use has been woodwinds. After the Second World War, the scarcity of French cane caused reedmakers to use artificial materials. Eventually a composite material called Fibercane, made from Dacron polyester and epoxy resin, came out on the market. The concept has been further developed and today a composite called Fibracell, made with Kevlar fibres, is capable of absorbing moisture almost exactly the same way that cane does. More information: www.project-audio.com The sector is hardly limited to turntables. Carbon fibre and Kevlar have become widely used for soundboard material for
http://www.project-audio.com

JEC COMPOSITES MAGAZINE - Issue #33 - June 2007

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #33 - June 2007

Editorial
Market Place
Advertisers & Index
Contents
NEWS WORLDWIDE
- Companies
- Agenda of events
- Innovations
BUSINESS
- Market survey
- Trends
- Niche markets
- Human capital
FEATURE - CONSTRUCTION
- Process
- Equipment
- Application
USERS’ PLATFORM
- Composites in the world
- Applications
KNOW-HOW
- Stretch-broken fibres
- Metal matrix
- Durability
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 1
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 2
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - Editorial
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - Market Place
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - Advertisers & Index
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - Contents
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 7
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - - Companies
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 9
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 10
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 11
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - - Agenda of events
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 13
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - - Innovations
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 15
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 16
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 17
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 18
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 19
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JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 21
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 22
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - BUSINESS
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - - Market survey
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 25
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 26
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - - Trends
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 28
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - - Niche markets
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - - Human capital
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - FEATURE - CONSTRUCTION
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - - Process
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 33
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - - Equipment
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 35
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 36
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - - Application
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 38
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 39
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 40
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 41
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JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 43
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 44
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 45
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 46
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 47
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 48
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 49
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 50
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 51
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 52
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 53
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 54
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - USERS’ PLATFORM
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - - Composites in the world
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 57
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - - Applications
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 59
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 60
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 61
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 62
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - KNOW-HOW
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - - Stretch-broken fibres
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 65
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 66
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - - Metal matrix
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 68
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 69
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 70
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - - Durability
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 72
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 73
JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 74
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JEC COMPOSITES MAGAZINE - Issue #33 - June 2007 - 76
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