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[INFO] Speaker Materials
Mau kasi info tentang beberapa bahan yang sering digunakan untuk speaker, semoga bisa turut membantu teman2 sekalian....
Mohon maaf masi dalam bahasa inggris, abis males terjemahinnya, puanjang.............. :smt003 :smt003
Polypropylene coated with a thin layer of aluminum. The combination creates a stiff, lightweight material used in woofer cones.
A synthetic fiber with excellent strength-to-weight properties. It can be woven into a fabric, or blended into polypropylene to produce lightweight, weather-resistant woofer cones that have the natural sound characteristics found in high-quality paper cones.
A rubber/butylene compound with excellent flexibility and durability. Used for speaker surrounds.
Cast metals have a greater resistance to resonance than stamped metals when used in speaker baskets. Cast aluminum combines light weight with rigidity and strength.
C.M.M.D. (Ceramic Metal Matrix Diaphragm)
First developed by Infinity for their home speakers, C.M.M.D. is a layered composite of thin ceramics and metal. This material is non-resonant, stiff and quite strong. It is notable for producing uncolored sound with excellent dispersion. C.M.M.D. is used for woofers, midranges and tweeters.
Ferro fluids are used to dissipate heat that builds up in speaker voice coils. Ferro fluids are magnetic, so they do not require physical containment – the fluid is held in place by the magnetic field of the speaker's magnet.
When polypropylene is injected as a foam into a speaker mold, the resulting material retains air bubbles that make it lighter without giving up strength.
A blend of glass fibers and plastics with excellent heat resistance. Used in constructing voice coil formers.
A composite material of polypropylene and graphite that is stiffer and stronger than regular polypropylene film.
HCL (HoneyComb-Laminate) is a laminate that combines layers of woven glass fiber with an inner core of Nomex honeycomb. The result is a very strong material, excellent for speakers that need to handle high power.
H.O.P. (Highly Oriented Polyolefine)
The molecules in Highly Oriented Polyolefine are arranged in linear strands, giving this material more inherent strength and rigidity than most other polymer films. H.O.P. is used by Sony for woofer cones.
IMPP (injection-molded polypropylene)
IMPP consists of polypropylene that is injected into a mold when forming the speaker cone. The speaker cone retains more stiffness, and is less colored by resonation, than cast polypropylene cones.
To increase the strength and stiffness of IMPP, other materials are added to form IMPP composites. These materials are usually minerals like mica or carbon.
A polyethylene film that features excellent stiffness, shape retention, and durability. Tweeters made with this material produce natural, uncolored highs.
Kapton voice coil
Kapton is a polymer that is often used in applications where high-temperature capabilities are important. It's well-suited for use in voice coil formers.
This is a multi-layered material made of polyester fibers. This soft material has a natural, warm sound, much like silk.
Mylar, developed in the 1950s, is one of the granddaddies of polyester films. Mylar is usually used in small speakers such as tweeters or midranges. It's unaffected by humidity and is fairly inexpensive. Also known as PET.
Neodymium is one of several rare earth metals used in creating small, high strength magnets. Neodymium magnets are usually used in tweeters.
A woven glass-fiber material. Neoglass is used in tweeters that need high-power handling capabilities.
PBO (polybenzoxozole) is a polymer that can be extruded into fibers and woven into a tough material. This fiber is used to build woofer cones.
Polycarbonates are blends of polyester films and carbon. Pearl polycarbon is a very lightweight yet rigid material that works well in tweeters. Pearl refers to the bead-like microscopic structure of the polymer.
Micas are a group of minerals composed of various amounts of aluminum, potassium, and other metals. Pearl mica has a distinctive lustrous, pearl-like color. When injected into polypropylene, it yields a material that is dense yet sensitive – ideal for woofer cones.
A generic name for mylar.
A polymer film material used in tweeters. Very similar in performance to mylar.
A blend of polyester films and carbon resulting in a hard, non-resonant material used mainly in bright-sounding tweeters, and occasionally in constructing the speaker basket. Polycarbonates can be produced in a variety of colors, including transparent, for a distinctive look.
Foam material with polyester fibers blended in for extra strength and durability. This is used for speaker surrounds.
Polyetherimide, also known as PEI, Polyethermide, or Polyimide, is a very common polymer that is used for a variety of products. Its light weight, shape-retaining properties, and high temperature handling make it a good, reasonably-priced choice for tweeter material.
A polymer film, such as polypropylene, made stronger by the addition of the mineral mica.
A very popular material for car speakers, polypropylene is fairly rigid, with good internal damping, and complete weather-resistance.
See "Pearl polycarbon."
A polymer film that is chemically the same as "Aramid," but produced as a film, rather than as a fiber. It has the same excellent strength-to-weight characteristics as Aramid, and is usually used in tweeters and midranges.
Pulp (paper) woofers are inexpensive, and when properly engineered can provide great sound. However, they're rarely used in car speakers because of susceptibility to moisture.
A Pioneer brand name for a filler material that is added to IMPP for increased rigidity.
They don't say "smooth as silk" for nothing! Silk is a highly-regarded material for tweeters because of the smooth, open, and airy sound it produces. For best performance, it must be properly treated and coated. High-quality silk can be somewhat expensive.
Silk is blended with polymer materials to create a strong, rugged composite used in tweeters.
Used as a thin coating over polymer materials like PET, silver film provides a brighter sound that the polymer alone. This material is used in tweeters.
A rare earth metal which is used in creating small, high strength magnets. A small, strong magnet is very useful in building an effective tweeter.
Titanium is quite strong, heat resistant, and light. Usually used in tweeters, although sometimes layered onto polypropylene for woofers. Characteristically "bright" sounding in tweeters.
Coating polypropylene with titanium provides extra strength and stiffness to woofer cones.
Another name for a variety of cloth fabrics used for speaker construction. The intent is to replicate the smooth, open sound of silk tweeters.
A polypropylene base with nickel bonded to the top layer. This results in a light but strong cone material for woofer construction.
UFLC is the abbreviation for "polyUrethane Film Laminated Cloth." This material is used in soft dome tweeters because of it's light weight, ability to keep it's shape, and smooth natural sound characteristics.
Urethane is a plastic compound with flexibility and weather resistance comparable to natural rubber. This compound is used for making speaker surrounds.
A woven fabric made from strands of polypropylene. This woven material creates cones that are stiffer than typical polypropylene film cones.
THANKS TO : WeHa
FOR THE LINK..... :smt003 :smt003
hehehe, sama2 boz. senang sama2 membantu
24th August 2006, 00:30
ID Ini Dicurigai Melakukan Penipuan.
wow panjang amet top2 d sticky keren2 wkakak
15th December 2006, 10:30
Utk tambahan info juga bisa lihat ke sini :
Appendix B - Materials Technology
Kalo buat SQ pake bahan apa yg bagus?
kliatannya yg pake bahan paper cone deh...
bos kalo ,mp9 signature midnya bahanya apa t bos????kyk aluminium foil gitu bos
wah kurang tehek tu bos...
blon pna liat...speaker maal & langka tu...haha
pna liat di gambar doank...
coba cari info di internet aja...
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