What are loudspeakers made of?
Loudspeakers take 12 things directly, among them copper wire, adhesive, steel, epoxy, paper and polypropylene. Trace them back and you pass 51 made things on the way to 19 raw materials.
How loudspeakers are made See it on the map
What goes straight in
- Copper wireat Wind the voice coil
- Adhesiveat Wind the voice coil
- Steelat Stamp the metal parts
- Epoxyat E-coat the metal
- Paperat Form the cone
- Polypropyleneat Form the cone
- Neodymium magnetat Assemble the motor
- Ferriteat Assemble the motor
- Vulcanized rubberat Join cone and suspension
- MDFat Build the cabinet
- Plywoodat Build the cabinet
- Screwat Wire the crossover
From the ground: 19 raw materials
- Water through paper
- Kaolin through paper
- Limestone through paper
- Rare earth ore through neodymium magnet
- Iron ore through ferrite
- Manganese ore through ferrite
- Natural rubber latex through vulcanized rubber
- Sulfur through vulcanized rubber
- Timber through plywood
- Copper ore through copper wire, copper
- Air through copper wire, copper
- Crude oil through MDF, paraffin wax
- Dolomite through steel, magnesium
- Natural gas through steel, manganese
- Rock salt through epoxy, caustic soda
- Nickel ore through neodymium magnet, nickel
- Zinc ore through screw, zinc
- Coal through steel, manganese, coke
- Quartz through steel, magnesium, metallurgical silicon
Made along the way: 39 things
Metals 9
Chemicals and fuels 24
Paraffin waxOxygen gasQuicklimeArgonPhenolPropyleneAcetoneChlorineCaustic sodaZinc oxideCarbon blackSulfuric acidEthyleneAmmoniaMethanolNitric acidHydrogenPropaneBenzeneNaphthaHydrogen peroxideStyreneCharcoalToluene