| Early constructions | ||
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| Stair fill 1992 Grundy warehouse (demolished) west London | ||
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| Clipped cone 1992 | ||
| Materials: wood | ||
| Built at: Grey court school, Richmond, Surrey UK | ||
| Weight: 1 kg | ||
| Dimensions: 300mm x 80mm x 80mm |
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| Our first sound system 1994 (Chris furling on top of stack) | ||
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| Another speaker stack (Chris Ivey on top of soeakers 1995 | ||
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| Close up of speaker stack | ||
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| Sound system built into floor 1996 Chelsea school of Art |