page date 2/7/07
SP10 mk II plinth concept #4
Design: Influence is from the Shindo Garrard 301 plinth.
Specific gravity for Baltic Birch ply: .026 lb cu-in.
 | weight calculation: plinth plus armboard will weigh 23.25 lbs |
| with turntable mounted: 44 lbs (without tonearm or fasteners or feet) |
Construction:
| Stacked, pressed and glued layers of Baltic Birch ply |
| 8 layers @ 1/2 inch thick = 4 inches high. |
| veneer shown is cocobolo |
| Armboard is 2 stacked layers of Birch ply and one top layer of CF plate |
materials and costs:
| 1/2 x 24 x 30 inch Baltic birch @ 9.99 x 8=$79.92 before tax and shipping |
| Veneer is $158 for one 4' x 8' sheet before tax and shipping |
| carbon fiber plate for the armboard is 12 x 12 x 1/8 inch @ $84.43 |
| 3 BDR mk3 cone feet@ $59.99 |
| 3 1/4-20 brass press-fit inserts for the cone feet = $3.00 |
| 4 stainless steel oval head wood screws: $1.00 |
| brass M5 threaded rod= $5.00 |
| 4 brass M5 hex nuts= $1.00 |
| various materials shipping and handling delivery charges: $40 est. |
| total: 432.34 |
