Appendix D: Hardware

Buying hardware from us

Getting all of the hardware on your own can be tricky. That's why we sell kits with everything you need to build a set of Ploopy Headphones. Here's why that's great for you:

• Everything is guaranteed to fit together perfectly
• Everything is guaranteed to work as intended
• You'll end up saving money - probably quite a bit of money - by not spending on extra parts

Your call. You'll sort it out.

Getting your own hardware

Here's a complete list of all the hardware you'll need:

• 28 Small Screws
• 12 Big Screws
• 8 Metal Dowels
• Woven Stockinette
• 3/4" Foam
• 1/8" Foam
• 12 Magnets
• Felt

Let's get cracking.

Small Screws

Details:

• #2
• 3/8" length

Big Screws

Details:

• #4
• 3/8" length

Metal Dowels

Details:

• M3
• 12mm length

Woven Stockinette

Details:

• At least 10.75" of 2"-circumference stockinette
• At least 9" of 3"-circumference stockinette
• Cotton

3/4" Foam

Details:

• 3/4" thick
• Lowest possible pressure to compress you can get (a PSI of 1.5 to compress 25% or better is recommended)
• Polyurethane or similar material (different materials may result in different acoustic properties)

1/8" Foam

Details:

• 1/8" thick
• Polyurethane or similar material (different materials will result in different acoustic properties)

Magnets

Details:

• 30mm length
• 5mm width
• 5mm height
• Strongest possible magnet you can get

Felt

Details:

• 3/64" maximum thickness