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invar

projects & ideas

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  • About
  • Project pages
    • Arts & crafts
      • Candle making
      • Uncategorised ideas
    • Audio stuff
      • Old speaker projects
      • Pipe speaker
      • Uncategorised ideas
    • Composites
      • Fibre composites
      • Uncategorised ideas
    • Electronics
      • Quieting LED dimmers
      • Uncategorised ideas
    • Furniture & room furnishings
      • Headboard
      • Plant shelves & planters
      • Ventilation & air quality
      • Uncategorised ideas
    • Household chemistry
      • Conditioner
      • Deodorant
      • Distillation
      • Fabric dyeing
      • Laundry detergent
      • Personal lubricant
      • Shampoo
      • Toothpaste tablets
      • Wool wash
      • Uncategorised ideas
    • Houseplants & hydroponics
      • 2007 Aquaponics system
      • Fertiliser
      • Leca pole
      • Terrarium
      • Uncategorised ideas
    • Transportation
      • Recumbent trike
      • Uncategorised ideas
    • Other projects
      • PC & software stuff
      • VKS-75 orbital shaker levelling feet
      • Uncategorised ideas
  • Recipes
  • Words

Audio stuff

Speakers, headphones, bass guitar effects pedals etc.

Page list

  • Old speaker projects
  • Pipe speaker
  • Uncategorised ideas

Recent posts

  • ATtiny85 as mode memory for switching light bulbs
  • Mildly insecticidal spray #2
  • Automatic power off circuit for active speaker
  • Pipe woofer continued
  • “Subwoofer” conversion of bass practice amp

Pages

  • About
  • Project pages
    • Arts & crafts
      • Candle making
      • Uncategorised ideas
    • Audio stuff
      • Old speaker projects
      • Pipe speaker
      • Uncategorised ideas
    • Composites
      • Fibre composites
      • Uncategorised ideas
    • Electronics
      • Quieting LED dimmers
      • Uncategorised ideas
    • Furniture & room furnishings
      • Headboard
      • Plant shelves & planters
      • Ventilation & air quality
      • Uncategorised ideas
    • Household chemistry
      • Conditioner
      • Deodorant
      • Distillation
      • Fabric dyeing
      • Laundry detergent
      • Personal lubricant
      • Shampoo
      • Toothpaste tablets
      • Wool wash
      • Uncategorised ideas
    • Houseplants & hydroponics
      • 2007 Aquaponics system
      • Fertiliser
      • Leca pole
      • Terrarium
      • Uncategorised ideas
    • Transportation
      • Recumbent trike
      • Uncategorised ideas
    • Other projects
      • PC & software stuff
      • VKS-75 orbital shaker levelling feet
      • Uncategorised ideas
  • Recipes
  • Words

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