1. Take your planks of wood and cut two pieces 250mm long from the hard wood and one from the lighter colored one. The reason for the hardwood is s...

2. To increase the sound output I decided to add two horn shaped pieces to the front. The tapered shape of the horn allows the sound waves to gradu...

3. Attaching one of them to the lathe, take your flat chissel and work from the hole outward making a horn shapped center. once you're happy with t...

4. Print off the patterns and glue them to your slection of wood. Pattern 1 is for the front, pattern 2 is for the center piece and pattern 3 is fo...

5. Now depending on what kind of phone you have you are going to need to do adjust sizing accordingly. The phone I modeled it for was a Galaxy A10....

6. Now glue them all together. Take the front and back piece and add glue to the insides of both. Then take the center piece and create a sandwich....

7. Once the glue has dried you can then tidy it up and make it smooth. I found a belt sander made short work of evening out the edges. After that I...

8. I used a clear coat polyurethane to add protection and make the natural color of the wood really pop. You could also use an oil but I that will...

9. Now for the most important part! Watch the video and listen to the difference.

10. Now to enjoy and use what you have just created!At the end of the day this is a classy little project and a great little amplifier.Bye for now,...