This is a smartphone speaker made with a focus on sound quality.
Holes are drilled in the solid walnut wood to create a sound path and amplify the sound emitted from the phone.

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The sound path gradually increases in diameter from 15mm to 20mm to 25mm, amplifying the sound efficiently.

At the bends of the sound path, reflectors made of Ipe wood, also known as "ironwood", which is very hard, are installed.

High frequencies are directed to the right side of the sound path by the second reflector.
The right side sound path is shorter and amplifies the highs.

The mid-bass sound goes through the gap around the second reflector to the left side sound path.
The left side sound path is longer and amplifies the mid-bass.

The last reflector has a large diameter and directs the sound to the front.
The final reflector is visible from the side and is a key point in the design.
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https://www.creema.jp/c/7chome_seisak...

#woodworking#DIY#Howtomake#wooden#walnut#AcousticAmplifier#PhoneStand#PassiveSpeaker