Step 5, manually tune again - keep the pitch steady. Step 3,Manual tuning - there is no manual tuning by machine. I'm a 9-tone disc. Step 7, after gluing again manually tune. The first step is made of DC04 steel plate by hand.
|Features||sound more stable, KEEP the pitch steady|
|Item Diameter||DO NOT KNOW|
|Type||Steel Tongue Drum|