18th century
Thick-walled cup with a sweet and clear combination of fundamental and overtone. A good instrument for any kind of practice for both beginners and advanced level practitioners. The bowl is played smoothly by rubbing the rim with a wooden mallet.
Frequencies: 443-447Hz (A4 +3Hz). Monaural beats range
Delta.
1226-1232Hz (D#6-12Hz) Monaural beats range
Theta.
Other frequencies: 2282Hz, 3527Hz.
Includes complementary singing bowl cushion, striking/rubbing mallet R2.