Patent ID: 7556567

Claim:
A golf club head comprising: a means for modifying the sound characteristics of the golf club head, the modifying means comprising a metal conical piece having a height in the range of 0.25 inch to 1.00 inch and a width in the range of 0.25 inch to 1.50 inch, the metal conical piece having a greater radius of approximately 1.250 inches and a less radius of approximately 0.50 inch, the metal conical piece positioned within a hollow interior of the golf club head and attached to a sole of the golf club head, wherein the golf club head has a pitch ranging from 3500 Hertz to 4500 Hertz and a sound duration ranging from 4 to 8 milliseconds when striking a golf ball at a swing speed of approximately 100 miles per hour; wherein the golf club head has a volume ranging from 350 cubic centimeters to 510 cubic centimeters and a coefficient of restitution of 0.80 to 0.94.