In 1983, Tama offered its "X-Tras Series" power size drums.  As described by Tama:

"Extra-Depth,  Extra-Power, Extra-Performance...That's what you'll ger with TAMA X-TRAS, the most powerful oversized Tom Toms and Bass Drums."

SUPERSTAR X-TRAS - Individual Drums:

Bass Drums:

• #9922CS - 16" x 22"
• #9924CS - 16" x 24"

Floor Toms (Regular Sizes):

• #9834CS - 14" x 14"
• #9836CS - 16" x 16"
• #9838CS - 16" x 18"
• #9840CS - 18" x 20"

Tom Toms:

• #9908CS - 9" x 8"
• #9910CS - 9" x 10"
• #9912CS - 11" x 12"
• #9913CS - 12" x 13"
• #9914CS - 13" x 14"
• #9915CS - 14" x 15"