合夥人是做鑽石擴大機的傑夫 請看官網新聞： www.diamondamplification.com Jeff Diamant partners with Dean Zelinsky! Announcing DBZ Guitars. Jeff Diamant partners with Dean Zelinsky, founder and namesake of Dean Guitars (and now formerly of Dean Guitars, and together they announce DBZ Guitars. While offering high quality guitars at all price points, DBZ will focus on high-end, high quality guitars giving the guitar industry "a much needed shot in the arm."