CP-1 HIGH-END ac. guitar pickup is handmade with painstainkinly attention to detail, each dated, signed and ser.# numbered, recognized by the superstars of guitar-celebrity like Stradivari's instruments. Next to "Carlos" the models incl. "Eric" and "Vicente", named in honour to Eric Clapton and Vicente Amigo, both owners of same, next to George Benson, Pat Metheny, Roger Hodgson, Paulo Bellinati and many more. The "Carlos" engraved CP-1 system was installed in Eric Clapton's Black Beauty Martin guitar, named EC & HF (Eric Clapton & Hiroshi Fujiwara) in Stuttgart on March 30th 2004, commissioned by Lee Dickson, Eric's guitar tech. The "Eric" engraved CP-1 system was shortly after installed in Eric Clapton's 00028-EC guitar in April 2004.