Hi,
Could somebody give me some informations about the John Petrucci DiMarzio Pickups (Specifications like Output level, Bass, medium, trebble levels,....) ?
Are they closed to other DiMarzio pickups ? What are the differences ?
What is the reference of the piezo which is used in the EBMMJPM ?

Could somebody give me some informations about the John Petrucci DiMarzio Pickups (Specifications like Output level, Bass, medium, trebble levels,....) ?
Are they closed to other DiMarzio pickups ? What are the differences ?
What is the reference of the piezo which is used in the EBMMJPM ?