Ernie Ball Music Man JP12 7 John Petrucci Signature 7-String Electric Guitar (SN:F29438)


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You are looking at an Ernie Ball Music Man JP12 John Petrucci Signature 7-String Electric Guitar, serial number G57359. This is the actual guitar you will receive should you decide to purchase. (8 lbs, .6 oz.)

A fitting weapon for the legend himself, John Petrucci, the Ernie Ball Music Man JP12 7-String offers up Petrucci-approved tone, a killer style and unparalleled playability. The basswood body of the JP12 sports a maple top and a mahogany Tone Block and features a smoothly contoured belly and forearm for enhanced player comfort while a sculpted neck joint allows for easy accessibility to those higher frets. The exceptional tone of the JP12 7-String is matched by the stunning Cherry Sugar finish. The select mahogany neck is carved into a comfortable profile, measuring 1-11/16” at the nut and 2-1/4” at the last fret, and is finished in a high gloss polyester Cherry Sugar finish to match the body. The ebony fingerboard features Custom JP12 inlays, and is topped off with 24 medium jumbo frets that allow for effortless string bending and high velocity shredding.

The Music Man John Petrucci JP12 7-String comes fully loaded with the perfectly matched pair of DiMarzio pickups for an expansive array of tonal possibilities. The DiMarzio LiquiFire neck pickup and Crunch Lab bridge pickup can be heard throughout Dream Theater's "Black Clouds and Silver Linings" album, and according to John, these pickups produce the best studio and live sound he's ever had. The LiquiFire pickup delivers smooth, warm trebles with a brighter and tighter low-end for fluent, singing solo tone when used in conjunction with an amp that's heavily overdriven and a clear chord sound with a clean amp setting. The Crunch Lab will dish out a big, tight crunch that's neither thin nor muddy. The onboard piezo can instantly take the JP12 from scorching hot to a beautiful, open acoustic sound. The JP12 7-String employs dual 3-way switches: one 3-way toggle that enables you to switch between or combine the magnetic and piezo pickups and another 3-way toggle to switch between or combine the magnetic pickups. Rounding out the electronics are mix, treble and bass controls for the piezo pickup (on the back of the guitar), two volume controls (one for the magnetic pickup, another for the piezo), a single tone control for the magnetic pickup and dual output jacks (magnetic/stereo output and piezo/mono output).

The headstock of the JP12 7-String is finished in Cherry Sugar to match the body and comes equipped with a set of high-quality Schaller M6-IND locking tuners with pearl buttons. On the other end of the JP12 7-String lays a chrome plated, Custom John Petrucci piezo floating tremolo with solid steel saddles for impeccable tuning stability. The Ernie Ball Music Man JP12 John Petrucci 7-String Electric Guitar comes with the full protection of a hardshell case.


  • Body: Basswood with Maple Top and Mahogany Tone Block
  • Finish: High Gloss Polyester Cherry Sugar
  • Neck: Select Mahogany
  • Neck Finish: High Gloss Polyester Cherry Sugar
  • Neck Width:  1-7/8” at Nut, 2-7/16” at Last Fret
  • Neck Radius: 20”
  • Neck Attachment: 5 Bolts – Perfect Alignment with no Shifting, Sculpted Neck Joint
  • Truss Rod: Adjustable – No Component or String Removal
  • Scale Length: 25 1/2”
  • Fingerboard: Ebony
  • Frets: 24 Medium Jumbo, Stainless Steel
  • Fingerboard Inlays: Custom JP12
  • Pickups: HH – DiMarzio LiquiFire Neck Pickup, DiMarzio Crunch Lab Bridge
  • Switching: Two 3-Way Toggle Selectors (Pickup Selector/Mode Selector)
  • Bridge: Custom John Petrucci Piezo Floating Tremolo with Solid Steel Saddles
  • Electronics/Controls: Single Tone Control (For Magnetic Pickups) Two Volume Controls (1 Magnetic/1 Piezo) Two Output Jacks (1 Magnetic/1 Piezo); Mix/Treble/Bass Controls for Piezo (On Back of Instrument)
  • Tuning Machines: Schaller M6-IND Locking Tuners with Pearl Buttons
  • Strings: Ernie Ball RPS 9 Slinkys #2239 (9-42 with Additional 52)
  • Includes Hardshell Case

Get your Ernie Ball Music Man JP12 John Petrucci 7-String Electric Guitar (Serial#: F29438) today at the guaranteed lowest price from Sam Ash Direct with our 45-day return and 60-day price protection policy.

Things You Will Get:

    7-String Electric Guitar
    Hardshell Case
Series JP
Weight 8 lbs, .6 oz.
Model JP12 John Petrucci 7-String with Piezo


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