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JS1 IR 1991
JS1 Inferno Red (1991) (more images) Red copyright sprite

The JS1 is a JS series guitar model introduced by Ibanez in 1990. It was the first signature model produced for American guitarist Joe Satriani.

The JS1 was based on the Radius series with some minor modifications to the body shape. It features an American basswood body with bolted to a maple neck with a 22-fret rosewood fingerboard with pearl dot position markers. Components include DiMarzio pickups, a double locking tremolo bridge and Gotoh tuning machines. The controls consist of a master volume pot with a push-pull high pass filter, a master tone with a push-pull which splits both humbuckers and a pickup selector.

Significant changes were introduced in 1992: a middle single coil pickup was added along with a 5-way lever pickup selector replacing the 3-way toggle, the new Lo-Pro Edge tremolo replaced the original Edge trem and a matching headstock was added. These models late-model JS1's are the only JS models introduced to date (as of 2017) with a middle pickup.

The JS1 was replaced by the JS1000 for 1994.

Specifications

Specifications for JS1
Model name: JS1
Year(s) produced: 1990–1993
Sold in: Worldwide
Made in: Japan
Finish(es): BK (Black) / IR (Inferno Red) 1991–1992 / WH (White)
Body
Body type:
Solid body
Body material:
American basswood
Neck joint:
Tilt Joint
Bridge:
1990–1991: Edge tremolo
1992–1993: Lo-Pro Edge tremolo
Hardware color:
Chrome
Neck
Neck type:
JS
Neck material:
1-piece maple
Scale length:
648mm/ 25½″
Fingerboard material:
Rosewood
Fingerboard inlays:
Pearl dot
Frets:
22 / 6105
Nut:
Top-Lok III
Machine heads:
Gotoh SG38
Electronics
Pickup configuration:
1990-1991: HH
1992–1993: HSH
Bridge pickup:
DiMarzio FRED (H)
Middle pickup:
DiMarzio HS2 (S) 1992–1993 only
Neck pickup:
DiMarzio PAF Pro (H)
Controls:
Master volume (w/ push-pull high-pass filter) / Master tone (w/ push-pull coil split)
1990-1991: 3-way toggle
1992-1993: 5-way lever

Images

Gallery
JS1 BK 1993
JS1 Black (1993)
JS1 WH 1993
JS1 White (1993)

Sources

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