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{{Short description|Vibrato system for electric guitars}}
{{no sources|date=July 2022}}
[[File:Stetsbar.stop-tail.close.jpg|thumb|Stetsbar with Vintage Arm mounted on [[Gibson ES137]]]]
The '''Stetsbar Tremolo system''' is a [[vibrato systems for guitar|vibrato bridge system]] for the [[electric guitar]]. Eric Stets developed the device in the late ‘80s, and patented it in 1995. He originally designed the device to provide a stable vibrato system that could retrofit to “stop-tail” (fixed tailpiece) guitars such as the [[Gibson Les Paul]] with no permanent modifications to the instrument. [[File:Stetsbar.ES137horizontal.jpg|thumb|Gibson ES137 with Stetsbar mounted]] The manufacturer now provides mounts to accommodate a variety of guitars.
== Principle of operation ==
[[File:Stetsbar.Tele.jpg|thumb|Stetsbar vibrato system mounted on a [[Fender Telecaster]] guitar]]
The Stetsbar is a floating vibrato system—the pull of the guitar strings is held in equilibrium at the scale length of the guitar by two heavy duty springs anchored to a spring retainer block on the unit's base plate.
When a player moves the [[vibrato bar]] up or down, the bridge operates with a linear motion in the same plane as the guitar strings. A [[Tune-O-Matic]] style bridge mounted on the bridge plate also holds the string anchor block. The bridge plate moves over a pair of [[Linear-motion bearing|linear roller bearings]] in the base plate. The claim is that the bridge and string anchors move as one eliminating friction over the bridge saddles. An advantage of surface mounting is that installation requires no additional holes or routs in the guitar. This makes installation simple and reversible, and means the device can be moved from one guitar to another.
The Pro II Stetsbar is further equipped with a 'floating lock' system. When engaged this keeps the unit in tune if a string breaks or the player double-stop bends a string. It also allows drop tuning on the fly, and still provides pitch-up movement.
== Available models ==
The Stetsbar comes in a number of variants, which differ only in base plate design. The manufacturer offers various finishes for the base plates and other parts to facilitate matching a guitar's existing hardware.[[File:Stetsbar.HardTail.jpg|thumb|Stetsbar tremolo/vibrato system mounted on an Ibanez guitar]]
Available models are:
* '''Stop Tail'''&nbsp;– for guitars with a fixed tailpiece/bridge assembly, such as [[Gibson Guitar]]'s Les Paul, [[Gibson SG]], and [[Gibson ES-335]] models. Installation uses the existing threaded stop tail bushings. The latest Pro II base plate replaces the rounded base plate with a rectangular design.
* '''T-Style'''&nbsp;– replaces a [[Fender Telecaster]] or similar guitar’s bridge assembly. This base plate accommodates remounting the guitars diagonal bridge pickups, and offers both three and four screw hole fitting points common on various Telecaster style guitars.
* '''S-Style'''&nbsp;– replaces a [[Fender Stratocaster]] or similar guitar’s tremolo. The Stetsbar's base plate clamps into the existing tremolo cavity.[[File:Stetsbar.Strat.jpg|thumb|Stetsbar tremolo/vibrato system mounted on a Fender Stratocaster guitar]]
* '''Hard Tail'''&nbsp;– mounts on guitars with a 5-hole [[Bridge (instrument)#Electric guitar bridges|hard tail]] mount point, such as certain [[Fender Stratocaster]]s and Squier Telecasters.
* '''OEM'''&nbsp;– mounts on guitars that incorporate the vibrato during initial construction. Its minimal base plate is almost completely hidden under the main bridge plate, and it can be counter-sunk into the top of the guitar.
Variations of these models contain various makes of piezo pickup saddle or [[graphite]] bridges.
Accessory items now include a Stetsbar 'Vintage' Arm and a Stetsbar Fine-Tuner device suitable for use with Stetsbars and other guitars with similar stop-tail configurations.
== Notable users ==
Professional Stetsbar users include [[Jan Akkerman]], [[Snowy White]], [[Randy Bachman]], [[Elliott Randall]], Mike Chain, [[Reeves Gabrels]], Hershel Yatovitz, [[Cask J. Thomson]], John Bohlinger, and Dave Gutter of [[Rustic Overtones]] and [[Paranoid Social Club]].
== External links ==
* [http://www.stetsbar.com Stetsbar official site]
[[Category:Guitar bridges]]