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The Mono-rail V is a fixed bridge used on certain Ibanez electric bass models. It is also referred to as the Mono-rail 5, the MR5, or the MR-5. It replaced the Mono-rail IV.

As its name implies the Mono-rail V bridge anchors only a single string as opposed to most bridges used on basses which anchor all four (or more) of the strings. This allows each individual bridge to be mounted at the ideal location to provide perfect intonation. Because of the flexibility this design affords it is used on multi scale basses with fanned frets, although it is also used on many guitars with traditional straight frets.

The design allows for equalized tension across all strings while isolating each string so that it vibrates optimally without impacting any others. The saddle can be moved fore and aft to adjust intonation. Intonation is set by adjusting the position of the saddle using the longitudinal positioned Philips screw at the rear of the bridge. Once adjusted the saddle is locked down with a hex screw near the front of the saddle to prevent any further movement and assure string vibration is transferred to the body of the instrument.[1]

The Mono-rail V bridge was introduced for 2015 on the Soundgear Prestige SR5000, SR5005, and SR5006. It has been used on several models in the Soundgear and BTB series.

The Mono-rail Vp is a version which includes a piezo pickup.

The Mono-rail V was superseded by the Mono-rail Vs, which was introduced for 2019. The new model introduces the ability for side-to-side adjustment. The Mono-Rail V continues to be used on some models as of 2023.

Images[]

Additional details
Mono-rail-V gold SR5000
Mono-rail V bridges mounted on an SR5000
MR5 adjustment
Mono-rail V adjustment
MR5-MR5S string-change
Mono-rail V string change process

Manual[]

Sources[]

  1. SR5006 product page, Ibanez USA, archived February 2015
  2. Soundgear bridge manual, Ibanez USA, archived September 2020
Related content: Bridges | Parts-icon
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