Edge III
The Edge III Enlarge sprite

The Edge III is a double locking tremolo system developed and produced by Ibanez which was introduced in 2005. The Edge III follows its predecessors the original Edge and Edge II.

As with most other double locking tremolos, it is based on a design pioneered by Floyd Rose. It has two knife edges which rest against posts. The strings lock into the saddles, which can be adjusted for intonation. The tension of the strings is counter-balanced by a set of springs in the rear cavity which attach to a claw which allows the tension to be adjusted. Using this design, the bridge itself floats. Since the bridge mounted in a cavity which is routed out of the top of the guitar, the design allows the player to pull up or push down on the vibrato bar to adjust the pitch up or down — with a non-floating design the bar (and pitch) can only be pushed down.

Like the Edge Pro II and Lo-TRS II tremolos before it, the Edge III is made for mid-level Ibanez guitars, especially those made outside of Japan.

The Edge III was partially phased out in 2011, being replaced by the Edge Zero II with ZPS3 tuning stabilizer on many models. It was eventually completely replaced by the Standard DL tremolo.

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