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The Edge Pro tremolo is a double locking tremolo bridge developed and manufactured by Gotoh for Ibanez. It was introduced in 2003 as an evolutionary redesign of the original Edge and Lo-Pro Edge, which it replaced on all high-end models including the Japanese-made Prestige line and most Signature models. The design is based on the venerable Floyd Rose tremolo.

Design

While the Edge Pro shares nothing with it predecessors in terms of parts except the push-in tremolo arm and socket, it lives up to the same high quality standards. Notable changes from the previous designs include a novel set of saddles with integrated string locks which can be used without removing the ball end of the string. These sliding string locks eliminated the possibility of the string retention blocks falling out and being lost during string changes, which is a common annoyance with the earlier Edge tremolos. The saddles of the Edge Pro are topped with a metal "sound chip" designed to improve the sustain sometimes said to be lacking from guitars with double locking systems.

Like its predecessor, the Edge Pro was mounted in a tremolo cavity, giving the player the ability to manipulate the tremolo by either pulling up or pushing down. The overall height of the tremolo in the cavity can be adjusted by moving the studs up or down. The most frequently heard criticism of the Edge Pro is that it lacked the locking bridge studs used by its predecessors. Some users feel this omission hampers the tuning stability of the bridge under heavy use. This deficiency could be remedied by retrofitting locking studs.[1]

The saddles of the Edge Pro are not independently adjustable for height. The tremolo base is radiused to match a 400–430mm (16–17") fretboard radius. A version of the Edge Pro with a base made to match the 250mm (9⅞") radius of the Joe Satriani series guitars was also produced.

Variations

The Edge Pro was offered in several finishes: chrome, cosmo black, gold, powder cosmo, vintage silver and violet chrome. A left-handed version was offered in cosmo black, gold and powder cosmo. The JS variant was available in either chrome or black for right-handed guitars and in chrome for lefties.

The Edge Pro 7 was a version of the Edge Pro produced for seven string guitars. Aside from the wider body and extra saddle it is identical to the six string version. The Edge Pro 7 was offered with chrome, cosmo black and powder cosmo finishes. From 2007, a seven string version with dual arm sockets to accommodate the U-bar of the APEX1 signature model of James "Munky" Shaffer was offered in powder cosmo.

Similar tremolos

The Edge Pro II was introduced along with the Edge Pro and was equipped on mid-tier guitars, particularly those produced outside Japan. It is visually similar to the Edge Pro, but lacks the sound chip in the saddles and is constructed of a different metal alloy. The Zero Resistance or ZR tremolo was also introduced in 2003; it features a unique ball bearing pivot design.

The Edge Pro was discontinued after 2009. It was replaced by the Edge Zero which had been introduced in 2008 as well as the original Edge and Lo-Pro Edge trems, which were reintroduced for 2010.

Edge Pro tremolo manual

Edge Pro adjustments (from 2008 Prestige Manual)
EdgePro manual p1
page 1
EdgePro manual p2
page 2
EdgePro manual p3
page 3

Sources

  1. Edge Pro locking stud mod, Ibanez Rules (dealer website), archived from the original May 2018