The ILT1 is a guitar tremolo bridge produced for Ibanez by Japanese firm Takeuchi. It is based on a design licensed from Floyd Rose.
The ILT1 has saddles into which the strings are locked at the bridge. When paired with a locking nut it forms a double locking tremolo system. It is essentially a version of the earlier Lo-TRS II with the exception of that tremolo's low-profile design.
The base of the ILT1 is formed into two curved knife edges on either side which rest against posts secured to the guitar body forming a pivot. The posts of the ILT1 are connected with a metal plate for additional stability. Underneath a cast block bolted to the base secures a variable number of springs (typically three or four) the opposite end of which are connected to a claw. The claw can be adjusted in the rear cavity so that the tension of the springs is balanced by the tension of the guitar's strings. This balancing act allows the tremolo to float above the cavity routed into the guitar's top.
The ILT1 has six independent saddles. After removing the ball ends, the strings are inserted into the saddle and secured with a clamp. Each saddle can be independently moved forward and back to set intonation of each string. The height of the entire bridge can be adjusted by raising or lowering the studs. There is no allowance to adjust the height of the saddles individually, but this can be accomplished, if necessary, by inserting shims under the saddle. The base and saddles are built to match a 400mm fretboard radius.
Parts and variations
The ILT1 arm (part # 2CL2-1B) is attached by means of a threaded socket. This socket allows a tension adjustment so that the arm can swing freely or lock in one position. The Lo-TRS II shares this same arm.
Versions of the ILT1 for both right-handed and left-handed guitars were produced. It was used for mid and lower priced guitars built in Korea and Indonesia.