Conversely, if the fretted note is flat compared to the harmonic, move the saddle forward. If the fretted note is sharp relative to the 12th-fret harmonic, move the saddle back (away from the neck). In fact, I like to check the 12th-fret intonation with the string first tuned to E and then retuned down a whole-step to D. Next, use a high-quality electronic tuner to check the 6th-string intonation at the 12th fret one more time. If the bridge tail can draw back, you may want to tighten the screws on the spring claw to eliminate this slack, but be sure that the tremolo remains level with the guitar body.Īdjusting intonation. I don’t recommend attaching the shim to the inertia block.Īfter you’ve glued in the shim, check the tremolo for any slack. Once the shim is installed and the tremolo is level with the body, you’re ready to secure the shim to the edge of the spring cavity using medium viscosity super glue. Unless you’ve made a few of these shims, assume that the fitting and shaping will take several passes, and it’s crucial to retune to pitch each time. (Refer to Photo 2 again to see how the shim stays level with the body.) Another reason to use a shim that’s shorter than the Floyd block: You want to be able to raise or lower the bridge to adjust the overall action without dislodging or bumping the shim.ĭesigned for double-locking tremolo systems, the D-Tuna lets you quickly lower your bottom E string a whole-step to D.Īs you shape the shim, make sure the tremolo base remains level with the guitar top when the strings are tuned to pitch. In other words, avoid using a shim that extends as far as the inertia block, as this can cause the springs to bind on the shim and create tuning issues. The tools are simple-you can use a small hobby saw and a belt sander or a few sheets of medium and fine sandpaper-but it takes time to measure, cut, shape, and fit the shim, so be patient.Īnd here’s an important detail: I recommend sizing the shim so it’s level with the body at the edge of the spring cavity. I like using maple for this because it’s so durable. The best way to do this? Carve a slim wooden shim to position between the Floyd’s inertia block (where the springs attach to the trem system) and the edge of the spring cavity. This is to prevent the inertia block from drawing toward the spring claw after you’ve dropped the low E a whole-step and reduced string tension. Once the action is adjusted, it’s time to block the tremolo.
#Shadow etuner install how to
For a detailed description of the process, check out “ How to Set Up a Floyd Rose-Style Trem” on .īlocking the tremolo. In fact, I like to give a guitar a thorough setup before installing the D-Tuna.
#Shadow etuner install install
Before I install a D-Tuna, I make sure the guitar’s action is adjusted to match my client’s playing style.
Let’s go through each stage of the process. The rest of the project is rather routine: replace the string-lock screw, install the D-Tuna, tune the guitar, and finally adjust the intonation. This block, or shim, resides on the spring side of the cavity.
#Shadow etuner install mod
(On the D-Tuna website, this is described as “stabilizing” the bridge.) This mod requires installing a small wooden block inside the spring cavity between the Floyd’s inertia block and the body, as shown in Photo 3. But it does require one very important modification: For the D-Tuna to work properly, the tremolo has to be blocked to prevent the rear end from drawing back toward the body. The D-Tuna has been around since the early 1990s and it’s relatively easy to install. To raise the 6th string to E again, push the D-Tuna towards the bridge-it’s that simple. Once the spring-loaded device is installed, you simply press it down to drop the low E string to D.
(In the latter case, the dropped 6th string goes to Db.) The kit includes two locking screws of different lengths this allows the D-Tuna to work with most Floyd Rose or Floyd-licensed double-locking trems, such as the Peavey unit in Photo 2. The device works with standard electric string sets and in either concert or Eb tuning. Designed for double-locking tremolo systems, the D-Tuna lets you quickly lower your bottom E string a whole-step to D without having to unlock the string nut, retune, and then lock the nut again. He wanted me to install an EVH D-Tuna ( Photo 1) on his Floyd Rose-equipped Peavey V-Type Limited Edition. A few months ago one of my favorite clients brought in a very cool project.
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