Is this guitar's bridge saddle in the right place? ... For example a standard guitar in the key of E would be tuned 0, 7, 3, 10, 5, 0. Guitar building tips. Placing the pickups in an analogous way will likely produce an analogous dynamic response (not necessarily a similar tonal response, though, unless you use the same pickups). The magnets will not end up in line with the strings. Checkout his great book and work at lospennato.com. Additionally, magnetic pickups have wide "apertures": they sense a pretty big length of the string, not the string at just one point (humbuckers: doubly so). The placement of pickups along the guitar scale is undoubtedly one of the most influential factors of the sound of the bass and the electric guitar. Using pickups with magnetic rods instead of individual magnets for each string will eliminate the problem. For guitars and other fretted instruments the placement of the frets is based on the scale length. An important factor that determines where the bridge will be situated on the body is the point where the neck meets the body. The neck must be fastened to the body before you are going to position any bridge. What do you do if the intonation at the 12 th fret is not correct on an instrument you are repairing or on a instrument you've just built? It is often said that if a pickup (or more properly, its magnets) were placed under the node at the 24th fret, three of the principal eight modes would simply not be perceived by the pickup, because three overtone curves have a zero value at that particular point. Some luthiers don't place the pickup perpendicular to the strings, but at a slight angle. Moving the bridge too far from the neck increases scale length and creates flat fretted notes. We designed it for use prior to cutting saddle slots in new bridges, or when filling and recutting existing saddle slots (methods such as placing dowels or pins under the strings can be inaccurate, because string pressure tends to move the dowels forward). Changing the placement of the pickups changes the way each vibration mode is perceived by the pickup. Leonardo Lospennato is the author of a 250 page book focused entirely on electric guitar design. That depends on the sound you are looking for. The magnets of the treble strings get closer to the bridge, and the magnets that "read" the bass strings become gradually more separated from the bridge. I tested the computer against my \"stone age\" method. If you decide to angle to bridge, mark the new holes with the bass side (thicker strings) tilted slightly down towards the butt of the guitar… If the truss rod adjustment is at the body end of the neck, space will have to be provided between the end of the neck and the neck pickup for the truss rod adjustment to be made. In a place that allows each pickup to better fulfill its mission. Most of the pieces of the guitar are glued together, so it might not seem at first that lengthy and detailed instructions would be needed for gluing on the bridge of the flattop acoustic guitar. If it is sharp then you'll have to move the contact point away from the nut. Placing the bridge too close to the neck shortens scale length and makes fretted notes sharp. Such a situation is not unusual on guitars (or some basses) with 20, 21, or 22 frets: the neck pickup often ends up placed under that point, one fourth the distance from the bridge. The four vertical grey bars mark the location of the pickups' magnets, and show how each pickup "reads" the different vibrations. The Intonator finds the correct locations for acoustic flattop guitar bridge saddle placement. In the next figure, the sinusoidal curves represent the first eight vibration modes: The biggest curve represents the fundamental mode, and each subsequent overtone has less amplitude and higher frequency than the previous one - ad infinitum. Is it better? I-4462 Locating the saddle slot on steel-string acoustic guitars. Changes in pickup placement near the bridge are far more noticeable than those near the neck position. If the bridge was located here for fretted instruments though, the pitch of each note would be sharp and this sharpness w… Changes in pickup placement near the bridge are far more noticeable than those near the neck position. By using this tool, you can determine the length fingerboard you should purchase. This Fret Scale and Fingerboard Length Calculator can be used to calculate fret scale and fingerboard length. Our Fret Calculator also gives you compensated bridge placement -- only at stewmac.com! This is typical for Fender electric guitars and a lot of other guitars as well. If 12 th fret intonation for a string is flat then you'll need to move the point where the string actually contacts the saddle back towards the nut a little. There are two input modes. In order to place the bridge saddles in the correct location, you're going to have to hold the ruler on the 12th fret (on the actual metal fret, not in between the two) & then measure the distance from here to the inside of the guitar nut at the top of the neck, where it meets the wood. distance from bridge to nut or in the Brian may case the Zero fret to the bridge Correct bridge placement determines a guitar's intonation when playing fretted notes. You do not have to give it any angle though if you don't want to. The calculation method determines how FretFind calculates fret placement. What is the practical way to place pickups, then? Yes, the response of the pickup should be audibly different. Slanting single coils in too big an angle will cause the same situation. Changes in pickup placement near the bridge are far more noticeable than those near the neck position. In basses, leave some space between the end of the fretboard and the neck pickup to provide room for slap style playing if the instrument will be used in this fashion. That makes it impossible, from a practical standpoint, to avoid all nodes for all frets. SOME POINTS OF HISTORY By studying how great geniuses like Leo Fender and Les Paul designed their first instruments, we can understand more about the importance of pickup placement for our sound. The scale length of an instrument is the distance between the edge of the nut and the nominal bridge saddle position. The nearer the bridge, the more "trebly" the tone will be, with lower output level (due to the shorter amplitude of the string vibration at that point). Since both the nut and bridge saddle can be slanted on a multiple scale length instrument this calculator also provides offsets for each end of the nut and each end of the bridge saddle as well. Excerpt from the book "Electric Guitar & Bass Design" by Leonardo Lospennato. In general, the closer to the fretboard the better, since the sound will be mellower and louder. For fretless instruments the bridge is generally located at the nominal bridge position. Each fretted string gets its vibrating length shortened, so a new configuration of nodes emerges; the cancellations occur in different places for each fret! Learn About Guitar Bridge and Tailpiece Installation and Repair; Finding saddle location with the Saddlematic ; Finding saddle location with the Saddlematic How to find saddle placement location with the Saddlematic. Is all about testing different angles, and checking the results. The nearer the bridge, the more "trebly" the tone will be, with lower output level (due to the shorter amplitude of the string vibration at that point). This article is a short excerpt that will help with a common uncertainness when designing an electric guitar or bass. Yes, the sound may vary with millimetrical pickup position changes - but there is simply no "mathematical", "correct" way to place pickups, because the resulting, slightly different sounds are not objectively good or bad, they are simply different.