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There is no real answer, as anyone could make a new kind of truss rod, for example a licorice truss rod. Perhaps you mean that a truss rod could be under stress or under compression, or be designed for both.
No, they do not require a truss rod. Some of the Banjoleles have them installed, but they aren't required.
No. Some less expensive guitars do not have truss rods in their necks. Any guitar that is more than a toy should have a truss rod, with out the truss rod if your guitar got into some moisture and the neck bowed,you would not be able to straighten the neck out.
You can't!
not quite. the truss rod will in fact reinforce the neck, but the bridge area can really suffer from high tension. not to mention the saddle nut and tuners. When a CF Martin guitar was custom built for this kind of versatility it used a totally different engineering and it was much more acoustic than classical. why ruin a guitar?
It's a long rod lodged up in the neck of a guitar used for keeping the neck of the guitar straight. The truss rod is used to allow the neck to bend either way in response to the tension of the strings. Without it, there would be no steel string guitars, the neck wouldn't be able to handle the tension of the strings. Many beginners think that adjusting the truss rod will lower the "action" or how high the strings are from the fret board of the guitar. This is not entirely true and it is probably more of a Nut and saddle/bridge adjustment that is needed.
It is a good guitar if your just starting out. They are cheaper because epiphone cuts corners on the final touches of the acoustic guitar, which is easily fixed. If your planning to buy it online, I'd suggest taking it to a guitar shop and having them setup your guitar (ask for fret setting and truss rod adjusting), as the frets are usually sharp on the edges and makes it difficult to play. It will cost around $20. This will make that guitar play like a $500 one.
In short you can do, but it's a very lengthly process and will cost you a fair bit of cash. Usually the way to do it (assuming your neck is deep enough to accommodate the truss rod) is to remove the fretboard, then route a channel down the centre of the neck under the board, install the rod with the adjustment nut at the headstock end, then reglue the fretboard. Though TRUSS me, it's a lot harder than I made it sound just then! I'd recommend taking it to your local repair place to get a quote and don't try it yourself unless you're a master router. If the problem you're trying to fix with a truss rod is that you're guitar neck is slightly warped, then a slightly easier option would be to get the frets out, plane/sand the fretboard level and then get it re-fretted.
the only difference i am aware of is that one has a larger pickguard......i have the epiphone sg 400 with the smaller guard....both are nice guitars. --stan the guitar man The G400 has a solid mahony body - the g310 has alder The G400 has a set neck - the g310 has bolt on The G400 has alnico V humbuckers the G310 has open coil humbuckers The G400 has trapezoidal inlays - the g310 has dots I think that's it The G400 is a nice guitar and an "upmarket" version, it retails at about £100 more than the G310. I believe the 400 says Gibson on the truss rod cover.
A guitar's truss rod is a long metal rod that runs from the body of the guitar along the back of the guitar's neck all the way to the headstock. It's purpose is to provide strength to the guitar neck against the extreme tension of all the guitar strings. Also, without the stability provided by truss rods, guitar necks would have to be made from much harder and stronger woods to take the tension of the strings, which would in turn raise costs significantly. The use of a truss rod allows manufacturers to make guitar necks out of much softer woods or composite materials. It is also a means to stabilize and adjust the relief of the guitar neck (forward curve).
on most Les Paul's theres a truss rod cover below the "LES PAUL" wording take the TRUSS ROD COVER off with a philpis head screw driver and under there is a place where you take a hex wrench set and tighten or loosen
It depends on the problem with your truss rod. I answered a question already on how to adjust the truss rod on a bass guitar. Search for "How do i adjust a truss rod on a bass guitar?" If your truss rod is broken or the threads are stripped search for "truss rod rescue kit". Before you buy it, read the details and watch the video so you know what you're getting into.