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Can You Use a Plain 4th Guitar String?

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Can you play your guitar with a plain D string? I mean, you can, but I’m not sure why you’d want to…

Ill-advised though it may be, we see enough people ordering plain 4th strings in custom sets of Stringjoys that we thought we’d try out a plain 4th ourselves. So that you don’t have to.

Video Transcription

So you’ve heard all about wound thirds, but have you ever tried a plain fourth? Well, odds are you probably haven’t and you and I have that in common, because I’ve never done it either, outside of our set where we made all plain strings, but that was a weird one…

So today it’s going to be a short video, but an idea I wanted to explore of what the heck happens if you take a plain fourth string, and pop it into a regular standard set. So what we’re going to do is we’re going to take my Les Paul, use our usual 10 to 48 set, but instead of the 26 wound that you usually see on the fourth string, we’re going to do a 24 plain. Now we do that because the mass is a little bit different between plain and wound strings, so a 24 will be more similar to a 26 wound string. Just trust me on it, it’s what’s going to be best. I don’t know how this is going to go. I’ve never done it. We’re going to find out together and see if there’s any merit to it.

So I’m going to assume you are a guitarist, again, I assume if you’re not a guitarist, I’m not sure why you’re watching this. Maybe just to see this handsome face. Probably not. Anyway, I’m going to assume that you probably know what a normal guitar sounds like with a wound fourth. So I don’t think we really need to do a straight-up A/B test demo and make this even longer. So I just went ahead and popped this 24 plain on here. We’re tuning it up. One thing to always keep in mind with super, super heavy plain strings is the steel is so strong that it usually takes a minute to tune up because the steel has to usually bend around the tuning peg, which can take a second. So we’re getting it there right now.

All right, we’re back, and I think we’re mostly stretched out. Like I said, these guys take a little while to stretch in, but it looks like it’s holding okay now. Let’s see what we’re going to do here. We’re we’re in open E, like normal. That all sounds normal. Let’s see what happens when we get up to that D.

So a few things that we’re noticing already, for one, our intonation’s not dead on, but that’s not even the biggest issue. The biggest issue is when you get a string that’s this heavy of steel, you start to get these ghost notes when you fret it high. Yeah, we call this inharmonicity, and it’s where the overtones aren’t very well in tune with the fundamental note. And that’s where you get that bell-like overtone that’s really not pleasing. To me, it just really stands out.

Yeah, in context, you almost don’t notice it, but then when you play that particular note, you can tell. You’re not getting the sustain that you’re after, that you would normally have with a wound string, you’re not getting as much as the flexibility as you would normally get with a wound string. And you’re getting that inharmonicity, that’s less noticeable down at the bottom end, but then when you get up higher, yeah, it gets pretty gnarly.

Just for kicks, because I want to know, let’s see what it sounds like with a little bit of drive and fuzz…

Nope. Better, but not by too much.

So I think it’s safe to say this is not something that you want to do. It’s not something I really want to do again, but I’m glad that I tried it out to find out. I had a feeling we’d see what we saw with the inharmonicity at the top end. Overall, as you can imagine, it’s really not a flexible string. People think of plain strings as flexible because you play really thin plain strings, but when you get heavier on them, boy, are they not.

Overall, I didn’t like the sound of them, I don’t think there was anything interesting to be harvested there. But as always, it’s fun to take these little explorations and see what happens. But for this one, yeah, I can’t even really see any great use for it for anybody out there, just because of those gong-like, bell-like overtones. But still, as always, glad I did it, sometimes we try things and that’s how we find out things that don’t work. I should note that as is usual, when you throw a bunch of fuzz on it, it’s not that bad…

10 Responses

  1. Flat-top acoustic guitar here; a decent quality factory model by Dean that a master luthier radically improved with brace shaving and other tweaks. I tune my guitar a full step higher than standard- f# rather than e. It’s a 7 string, too much muddy bass with a low B as the 7th string, so that’s why I push the envelope upwards. Very light strings come up to useable higher tension from going up a whole tone, so .010, .013, and plain .017 all sound and finger perfectly.

    Just recently wanting to go a little lighter gauge in the bass, I have ordered some .022 strings in both plain and wound for the 4th string that is now at E up from D. I really don’t have much hope for the plain .022, but want to try it anyway- barring inharmonicity an funky intonation, I generally prefer as much plain string sound as I can get for the type of intricate, finger-style contrapuntal music I play. .024 is a fine sounding gauge in either 80/20 or PhB, and is what I will go back to if neither .022 works. Appreciate any feedback from anyone else who has done this kind of non-standard tuning.

    Thanks!
    Dan

  2. You were much more polite that me. I thought it sounded horrid. Especially with the fuzz. I now know that I’ll never even consider it. Thanks for sharing. I really enjoy your videos.

  3. I use a plain D# (same octave) on one of my guitars
    Normally I’d be against using a plain string for that but having a wound 2nd (this isn’t a typo) string just feels too weird.
    The overtones you get with a plain string tuned that low gives things some Sonic Youth-esque vibes.

  4. I’d like to see an option for flat wound strings set as well. Would be worth to try especially for acoustic or bass guitars.

  5. Did you re-adjust the intonation at the bridge? It should be moved back to make the scale length longer, I think. That _should make the string at least play in tune, fundamentals and overtones, no? If someone wanted a super-supper slinky set, I can see where a plain D might make sense. Not my thing though, I play with just my fingers and thumb and I’m pretty heavy handed about it. Need a string gauge that fights back, but I can still conquer, LOL

  6. I get a plain 4th for my eight string, primarily for the symmetry of it. It has a nice play feel to it, especially when switching strings a lot

    1. I was thinking a similar thing. Been playing in this kind of Bass/Guitar tuning. Low to High E-A-D-G D-G-B-E and thinking of going all wound bottom and all plain top. So you find a plain 4th works just fine if you adjust for it?

  7. I wouldn’t because I’m old school and I like I can special order 3rd string wound from you guys. Plain 3rd has too much ring for me is hard to tune.

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