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Modifying a steel string guitar for slide playing


By Jens Plahte


Do you wish to get started playing with a steel? ... and have you found the price of a decent sounding squareneck resonator guitar a bit too stiff? What about modifying an ordinary steel string guitar so it plays like one, or like a lap-steel? This is a low-cost method for doing just that. Neither special tools nor the abilities of a luthier are needed.

What you need is: I bought a secondhand Seagull S6 Cutaway with a spruce top (no mic to reduce cost) which was built sometime in the 1980s. It looked like this when I received it.

Before modification

From the online store of Folk of the Wood in New Mexico I purchased a metal extension nut.  This is placed on top of the ordinary nut, and raises the action to about 7 mm above the fretboard at the 1st fret.

Action at the 1st fret

The extension nut aligns all the strings in the same plane, much like on a classical guitar (... but the gray metal is uglybugly ...). This is essential in order to be able to touch all the strings simultaneously with the steel or bottleneck.

Extension nut

From the online store of GraphTech in Vancouver I ordered a slab of composite Tusq, which I sanded down to a saddle of the desired size and shape.  The saddle is rectangular in shape, that is, its edge is straight and not arched, thus contributing to keeping the strings on the same plane.

Saddle


Top

All things considered, I decided on an action of 8 mm at the 12th fret.

Action at 12th fret

Although I was using a caliper I ended up sanding the saddle a little trifle too thin, so I inserted two strips of sandwhich paper along with the saddle, in order to get a very tight fit in the bridge slot. If the saddle stands with a slant you risk breaking the bridge.

For more details and instructions about making a new saddle, consult the article on that topic at Frank Ford's excellent site at http://www.frets.com/

I had a luthier adjust the truss rod and shape an ordinary saddle for fretted playing, so it's a matter of minutes to reconvert the guitar for that purpose whenever I decide to sell it. (It goes without saying that fretted playing is impossible with the modifications described here.) I was concerned that the increased action would put the headstock or/and the heel at risk, but the luthier was quite certain that the neck bolts were strong enough and that the extra tension on the headstock was only incremental (... which was also the conclusions of my own speculation ...).

After several months there are no signs of warping or anything like that. Since I don't flatpick the abalone pickguard was removed, and after about eight months the top is becoming more uniformly darkened than what is the case on these pictures.

After modification

The guitar is really up to expectations. It sounds very well for the country bluesy and bluegrassy styles that I’m exploring (I'm an amateur playing at home only ...). For blues I mostly hold the guitar in the normal playing position, picking with my bare fingers and with a glass bottleneck on the little finger. The cutaway gives access to the higher 'frets'. For bluegrassy stuff I place the guitar top facing up in my lap like a squareneck, I put on a thumb pick and play with a stevens steel. Both ways it sounds GREAT!. I use .11 strings and EBEG#BE open E tuning. Do not use heavy gauge strings meant for squarenecks ... a roundneck guitar might warp or break under that tension.

Any comments, questions or suggestions? Please contact me at email address is 'encrypted' as an anti-spam measure
 

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Posted 11 January 2007