Ask the Expert

Here are answers to many questions about acoustic guitar care and repair.

Uncertain about guitar care and maintenance? The ins-and-outs of guitar building? Or another topic related to your guitar? Ask Acoustic Guitar’s repair experts by sending an email with the subject “Repair Expert” to [at] If AG selects your question for publication, you’ll receive a complimentary copy of our Acoustic Guitar Owner’s Manual.


Ask the Expert: Can I Use Medium Strings on My Prewar Martin?

If the saddle has been lowered on your guitar in the last 80 years, and it likely has, then the torque on the top will have been reduced, too, which lowers the risk. This may be why you prefer the sound of the medium-gauge strings—they may put a load on the top that is comparable to what light-gauge strings would produce with a taller saddle.