Martin D-18 sound on a budget. Sigma SDM-18 & DM-18 | Acoustic Union

ACOUSTIC UNION - Professional Guitar Store with in-house Workshop and worldwide shipping. Each instrument is completely set up, ready to rock and checked for any factory defects. And we are as crazy about guitars as it may seem:) 🔺BEOGRAD🔻 ✔️ Zemun, Zmaj Jovina 27 📞+381 62 142 9412 🕰 11:00 till 20:00 every day Our socials Timeline: 00:00 Intro 00:35 The history of Martin D-18 03:14 Sigma guitars 04:45 SDM-18 & DM-18 05:45 Sound comparison 10:00 Our thoughts