Yamaha AC3M User Guide - Page 6

A1 Series The A1 series features hand-selected premium Sitka Spruce tops and a choice of mahogany or rosewood back and sides. Yamaha's original dreadnought and concert-size body styles perfectly complement the A-Series elegant looks while the System 66 analog preamp and SRT pickup ensure solid plugged-in performance. Model Top Back&Side Neck Finger Board Bridge Body Depth Nut Width String Lengh Tuning Machine Color Finish Preamp A1R AC1R A1M AC1M Solid Sitka Spruce Rosewood Mahogany Mahogany Rosewood Ebony 100-118mm 100-120mm 100-118mm 100-120mm 43mm 650mm Die-Cast Chrome Natural,Vintage Sunburst Natural Gloss System-66 System-66 AC1R A1R AC1M A1M NT VS NT NT 9 10