Yamaha S90ES Owner's Manual + Data List Booklet Synthesizer Guides

Original Yamaha S90ES manuals set – includes the red Owner’s Manual and black Data List booklet. Both in good condition with visible wear (see photos), no missing pages. Perfect for owners or collectors of the S90ES music synthesizer. 📚 Includes: Owner’s Manual (English) Data List Booklet (Voice list, Drum Kits, MIDI charts & more) 📏 Size: Standard A4 📌 Condition: Good (creases and corner folds visible)