John Koehler 2023

John Koehler 4th street model flatback double bass. A smaller 3/4 bass with a big sound, owing to John's unique interior bracing design and his vast knowledge as a bassist and luthier. This instrument is completely handmade by John with the finest Tone wood available, Big leaf maple flat back. hand varnished with Koehler's special recipe. A very fine professional instrument. More information at Johnkoehlerbasses.com