Is short Eb3 sharp or unstable? Is F4 also flat? There is too much cane in the back third of the channels. Refine the tapers. Be very careful not to weaken the reed too much.
Result of These Steps: weaker, flatter, less responsive, more resistant
The material in this learning module comes from The Banana of Life: Peeling Away the Mysteries of Reed Making for the Bassoon by Rian Craypo and has been edited for clarity by Jessi Vandagriff. Please do not share or distribute this information to those not using the decision-based learning model. Used with permission. Fingering and note diagrams were generated using the free resources from Bret Pimentel.