Custom Made Nor' Easter Golden Amboyna Burl Wood Double Timber Reed Duck Call. This Duck Call has a great look, The Golden Amboyna Burl Wood is One of the most expensive woods on the market but when used on a call like this its worth every penny. The call been dipped and coated in a bees wax for protection and after a wet hunt it should have some polish or furniture wax applied to keep it looking great. The Echo style double timber reed makes a nice mallard sound for small ponds, rivers or streams great close range call with more tone to spare fast double reed makes your feeder call sound like they are in the blind with you. overall length is 4-3/4 with echo style insert.