John Packer JP172 Eb tenor horn outfitIntroducing the John Packer JP172 Eb tenor horn outfit The JP172MKIV is an Eb tenor horn for those looking to take their playing to the next level. A step up from the JP072, it has been developed extensively over the last few years and the 4th generation design boasts reliable response and intonation worthy of many more expensive models. Excellent intonation, easy maintenance Made entirely from yellow brass and built to last, its robust construction