Harry Hartmann Fiberreed Onyx Tenor M

For a year and a half now, I've been using plastic reeds to play the alto and tenor. Basically, it's Ledger's signature. I tried both the American cut and studio, as well as plastic reeds from vandoren vk, fibracel, Bari, and I also tried the culprit of this review. I will say that the size of M is not 2.5 signatures from the ledger, but much weaker. And even the installation on the mouthpiece with a large opening did not give me a feeling of comfort. The upper range of the saxophone sounded limited and unnatural. The buttom notes were fuller, but there was a certain nasal quality to the sound of the saxophone. The reed took its place in the home museum. I using a ledgere signature 2,5 on otto link stm ny 6*