MIRAPHONE Germany - Professor Dirk Hirthe with the BBb tuba #Hagen serie model 497 - 6/4 size model 496 - 5/4 size model 495 - 4/4 size more: https://www.miraphone.de/instruments/tuba/filter/m_model_no-model_495_hagen-model_496_hagen-model_497_hagen ...
![MIRAPHONE-B-Tuba Hagen 497 (BBb-497A) | MIRAPHONE-B-Tuba Hagen 497 (BBb-497A) | Bb-Tuba | Tuben | Metallblasinstrumente MIRAPHONE-B-Tuba Hagen 497 (BBb-497A) | MIRAPHONE-B-Tuba Hagen 497 (BBb-497A) | Bb-Tuba | Tuben | Metallblasinstrumente](https://www.fmb-direkt.de/media/image/b4/e5/60/MIRAPHONE-B-Tuba-Hagen-497-BBb-497A.jpg)