New Alexander 103 double horns in stock.

Marcus Bonna Backpack Bag for Screw Bell Horn


Item Details

The backpack bag with room for horn model MB fits one screw bell french horn.
It has been designed to make short traveling more practical. Besides the french horn, it is possible to fit one mute and some pieces of clothes. (We do not recommend filling the backpack bag to its maximum. It may damage the case and/or damage the instrument). If you need to travel with more clothes we have the “Travel Bag MB With Room for Detachable Horn” model.
Its possible to increase the size of the backpack by 5 cm using the expansion system. It also has two front pockets (for accessories) and the waist belt for a more comfortable weight distribution across your body.  Several interior pockets and organizer show the attention to detail.
MB cases models have a new system that is adaptable for different types of french horns. The EVA parts and cushions have Velcro attachments, so they can be adapted in order to fit most sizes of double horns.

The case includes:

  • 2 backpack straps
  • 1 mouthpiece pouch for two mouthpieces
  • 1 waist belt
  • 1 identification tag

The back and lower sides of the case have a fiberglass shell for protection, while the front is padded nylon.  An optional (recommended) fiberglass bell protection cone is available for extra protection during heavy travel.


  • 20x14x6"   smallest
  • 20x14x10" largest
  • 20x14x8"   with Alexander 103 inside

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