Jupiter JSP1100
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Information
Information
Manufacturer Information
Jupiter
https://www.jupitermusic.com
atjupitermusic@khsmusic.com
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Safety manager:
SAICO SAS
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A Bb Tuba: The Versatile Reference for Low Brass Sections
The Bb tuba is a reliable choice for maintaining harmonic and rhythmic foundation: it provides depth, stability, and breadth in ensembles. Its bore (internal tube diameter, crucial for breath sensation and sound openness) specified at 17.50 mm places this model in a category of broad playing, with a good air reserve and natural presence. The lacquered brass finish offers a good balance between aesthetics, protection, and ease of daily maintenance.
For Which Musicians and Styles?
This tuba is aimed at musicians seeking an effective and direct section instrument : students, advanced amateurs, wind bands, brass bands, fanfares, and orchestras. Thanks to its Bb tuning, it integrates easily into common ensembles and repertoires, from ceremonial music to symphonic programs, including popular music and street music. The 3 front valves facilitate simple fingering and familiar mechanics to confidently improve intonation, articulation, and breath control.
Sound and Design
The combination of 17.50 mm bore and 660 mm bell aims for a wide sound, with stable low register and projection that fills the space without effort. The lacquered brass body contributes to a consistent response and good homogeneity across registers. The adjustable leadpipe (the part that directs air from the mouthpiece to the instrument body) helps find a comfortable position, useful during long rehearsals. Regarding construction, the stainless steel pistons are an asset for durability and smooth action, provided proper maintenance (valve oil and wiping after playing).
Recommended Compatible Accessories
To preserve the mechanics and maintain smooth valve action, plan for valve oil (for piston brass instruments) and slide grease (essential to prevent stuck slides). A microfiber cloth is also recommended to remove marks and protect the lacquer after each session.
Technical specifications
| Level | Professional |
| Category | Sousaphone |
| Tone | Bb |
| Body material | Fiberglass |
| Bore | 17.5 mm |
| Bell material | Varnished brass |
| Pallettes material | Stainless steel |
| Springs | Steel |
| Bell engraving | No |
| Number of valves | 3 |
| Bell diameter | 660 mm |
| F-Attachment | No |
| Double brace | No |
| Valve buttons | Pearly appearance |
| Included accessories | Mouthpiece, Roller Case |
| Color | Yellow |
| Finishing | Varnished |
| Weight | 12.7 kg |
| Dimensions (mm) | 1300 |
| Key | Bb |
| Body | lacquered brass |
| Leadpipe | 3-piece, adjustable, lacquered brass |
| Valves | 3 front, stainless steel |
| Valve block | detachable, lacquered brass |
| Material | lacquered brass |
| Mouthpiece | included |
| Height | 130 cm |
| Instrument adjusted by a luthier | yes |
Questions frequently asked
Is the Jupiter JSP1100 a B-flat sousaphone?
Classified as a sousaphone, this model is pitched in B-flat. Its three front stainless steel valves provide the fingerings combinations.
17.5 mm bore: what effect does it have on playability?
The 17.5 mm bore is associated with a broad tone and an air reserve suitable for the lower register.
What is the weight of this sousaphone?
With a stated weight of 12.7 kg, the instrument measures 130 cm in height. Its length is given as 1300 mm. A wheeled case is included for transport.
What are the materials of the body and the bell?
The body is made of fiberglass, while the 660 mm bell is made of lacquered brass. The finish is lacquered, with a yellow color.
What accessories are supplied and recommended for maintenance?
A mouthpiece and wheeled case are included. For valve and slide maintenance, valve oil, slide grease, and a microfiber cloth are recommended.
