A Grenadilla Wood Step-Up That Means Business
If you've been playing clarinet for a few years and you're ready to leave the plastic body behind, the Jupiter JCL1100S is worth a close look. This is the instrument that tends to show up when a student gets serious — the kind of clarinet that a dedicated middle or high schooler, or a returning adult player, reaches for when a beginner model simply isn't cutting it anymore. The grenadilla wood body changes the whole equation.
Grenadilla — also known as African blackwood — is the material of choice for professional clarinets the world over. Jupiter uses a select grenadilla wood body in the JCL1100S, and that choice carries real tonal benefits: a warmer, more complex sound that tends to open up across the full range of the instrument. It's a noticeable step up from what ABS resin bodies typically offer, and most players feel the difference right away.
Beyond the wood, Jupiter packed the 1100 Performance Series with ergonomic upgrades that go further than you'd expect at this price tier. If you're tired of fighting your instrument to find a comfortable hand position, this one was designed with that frustration in mind.
Ergonomics Designed Around How You Actually Play
The JCL1100S features an offset register key and a raised C/G tone hole — two design choices that work together to allow a more naturally ergonomic hand position. The raised C/G key riser in particular helps your left hand third finger land where it wants to, rather than bending to meet the instrument. For players logging long practice sessions or rehearsals, these details add up.
An adjustable ergonomic thumb rest lets you dial in the right fit for your hand size, which matters more than most people realize. And the left hand Eb key — not always a given at this level — is a real asset in technical passages where that note comes up quickly. Together, these features make the JCL1100S a notably comfortable clarinet to play for extended periods.
Keys, Pads, and the Mechanical Details
The keywork on the JCL1100S is silver-plated nickel silver — a step above standard nickel plating — and the keys themselves are forged, which tends to hold up better to regular use than cast keys. The instrument uses a double bladder pad system paired with blue steel needle springs, which contribute to consistent response and a reliable feel under the fingers.
The 65mm barrel is a standard professional length, and the ringless bell with its custom taper helps support focus and projection in the lower register. Metal tenons at the joints add durability and help maintain a consistent seal between sections. The poly-cylindrical bore — confirmed at .577 inches — is characteristic of the Boehm-system clarinet design and contributes to the instrument's tonal balance across registers.
Product Features:
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Key: Bb
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Body Material: Select grenadilla wood
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Keys: Silver-plated nickel silver, forged
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Bore: Poly-cylindrical, .577" (14.65mm)
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Barrel Length: 65mm
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Bell: Ringless design with custom taper
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Pads: Double bladder pad system
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Springs: Blue steel needle springs
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Key Features: Left hand Eb key, offset ergonomic register key, raised C/G key riser
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Thumb Rest: Adjustable ergonomic thumb rest
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Tenons: Metal tenons
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Series: Jupiter 1100 Performance Series
Brand: Jupiter
Model: JCL1100S 1100 Performance Series Bb Clarinet
SKU: JCL1100S
Condition: New
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