Item #1520006 Model #JBR1101MS

Jupiter JBR1101M Quantum Mark II Series Marching Baritone Silver


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Easy intonation adjustments deliver bright, clear projection.

The Jupiter JBR1101MS Quantum MK II Marching Baritone is built for high school marching bands and drum corps, this premium baritone delivers the power and projection needed for competition-level performances. With a .531" bore and 10" silver plated yellow brass bell, the JBR1101MS produces a bold, resonant tone that cuts through the ensemble. Its stainless-steel pistons and nickel-silver mouthpiece receiver provide an articulate response and brilliant timbre. First and third valve slide adjustments allow for precise intonation on the move.

Modern Tuning Slide Design
Marching baritone players will appreciate the innovative tuning slide mechanism of the JBR1101MS. A thumb trigger on the first slide and finger ring on the third slide make it easy to adjust intonation without missing a beat. This optimized design helps you focus on your performance instead of struggling with intonation.

Built to Withstand Years of Use
Jupiter designs instruments to last through years of regular use. The JBR1101MS features a durable brass body, stainless-steel pistons, and sturdy bracing that can handle the rigors of outdoor marching. Its silver-plated finish maintains an attractive shine and prevents tarnish, keeping your baritone looking and sounding its best season after season.

The Jupiter Advantage
For over 40 years, Jupiter has built high-quality, affordable band instruments for students and educators. Each Jupiter baritone undergoes a multi-step quality inspection to ensure consistent craftsmanship and tone. When you choose Jupiter, you get an instrument designed to support developing musicians through high school and beyond.

The JBR1101MS Quantum MK II Marching Baritone also includes a durable hardshell, wood-framed case for safe transport and storage.

  • Instrument Type
  • Type: Marching baritone horn
  • Tuning: Bb
  • Level: Advanced
  • Construction
  • Bore: .531"
  • Bell: 10"
  • Bell Material: Yellow brass
  • Valves: Stainless steel pistons
  • Other
  • Finish: Lacquer, silver-plate
  • Case: Wood frame
  • Mouthpiece: Yes


  • Available models JBR1101M lacquer or JBR1101MS silver-plate
  • 10" bell
  • Stainless steel valves
  • Adjustable 3rd valve slide finger ring