Miraphone 86A GM Bb-Tuba
Professional music gear - detailed information and where to buy
The Miraphone 86A GM is a serious tuba for the discerning player. Its gold brass construction gives it a rich, focused tone, perfect for orchestral and solo work. This is a high-end instrument built to last, ideal for professionals and advanced students seeking a top-tier tuba experience.
Product Description
- Miraphone 86A GM Bb-Tuba
- Bb Tuba
- Model 86
- Size: 4/4
- Four rotary valves
- Bell Ø: 450 mm
- Bore: 19.60 mm
- Body and lead pipe made of gold brass
- Valve mechanism made of combined gold brass and nickel silver
- Conical rotary valves
- Miraphone-Minibal thrust rod
- Height: 1010 mm
- Weight: 9.70 kg
- Clear lacquer finish
- Including TU29 mouthpiece
- strap holder and sheet music box
PROS
- • Gold brass body delivers exceptional warmth and projection.
- • Minibal thrust rod enhances valve response and reliability.
- • 450mm bell provides a powerful, resonant low range.
- • Rotary valve action is smooth, precise, and consistent.
CONS
- • Premium-priced, a significant investment for most players.
- • Weight (9.70 kg) can be fatiguing for extended performances.
- • Gold brass finish requires diligent care to prevent tarnish.
Product Video
Key Features
Bore Size
19.60 mm
Bell Size
450 mm
Material
Gold brass & Nickel Silver
Valves
Four rotary valves
Finish
Clear lacquer
Weight
9.70 kg
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Frequently Asked Questions
The 188 is generally darker and more mellow; the 86A has more projection and a slightly brighter, more focused sound.
Yes, they are conical, which contributes to more even intonation across the range and a quicker response compared to cylindrical valves.
Regular polishing with a brass-specific cleaner and sealant is essential to prevent tarnish and maintain the gold brass’s luster; avoid harsh chemicals.
