Detail 01
4/4 size
Full-size body. Broad, dark sound and lots of air demand. It fills a band room by itself.
Product detailSKU #1274319722450
Miraphone186-4U Series 4-Valve 4/4 BBb Tuba 186-4V Yellow Brass 4 Valve Nickel-Silver Slides
Independent shopping perspective
The Korena take
A 4/4 BBb tuba with four valves and nickel-silver slides, built for a serious player or a school program buying one horn to last decades.
Strong match
Who this is for
- Concert band and orchestral players needing a full-size BBb voice
- Advancing students moving off a rental 3/4 horn
- Programs wanting one tuba that survives years of handling
Consider the trade-offs
When to look elsewhere
- Marching use — a 4/4 concert tuba is heavy and awkward on the field
- Beginners whose lungs cannot yet fill a 4/4 bore
- Players who need a compensating or 5-valve horn for low-register work
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
BBb key
The standard band and school key. Parts and fingering charts assume it, so switching horns later is easy.
Detail 03
4 valves
The fourth valve fills the gap below low E and corrects intonation on low D and C without lipping.
Detail 04
Yellow brass body
Yellow brass is the middle-of-the-road choice — brighter and more focused than gold brass, less edgy than nickel.
Detail 05
Nickel-silver slides
Harder than brass, so slides resist wear and dents at the tubing bends that get grabbed most.
Detail 06
$11,799 price
Professional tier. You are paying for hand assembly and consistency across the register, not features.
Final check
Know before you order
- 01Confirm what ships with it — a case and mouthpiece are separate purchases on horns at this level
- 02Budget for a stand and a gig cart; a 4/4 is not carried far comfortably
- 03Have a tech check valve alignment and slide fit on arrival before you play it in
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Is this a good school tuba?
Yes for a strong program. It is a full-size BBb in the standard band key with four valves, and the build is meant to take years of student handling.
02What does the fourth valve actually do?
It extends the range below low E and gives you alternate fingerings that fix the sharp low D and C, so you stop lipping those notes into tune.
03Can I march with it?
Not practically. This is a concert tuba — full size, front-facing bell, and heavy. Marching bands use sousaphones or purpose-built marching tubas.
04How is this different from the 187?
Both are 4-valve 4/4 BBb tubas from the same maker. The 186 is the lower-priced of the two here; try both, since the difference is in feel and response.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
2 detailsBody & build
- Color
- Silver
- Color Finish
- Yellow
