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Deal.ai › Miraphone
Miraphone
Miraphone 186-4U BBb Tuba

Miraphone 186-4U BBb Tuba

Best price now

$12,599.00at Musicians FriendChecked 1 h ago

Compared across 3 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $12,599.00 at Musicians Friend (checked Nov 10, 2026).
  • Checked at 3 stores.

Our take on the Miraphone 186-4U BBb Tuba

The Miraphone 186-4U is a four-valve rotary BBb tuba with a 17.7-inch gold brass bell and a .772-inch bore, built for professional and serious amateur players. It is the four-valve version of Miraphone's long-running 186, a compact upright tuba known for even intonation and a warm, centered sound. Compared with larger 5/4 orchestral tubas it is easier to hold and project in a wind band or brass quintet, and it costs less than Miraphone's top orchestral models. Owners tend to praise its tuning and build; some find the four-valve setup limiting for low register work that a fifth valve would cover.

Best forWind band and brass quintet playersCollege and conservatory tuba studentsPlayers wanting a compact professional BBbDoublers moving up from a student tuba
Pros
  • Even intonation across the range, the model's main selling point
  • Warm, round sound from the gold brass bell
  • Compact upright body that is easy to hold and transport
  • Rotary valves with nickel silver leadpipe and tuning slide
  • Ships with a hardshell case and Miraphone TU29 mouthpiece
Cons
  • Four valves leave the lowest register less flexible than a five-valve tuba
  • Rotary valves need more maintenance than pistons for some players
  • Gold brass bell gives a darker color that may not suit every ensemble
  • Large 17.7-inch bell makes it bulky in tight spaces

Miraphone 186-4U BBb Tuba prices at every store

  • Musicians FriendNew

    In stock

    $12,599.00Free shippingChecked 1 h ago
    Visit Musicians Friend
  • eBayNew

    In stockSold by music_and_arts

    $12,599.00Free shippingChecked 1 h ago
    Visit eBay
  • Music & ArtsNew

    In stock

    $12,599.00+ $29.70 shippingChecked 1 h ago
    Visit Music & Arts

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Miraphone 186-4U BBb Tuba price history

Lowest price we've seen: $12,599.00 on Nov 10 at Music & Arts. Tracked across 3 stores since Nov 10.

What reviewers say

Players describe the 186-4U as a reliable, well-built professional BBb with accurate intonation and a warm tone. Most criticism centers on the four-valve configuration and the care rotary valves require.

What people mention
  • IntonationPraisedPlayers say the 186-4U stays in tune across the range, which is its strongest selling point.
  • TonePraisedOwners describe a warm, round sound from the gold brass bell that blends well in bands.
  • ValvesMixedRotary valves are smooth but need more frequent oiling and adjustment than pistons.
  • Valve countCriticisedSome players find four valves limiting for the lowest notes compared with a five-valve tuba.
  • SizePraisedThe compact upright body is easy to hold and carry for its bell size.

Specifications

Instrument Type
BBb Tuba
Number Of Valves
4
Pitch
440 Hz
Valve Type
Rotary
Valve Material
Brass
Bell Size
17.7 in
Bore Size
.772 in.
Intonation

Questions and answers

Is the Miraphone 186-4U good for a college tuba player?
Yes. It is a professional-level BBb with accurate intonation and a warm sound, and its compact size suits daily practice and band work. Students who need the lowest register may prefer a five-valve model.
How does the 186-4U differ from the 186-5U?
The 5U adds a fifth valve, which gives more flexibility in the low register. The 4U is lighter and simpler, and most players find its four valves enough for band and chamber music.
Does it come with a case and mouthpiece?
Yes. It ships with a hardshell case and a Miraphone TU29 mouthpiece, so it is playable out of the box.
What is the difference between the gold brass and yellow brass bell versions?
The gold brass bell gives a warmer, darker tone; the yellow brass bell is brighter and projects more. Both share the same bore and valve setup.
Are rotary valves harder to maintain than pistons?
They need regular oiling and occasional adjustment, but many players find them smooth and reliable once they learn the routine.
Is it suitable for orchestral work?
It can handle lighter orchestral parts, but many orchestral players choose a larger 5/4 or 6/4 tuba with five valves for more low-end power.
Where is the Miraphone 186-4U BBb Tuba cheapest?
At Musicians Friend, for $12,599.00, as of our latest check.
Where can I buy the Miraphone 186-4U BBb Tuba?
3 stores we checked sell it, including Music & Arts, Musicians Friend, eBay.
Accurate
Bell Material
Gold brass, Yellow Brass
Leadpipe Material
Nickel silver
Performance Skill Level
Professional
Height
0.00 INH
Weight
0.00
Length
0.00 INH
Mouthpiece Size
Miraphone TU29
Mouthpiece Included
Yes
Body Material
Gold brass
Body Shape
Upright
Tuning Slide Material
Nickel-silver
Finish Type
Lacquer
Finish Color
Yellow, Brass
Included Accessories
Hardshell case, Mouthpiece