1 6

All Brass

All Brass Trombone Mouthpiece Size 12C

¥45,800
Shipping calculated at checkout.

12C (BT12C - BTP12C)

  • Ø O.D (Outer Diameter): 39mm
  • Ø I.D (Inner Diameter): 24.55mm
  • Cup Depth: 18.98mm
  • Rim Width: 7.225mm
  • Throat: 5.78
  • Length: 79mm
  • Cup Description: Shallow bowl cup with a small diameter.
  • Sound Description: Small piece with a brilliant sound. Ideal for popular music.


    (All models come in small or large shank)
Open a Concierge File →

For acquisitions above $10,000 our concierge handles direct-from-maker sourcing, insured global shipping, customs paperwork, and dedicated specialist consultation. Reply within one business day.

Workshop-built Concierge timeline applies
30-Day Authenticity Guarantee Lifetime Concierge support · Concierge handles claims on your behalf · Vendor-direct sourcing

Looking for the right instrument?

Our Concierge has a 1-business-day SLA. Compare options across the catalogue, verify provenance, schedule a Workshop-Verified inspection, or discuss alternatives.

Open a Concierge File →

No fee · No commitment · Reply within 1 business day