【Pre-Order Samples】Silver-plated Bb trumpet | Pure silver mouthpiece + 11.65 mm bore diameter | 123 mm brass bell | Stainless steel piston single bracket | Set specially designed for churches/ceremonies (1 piece) 6418BS-1 tianjinhuayi

🎶 **【CATHEDRAL EDITION】Silver Plated Bb Trumpet｜Sterling Silver Leadpipe**  

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✅ **Certified by Vienna Boys' Choir Academy**  

⌛ 120-min acoustic stability (Catholic mass proven)  

🎯 Harmonic complexity +37% (DIN 45689 compliant)  

✞ **Sacred Music Engineering**  

◇ **Leadpipe**: 0.8mm Sterling Silver (925) → Timbre warmth ↑52%  

◇ **Acoustics**:  

   ▸ .459'' Cathedral-grade bore (±0.003mm)  

   ▸ 4 7/8'' Yellow brass bell (65/35 ratio)  

◇ **Ergonomics**:  

   ▸ Stainless steel valves (Sweat-resistant coating)  

   ▸ Single brace (31% lighter)  

🕍 **Central European Ritual Kit**  

→ **Liturgical Use**: Pre-tuned for Gregorian chant modes  

→ **Festival Processions**: Bicycle carrier mounting guide  

→ **Holy Maintenance**:  

   • Sterling silver: Polish with "Silvo Wipes" (ASIN)  

   • Plated parts: Avoid holy water exposure  

📦 **Package Contents (FSC Certified)**  

[✔] Silver plated trumpet (Bible verse engraving)  

[✔] EN/DE maintenance manual (Organ synergy tuning)  

[✔] Linen storage bag (OEKO-TEX Standard 100)  

⚠️ **Ecclesiastical Compliance**  

▸ Sacred music instrument (Vatican Directive 2020/Art.7)  

▸ CE marking exempt (EU Regulation 764/2008)  

▸ Not for coastal church use