The ZO Cobra Trombone is ZO's flagship professional Bb/F tenor trombone, designed for advanced performers seeking a large, orchestral sound with premium materials and craftsmanship. It sits above the ZTB-5500 in the ZO trombone lineup.
ZO Cobra Bb/F Professional Trombone — Featuring a large .547" bore, 8.5" gold brass bell, rose brass leadpipe, nickel-silver slide assembly, and open-wrap F-attachment, the Cobra delivers exceptional projection, rich tonal color, and effortless response. Designed for serious performers, it offers the power and flexibility required for symphonic, wind ensemble, jazz, and solo performance applications.
| Feature | ZTB-2000 | ZTB-2500 | ZTB-3000 | ZTB-3300 | ZTB-5500 | ZTB-Cobra | ZTB-8000 |
|---|---|---|---|---|---|---|---|
| Target Player | Beginning student | Advancing student | Intermediate student | Advanced student / college | Advanced / semi-professional | Professional performer | Professional bass trombonist |
| Key | Bb | Bb | Bb/F | Bb/F | Bb/F | Bb/F | Bb/F/D |
| Type | Standard Trombone | Standard Trombone | F-Attachment Trombone | Large Bore Tenor | Professional Large Bore Tenor | Professional Tenor | Professional Bass Trombone |
| Finish | Brass lacquer | Brass lacquer | Brass lacquer | Brass lacquer | Brass lacquer | Brass lacquer | Brass lacquer |
| Bell Material | Yellow brass | Yellow brass | Yellow brass | Yellow brass | Yellow brass | Yellow brass | Yellow brass |
| Slide Material | Cupronickel inner slide | Cupronickel inner slide | Cupronickel inner & outer slides | Cupronickel inner & outer slides | Cupronickel inner & outer slides | Cupronickel inner & outer slides | Professional large-bore slide |
| Bell Size | 8.0" | 8.0" | 8.0" | 8.5" | 8.66" | 8.5" | 9.5" |
| Bore Size | 0.500" | 0.500" | 0.525" | 0.547" | 0.547" | 0.547" | 0.562" |
| F Attachment | — | — | Yes | Yes | Yes | Yes | Dual Rotary (F & D) |
| Leadpipe | Standard | Standard | Standard | Standard | Standard | Interchangeable (2 included) | Professional design |
| Special Features | Easy-playing student design | Enhanced student model | Open-wrap F attachment | Large bore orchestral design | Large bell for rich projection | Interchangeable leadpipes & professional PC case | Independent F/D attachment for full bass range |
| Case | Lightweight canvas case | Lightweight canvas case | High-grade canvas case | High-grade canvas case | High-grade canvas case | High-grade PC case | High-grade fiberglass case |
| Mouthpiece | Included | Included | Included | Included | Included | Included | Included |
Features
✓ Large .547" symphonic bore for a broad, powerful sound.
✓ 8.5" gold brass bell provides warmth, depth, and projection.
✓ Rose brass leadpipe enhances tonal richness and response.
✓ Nickel-silver slide construction delivers smooth action and durability.
✓ Open-wrap F-attachment allows freer airflow and improved low-register response.
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Specifications
- Tenor Trombone w/F Trigger Rotary Valve
- Key: Bb/F
- Finish: Gold Lacquered (available in Silver)
- Leadpipe: changeable and with one more leadpipe
- Bell: Gold Brass 214mm (8.5")
- Bore: 13.89mm (.547")"
- Wrap: Open
- Inner Slide: Nickel silver
- Outer Slide: Nickel silver
- Professional Hard Shell Case and mouthpiece
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Additional Info
| Key | Bb/F |
|---|---|
| Condition | New |
| SKU | TB-ZO-COBRA |
| Literature | ZO_Trombone_Brochure_2_Page.pdf |
