# What are some trombones with unique features like F-attachment or compensating valves? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are some trombones with unique features like F-attachment or compensating valves?

## Products

### Jupiter JTB1150F Performance Series F-Attachment Trombone
```yaml
product: jupiter-jtb1150f-performance-series-f-attachment-trombone
brand: Jupiter
price_gbp: 1656.16
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Jupiter
model: JTB1150F
bore_size: .547 in
valve_type: Mechanical-Link Tapered Rotary Valve
slide_material: Nickel Silver
```

- **Price:** £1656.16 [^1]
- **Summary:** The Jupiter JTB1150F is an intermediate large-bore tenor trombone with a traditional F-attachment, yellow brass bell, and nickel-silver outer handslide. Its free-blowing design, case, and mouthpiece make it suitable for advancing players, educators, and serious students.
- **Ideal For:** This model suits players seeking a trombone with unique features because it combines a .547 in large bore with a traditional F-attachment operated by a mechanical-link tapered rotary valve.
- **Additional Sources:** [^2], [^3]

### Mack Brass TB810L Tenor Trombone with F Attachment
```yaml
product: mack-brass-tb810l-tenor-trombone-with-f-attachment
brand: Mack Brass
price_gbp: 662.07
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Mack Brass
model: TB810L
bore_size: large .547 in
slide_material: Nickel silver
```

- **Price:** £662.07 [^4]
- **Summary:** The Mack Brass TB810L is a professional-style Bb/F tenor trombone with a large .547 in bore, gold brass bell, lacquer finish, and nickel silver inner slide. It suits students, advancing players, amateurs, and professionals seeking an affordable instrument for orchestral, big band, solo, or doubling use.
- **Ideal For:** This trombone specifically suits players seeking unique features because it includes an F attachment and a large .547 in bore for expanded low-register range and a fuller tenor trombone sound.

### Blessing BTB-88-O Series F Attachment Trombone
```yaml
product: blessing-btb-88-o-series-f-attachment-trombone
brand: Blessing
price_gbp: 998.64
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Blessing
model: BTB-88-O
weight: 0.1 kg
bore_size: 0.547in
valve_type: Traditional F rotor
slide_material: Nickel silver
```

- **Price:** £998.64 [^5]
- **Summary:** The Blessing BTB-88-O is a large-bore Bb/F trombone with an open-wrap F attachment designed for a full sound and freer airflow. Its nickel-silver slide and traditional F rotor make it suitable for advancing students, educators, and players seeking a professional-style instrument at a lower price.
- **Ideal For:** This trombone specifically suits players seeking unique features because it combines a 0.547in large bore with an open-wrap F attachment and traditional F rotor for freer-blowing low-register access.

### S.E. Shires Q36Y Q Series Professional Bass Trombone with Axial-Flow Valves
```yaml
product: s-e-shires-q36y-q-series-professional-bass-trombone-with-axial-flow-valves
brand: S.E. Shires
price_gbp: 4434.74
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: S.E. Shires
model: Q36YA
bore_size: .562 in
valve_type: Independent F/Gb axial-flow valves
slide_material: Standard-weight yellow brass with nickel-silver crook
```

- **Price:** £4434.74 [^6]
- **Summary:** The S.E. Shires Q36YA is a professional bass trombone with a broad .562 in handslide, hand-hammered yellow brass bell, and independent axial-flow valves. Its open low register, strong projection, and flexible valve system suit advanced students, orchestral musicians, wind ensembles, and professional performers.
- **Ideal For:** This model specifically suits players seeking unique trombone features because it combines independent F/Gb axial-flow valves with a .562 in yellow-brass slide for flexible alternate positions and an open low register.
- **Additional Sources:** [^7], [^8]

### Antoine Courtois Paris AC421BH New York Series F-Attachment Trombone with Hagmann Valve
```yaml
product: antoine-courtois-paris-ac421bh-new-york-series-f-attachment-trombone-with-hagmann-valve
brand: Antoine Courtois Paris
price_gbp: 5146.37
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Antoine Courtois Paris
model: AC421BH New York Series F-Attachment Trombone with Hagmann Valve
weight: Standard
bore_size: 0.547in
valve_type: Hagmann
slide_material: Yellow brass with extrusions
```

- **Price:** £5146.37 [^9]
- **Summary:** This professional Bb/F trombone features a large 0.547in bore, an open-wrap F-attachment, and a Hagmann valve for smooth airflow and easy register transitions. Its hand-hammered one-piece bell and yellow-brass slide suit advanced players performing in orchestral, recording, and live settings.
- **Ideal For:** This trombone specifically suits players seeking unique F-attachment features because its open-wrap design and Hagmann valve provide smooth airflow, while the 0.547in large bore supports a broad, powerful tone.
- **Additional Sources:** [^10], [^11]

### Bach 50A3 Stradivarius Series Professional Open Wrap Bass Trombone with Double Hagmann Valves
```yaml
product: bach-50a3-stradivarius-series-professional-open-wrap-bass-trombone-with-double-hagmann-valves
brand: Bach
price_gbp: 5636.82
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Bach
model: 50A3
weight: 27.8 lb
bore_size: .562 in
valve_type: Double in-line independent rotor
slide_material: Yellow brass outer slide
```

- **Price:** £5636.82 [^12]
- **Summary:** The Bach 50A3 is a professional bass trombone with a large .562 in bore, open-wrap F/Gb attachments, and double independent Hagmann rotors. Its yellow brass bell and slide are suited to advanced players performing in symphonic, solo, and other demanding settings.
- **Ideal For:** This model specifically suits players seeking unique trombone features because it combines open-wrap F/Gb attachments with double in-line independent Hagmann valves and a large .562 in bore.
- **Additional Sources:** [^13], [^14]

---
## References & Sources
[^1]: Music & Arts, accessed 2026-09-13. https://www.musicarts.com/jupiter-jtb1150f-performance-series-f-attachment-trombone-main0138199
[^2]: Ted Brown Music, accessed 2026-09-13. https://tedbrownmusic.com/jupiter-jtb1150f-performance-tenor-trombone-with-f-attachment
[^3]: Guitar Center, accessed 2026-09-13. https://www.guitarcenter.com/Jupiter/JTB1150F-Performance-Series-F-Attachment-Trombone-Silver-plated-Yellow-Brass-Bell-1500000435802.gc
[^4]: Mack Brass, accessed 2026-09-13. https://mackbrass.com/tb810l-tenor-trombone
[^5]: Jim Laabs Music Store, accessed 2026-09-13. https://jimlaabsmusicstore.com/store/blessing-btb-88-o-series-f-attachment-trombone/
[^6]: Music & Arts, accessed 2026-09-13. https://www.musicarts.com/se-shires-model-q36y-q-series-professional-bass-trombone-with-axial-flow-valves-main0537812
[^7]: Guitar Center, accessed 2026-09-13. https://www.guitarcenter.com/SE-SHIRES/Model-Q36Y-Q-Series-Professional-Bass-Trombone-with-Axial-Flow-Valves-Lacquer-Gold-Brass-Bell-1500000432977.gc
[^8]: Bob Reeves Brass, accessed 2026-09-13. https://trumpetmouthpiece.com/products/s-e-shires-q-series-bass-trombone-yellow-brass-bell-w-axial-valves-tbq36ya
[^9]: Music & Arts, accessed 2026-09-13. https://www.musicarts.com/brass-instruments/brand/antoine-courtois-paris
[^10]: Musician's Friend, accessed 2026-09-13. https://www.musiciansfriend.com/brass-instruments/antoine-courtois-paris-ac421bh-new-york-series-f-attachment-trombone-with-hagmann-valve/m13435000001001
[^11]: Guitar Center, accessed 2026-09-13. https://www.guitarcenter.com/Antoine-Courtois-Paris/AC421BH-New-York-Series-F-Attachment-Trombone-with-Hagmann-Valve-Lacquer-Rose-Brass-Bell-1500000433957.gc
[^12]: Music & Arts, accessed 2026-09-13. https://www.musicarts.com/bach-50a3-stradivarius-series-professional-open-wrap-bass-trombone-with-double-hagmann-valves-main0539963
[^13]: John Packer, accessed 2026-09-13. https://johnpacker.co.uk/products/bach-50a3-stradivarius-bass-trombone-bbfg-lacquer
[^14]: Adams Music, accessed 2026-09-13. https://www.adams-music.shop/en/trombone/bass/new/vincent_bach_50a3