AudioFu Chart · October 2026
Best Tenor Trombones with F-Attachment for Advanced 2026
The top pick is Bach 42BO Stradivarius Series Tenor Trombone w/ Open Wrap F… ($5,937). Ranked by the AudioFu Index from 84 models across 17 brands, prices checked every night.
Last updated: October 20, 2026
Top 10
Full detail for the 10 highest AudioFu Index scores. Every other model is listed below.
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Bach 42BO Stradivarius Series Tenor Trombone w/ Open Wrap F…
42BOG Bb/F-Tenor Trombone · Bach
19 for sale on Reverb3 finishes at Thomann
- Size8.5"
This trombone feels like a well-built workhorse for players who want a bright sound. The open-wrap slide moves smoothly, and the F-attachment makes reaching high notes much easier. It comes with a mouthpiece and a nice case, so you have everything you need right away. Perfect for musicians who want a reliable, high-end instrument without extra hassle.
Pros
- Open-wrap design allows for smooth slide movement
- Gold brass bell adds rich harmonic brightness
- Includes mouthpiece and deluxe case out of the box
Cons
- No weight listed for potential balance concerns
- Nickel silver inner slide may wear faster than gold
79AudioFu
IndexStableno change since Aug 17Aug 17$5,937 now$5,937€5,289 at Thomann · in stockCheck price ↗ -
- Size8.5"
This A47I Artisan 'Infinity' is a serious instrument built for the advanced player. The unique Infinity valve and hand-hammered bell combine to produce a powerful, resonant sound with incredible response. It’s ideal for orchestral players and soloists who demand the highest level of performance and are willing to invest in a truly exceptional horn.
Pros
- Infinity valve offers exceptionally smooth, responsive action minimizing resistance.
- Hand-hammered bell delivers a rich, focused tone with surprising projection.
- Modular system allows for fine-tuning of slide and valve adjustments.
Cons
- The open-wrap design might be overly bright for some players’ preferences.
- Premium-priced, representing a significant investment for most trombonists.
48AudioFu
IndexStableno change since Aug 17Aug 17$7,294 now$7,294€6,498 at Thomann · in stockCheck price ↗ -
- Size8.5"
This is a truly exceptional instrument, built for the serious trombonist who demands the very best. The Alessi model offers a remarkable blend of responsiveness, projection, and versatility thanks to the open wrap and thoughtfully designed components – perfect for soloists and section leaders wanting a refined and powerful sound.
Pros
- Hand-hammered cup delivers exceptional responsiveness and tonal complexity
- Non-soldered bell rim promotes free vibration and enhanced projection
- Open wrap design provides effortless airflow and a powerful, resonant sound
Cons
- Premium-priced, representing a significant investment for most players
- The lightweight construction, while desirable, may feel less stable for some
42AudioFu
IndexStableno change since Aug 17Aug 17$8,192 now$8,192€7,298 at Thomann · in stockCheck price ↗ -
- Size8.5"
This 88HCL is a serious instrument built for the demanding orchestral or freelance player. The CL 2000 valve makes a real difference in responsiveness, and the gunmetal bell delivers a powerful, focused sound. It's a beautifully crafted trombone that offers a professional-level playing experience.
Pros
- Gunmetal bell provides a rich, resonant, and projecting tone.
- CL 2000 valve offers noticeably faster response and improved intonation.
- Open wrap design enhances airflow, facilitating effortless playing.
Cons
- The .547in bore might feel a bit tight for some players.
- Premium-priced, representing a significant investment for many trombonists.
45AudioFu
IndexStableno change since Aug 17Aug 17$6,396 now$6,396€5,698 at Thomann · in stockCheck price ↗ -
The Aurora R is a seriously refined instrument, designed with input from a top-tier professor. It’s ideal for advanced students and professional players seeking a focused, responsive sound and effortless action – especially those who appreciate a warmer tonal palette. This trombone is built to perform at a high level.
Pros
- Guiliano Rizzotto’s design delivers exceptional responsiveness and projection.
- 220mm gold brass bell provides a rich, warm, and focused tone.
- Schagerl’s Aurora slide construction ensures smooth, consistent action.
Cons
- The premium price point places it beyond many student or intermediate players.
- The gold brass bell may require more frequent cleaning to prevent tarnish.
40AudioFu
IndexStableno change since Aug 17Aug 17$6,644 now$6,644€5,919 at Thomann · in stockCheck price ↗ -
Antoine Courtois AC424BXA Bb/
F- Tenor Trombone Not on Reverb yet2 finishes at Thomann
The AC424BXA is a serious instrument built for the advanced player or professional. It’s got a fantastic, focused sound with excellent projection, and the Florida model’s design is clearly intended to deliver a responsive and reliable playing experience—perfect for orchestral and solo work where precision and a rich tone are paramount.
Pros
- Exceptional projection and resonance thanks to the Vibra Bell design.
- The 'X' bracing offers remarkable stability and response across the range.
- Joël Vaïsse’s input delivers a refined, professional feel and playability.
Cons
- The conical bore might feel restrictive for players accustomed to more open designs.
- Premium-priced, making it a significant investment for most players.
38AudioFu
IndexStableno change since Aug 17Aug 17$7,631 now$7,631€6,798 at Thomann · in stockCheck price ↗ -
Antoine Courtois AC421BHRA Bb/
F- Tenor Trombone Not on Reverb yet2 finishes at Thomann
The AC421BHRA is a truly exceptional instrument – a serious step up for advanced players and professionals. Its hand-hammered bell and Hagmann valve system combine to produce a rich, focused tone with incredible response, making it a superb choice for orchestral and solo work. This trombone is built to last and perform at the highest level.
Pros
- Hand-hammered bell delivers exceptional resonance and projection
- Hagmann valve system provides incredibly responsive and accurate intonation
- Cylindrical bore promotes a focused, darker tone ideal for classical playing
Cons
- Premium-priced, making it a significant investment for most players
- The heavier construction may be fatiguing for younger or smaller players
38AudioFu
IndexStableno change since Aug 17Aug 17$7,834 now$7,834€6,979 at Thomann · in stockCheck price ↗ -
- Size8"
This Rath R3F Andy Hunter is a serious instrument built for players seeking a focused, powerful sound with exceptional response. The Andy Hunter voicing really shines in classical and jazz settings, offering a refined tone and incredible control. It’s a top-tier choice for advanced students and professionals who prioritize a high-quality, responsive instrument.
Pros
- Exceptional projection and resonance thanks to the nickel silver bell.
- Andy Hunter voicing delivers a remarkably responsive and controlled sound.
- Heavy Hagmann valve ensures smooth, quick action and reliable tuning.
Cons
- Premium-priced, representing a significant investment for many players.
- The 8-inch bell might feel slightly large for smaller players’ hands.
46AudioFu
IndexStableno change since Aug 17Aug 17$6,284 now$6,284€5,598 at Thomann · in stockCheck price ↗ -
- Size8.5"
This is a serious instrument for the advanced tenor trombone player—or someone aspiring to be. The Hagmann valve and gold brass bell combination really sings, providing a remarkably responsive and powerful sound. It’s a professional-grade horn built for precision and endurance, ideal for orchestral, solo, and lead performance roles.
Pros
- Hagmann valve delivers exceptional intonation and response across registers
- Gold brass bell produces a rich, resonant, and powerful tone
- LT lightweight slide offers smooth, fast action with minimal effort
Cons
- Premium-priced, making it a significant investment for most players
- LT slide, while lightweight, may feel less substantial to some
54AudioFu
IndexStableno change since Aug 17Aug 17$5,835 now$5,835€5,198 at Thomann · in stockCheck price ↗ -
This trombone shines with a bright, radiant sound and stays perfectly in tune thanks to its special slide design. The open flow valve makes breathing easier while the gold brass bell adds a warm glow to the tone. It suits players who want a classic, reliable instrument without extra electronics.
Pros
- Open flow valve creates smooth air response
- Asymmetrical tuning slide gives unique tone
- Radiant tone with perfect intonation guaranteed
Cons
- Heavy brass construction adds weight
- No electronic controls or pickups
37AudioFu
IndexStableno change since Aug 30Aug 30$6,733 now$6,733€5,998 at Thomann · in stockCheck price ↗
All 84 tenor trombones with F-Attachment
Same index, same nightly prices — compact. Colour options of one model share a row. Tap a photo to zoom.
- 11
Kühnl & Hoyer Bolero F "Open Flow" detach.Kühnl & Hoyer37Stable$7,294€6,498$7,294€6,498Check ↗
- 12
Edwards T-350 E 321CF22G/T-STDNEdwards · 2 finishes36Stable$7,576€6,749$7,576€6,749Check ↗
- 13
Kühnl & Hoyer Bolero F 8er M Style HagmannKühnl & Hoyer37Stable$6,678€5,949$6,678€5,949Check ↗
- 14
Schagerl Bb/F- Trombone KISSBONE XSchagerl35Stable$6,733€5,998$6,733€5,998Check ↗
- 15
S.E. Shires 2R-VE TB-VE T47YC Dual BoreS.E. Shires35Stable$7,294€6,498$7,294€6,498Check ↗
- 16
S.E. Shires Solo Model TromboneS.E. Shires35Stable$7,519€6,698$7,519€6,698Check ↗
- 17
S.E. Shires Solo Model Trombone detach.S.E. Shires35Stable$7,855€6,998$7,855€6,998Check ↗
- 18
Antoine Courtois AC423BHR-1-0 Bb/F- Tenor TrombAntoine Courtois34Stable$7,855€6,998$7,855€6,998Check ↗
- 19
Edwards T-396AR Tenor TromboneEdwards32Stable$8,350€7,439$8,350€7,439Check ↗
- 20
Kühnl & Hoyer Bolero F 8er GM Style HagmannKühnl & Hoyer37Stable$6,284€5,598$6,284€5,598Check ↗
- 21
Kühnl & Hoyer Bolero F Hagmann ValveKühnl & Hoyer37Stable$6,284€5,598$6,284€5,598Check ↗
- 22
B&S MS14IK-L Bb/F-TromboneB&S · 6 finishes47Stable$5,723€5,098$5,723€5,098Check ↗
- 23
Kühnl & Hoyer Bolero sonor Bb/F-TromboneKühnl & Hoyer37Stable$6,172€5,498$6,172€5,498Check ↗
- 24
Michael Rath R4F Tenor VoigtMichael Rath · 2 finishes46Stable$5,668€5,049$5,668€5,049Check ↗
- 25
Schagerl Bb/F- Trombone FontanaSchagerl35Stable$6,206€5,529$6,206€5,529Check ↗
- 26
Michael Rath R6 Tenor TromboneMichael Rath42Stable$5,835€5,198$5,835€5,198Check ↗
- 27
Bach 42AF AxialBach44Stable$5,610€4,998$5,610€4,998Check ↗
- 28
Kühnl & Hoyer Slokar F Performance OpenKühnl & Hoyer37Stable$5,892€5,249$5,892€5,249Check ↗
- 29
S.E. Shires CHI TB-CH TB47NLW Axial SetS.E. Shires21Stable$7,294€6,498$7,294€6,498Check ↗
- 30
S.E. Shires 2RVE TW47G True Bore SetS.E. Shires21Stable$7,519€6,698$7,519€6,698Check ↗
- 31
Bach LT 36BG Bb/F-Tenor TromboneBach44Stable$5,498€4,898$5,498€4,898Check ↗
- 32
Kühnl & Hoyer Bolero F "Open Flow"Kühnl & Hoyer37Stable$5,610€4,998$5,610€4,998Check ↗
- 33
Kühnl & Hoyer Bart van Lier .512 FKühnl & Hoyer37Stable$5,477€4,879$5,477€4,879Check ↗
- 34
Kühnl & Hoyer Bolero F/ Large GoldbrassKühnl & Hoyer37Stable$5,331€4,749$5,331€4,749Check ↗
- 35
Willson TAW411RBL Bb/F Tenor TromboneWillson29Stable$5,600€4,989$5,600€4,989Check ↗
- 36
Thomann Classic TF525 S TromboneThomann · 3 finishes59Stable$729€649$729€649Check ↗
- 37
Yamaha YSL-448G Intermediate Bb/F TromboneYSL-448 GE Bb/F-Trombone · Yamaha57Stable$2,177€1,939$2,177€1,939Check ↗
- 38
Thomann Trombone "Little Elephant"Thomann52Stable$671€598$671€598Check ↗
- 39
Thomann AX 547 L TromboneThomann · 2 finishes51↓ 4.9%$1,065€949$1,065€949Check ↗
- 40
Bach 36BO Stradivarius Series Tenor Trombone w/ Open Wrap F…36BO Bb/F-Tenor Trombone · Bach51Stable$5,049€4,498$5,049€4,498Check ↗
- 41
Yamaha YSL-446G Intermediate Bb/F TromboneYSL-446 GE Trombone · Yamaha49Stable$2,177€1,939$2,177€1,939Check ↗
- 42
Thomann Classic TF547 L TromboneThomann · 4 finishes46Stable$583€519$583€519Check ↗
- 43
Startone PTB-20 Bb/F- Trombone OrangeStartone · 5 finishes45Stable$156€139$156€139Check ↗
- 44
Jupiter JTB1150FRQ Bb/F-Tenor TromboneJupiter · 2 finishes45Stable$1,457€1,298$1,457€1,298Check ↗
- 45
Thomann proBONE 4 M Bb-/F-Tenor TrombThomann44Stable$1,065€949$1,065€949Check ↗
- 46
Thomann proBONE 4 GM Bb-/F-Tenor TrombThomann44Stable$1,088€969$1,088€969Check ↗
- 47
Yamaha YSL-620 TromboneYamaha43Stable$3,365€2,998$3,365€2,998Check ↗
- 48
Yamaha YSL-882 GOII TromboneYamaha · 3 finishes43Stable$4,263€3,798$4,263€3,798Check ↗
- 49
S.E. Shires TBQ30GR Bb/F Tenor TromboneS.E. Shires42Stable$3,535€3,149$3,535€3,149Check ↗
- 50
S.E. Shires TBQAlessi Bb/F Tenor TromboneS.E. Shires42Stable$4,151€3,698$4,151€3,698Check ↗
Tenor Trombones with F-Attachment by the numbers
Measured across all 120 models we track, not a sample.
Median $4,263 — half of all tenor trombones with F-Attachment here cost less.
median of 35 models · 5"–8.5"
median of 6 models · 1.1 kg–1.72 kg
How to choose the best tenor trombones with F-Attachment
Response & Articulation
Advanced players need instant, clean articulation across the entire range. A sluggish response kills your chops and makes complex passages a nightmare. We're looking for horns that let you whisper and roar with equal ease.
Intonation Stability
F-attachments can introduce intonation quirks if not properly engineered. We're evaluating how consistently the horn plays in tune across the register, particularly in the lower range where the F-attachment is most impactful.
Valve Action & Blend
Smooth, consistent valve action is crucial for quick passages and subtle dynamics. The valve blend needs to integrate seamlessly with the open tones - no jarring transitions, just a smooth, unified sound.
Hand Feel & Ergonomics
The neck profile, brace height, and overall balance dramatically impact playability. A horn that feels awkward or fatiguing will hinder your progress and performance. We're prioritizing comfort and control.
Timbral Complexity & Projection
It's not just about volume; it's about what you're projecting. We're looking for horns that offer a full spectrum of tonal colors - a warm low end, a focused mid-range, and a controlled high end - that cut through the mix without sounding harsh.
Buying guide
Alright, let's talk tenor bones with the F-attachment. You're not a beginner anymore; you're chasing nuance, need serious response across the range, and you're probably tired of horns that feel like wrestling a walrus. The F-attachment opens up low range possibilities and changes the overall voicing - it's not just a gimmick, but it does demand a higher level of control. This list is for players who know the difference between a good horn and one that lets you really speak through it.
Don't chase the flashiest name. Entry-level F-attachment horns often compromise on valve quality and bracing, leading to intonation issues and a sluggish feel. The real upgrade comes from the overall design and craftsmanship, not just the addition of an F.
Be prepared to spend - a truly responsive and reliable horn isn't cheap, but it's an investment in your musicality.
How the AudioFu Index works
Five measured signals and nothing else — no stars from strangers, no “tested by experts” we didn’t do. The weights are fixed and public. We don’t play these instruments; we measure the market around them.
This chart covers 120 tenor trombones with F-Attachment from the Thomann catalogue. Before you buy, read hands-on reviews and, where you can, play it. Full methodology.
AudioFu earns a commission when you buy through our Thomann links. It never changes the order — the index does.
- Demand40%
How many of this exact model are for sale on Reverb right now — what musicians actually buy and resell.
- Lineup20%
How many finishes Thomann stocks — makers expand the models that sell.
- Price15%
Where the price has moved since we started tracking in August.
- Specs15%
How completely the maker documents it.
- Maker10%
How deep the brand’s range is in this category.
Questions
Is an F-attachment horn harder to play than a non-F?
Generally, yes. The extra length and the altered harmonics require more breath support and precise embouchure control. It's a learning curve, but the tonal rewards are worth it if you're serious.
What's the difference between a 'warm' and 'bright' F-attachment horn?
'Warm' generally means a darker, richer tone with more low-end thump, often achieved with a larger bore. 'Bright' implies a more focused, projecting sound with a more immediate response, but can sometimes lack depth.
Can I just add an F-attachment to a standard tenor trombone?
Technically, yes, but it's rarely a good idea. The altered harmonics and increased length often lead to intonation problems and a compromised feel. It's best to buy a horn designed specifically with the F-attachment.
What's the best mouthpiece for an F-attachment tenor trombone?
It depends on your playing style, but generally, a slightly darker, more open mouthpiece will complement the F-attachment's extended range and richer tone. Experiment - a 12C or 11.5C are good starting points.
I'm struggling with low range intonation on my F-attachment. What can I do?
Check your slide alignment, ensure your embouchure is stable, and experiment with breath support. Sometimes, a slight adjustment to the valve oil or a different mouthpiece can make a difference. If all else fails, it might indicate an issue with the horn's construction.
