AudioFu Chart · October 2026

Best Tenor Trombones with F-Attachment for Intermediate 2026

Q: What's the difference between yellow and red brass?

Yellow brass is brighter and more responsive, good for projecting and cutting through a band. Red brass is darker and mellower, often preferred for jazz or more intimate settings. It's a subtle difference, but it affects the overall voicing.

Q: How important is the valve blend?

Hugely important. A bad valve blend will make the low notes feel disconnected and make it difficult to play smoothly. Listen carefully for any noticeable 'jump' when you engage the valve.

Q: I'm worried about the learning curve with the F-attachment. Is it difficult?

It takes some getting used to - your embouchure will need to adjust. Start slowly, focus on intonation in the low register, and don't be afraid to ask your teacher for guidance. It's an investment in your playing.

Q: What about a trigger?

A trigger is a nice-to-have, not a necessity. It gives you even more low-range options, but it also adds another variable to your technique. Focus on mastering the F-attachment first before worrying about triggers.

Q: Can I just upgrade my slide to an F-attachment?

Generally, no. The F-attachment is an integrated system, including the valve and its linkage. Simply bolting on a slide won't achieve a proper blend or intonation. It's a whole horn replacement.

The top pick is Bach 42BO Stradivarius Series Tenor Trombone w/ Open Wrap F… ($5,040). Yamaha YSL-448G Intermediate Bb/F Trombone gives you the most for the money at $2,173. Ranked by the AudioFu Index from 84 models across 17 brands, prices checked every night.

Last updated: October 12, 2026

84models in this chart

17brands

$4,256median price

4price drops since Aug

Narrow the chart

All Tenor Trombones with F-Attachment Showing: For Intermediate · clear

Price

Skill level

Brand

Top 10

Full detail for the 10 highest AudioFu Index scores. Every other model is listed below.

Bach 42BO Stradivarius Series Tenor Trombone w/ Open Wrap F…
42B Bb/F-Tenor Trombone · Bach
23 for sale on Reverb3 finishes at Thomann
- Size8.5"
The 42B is a workhorse – a classic for a reason. It’s got that quintessential Bach tone, powerful and projecting, with a responsive feel that’s fantastic for both orchestral and lead playing. This is a serious instrument for the advanced student or professional who wants a reliable, great-sounding horn.
Pros
- Exceptional projection and resonance thanks to the 8.5in brass bell.
- Traditional wrap offers a responsive, quick-feeling slide action.
- Nickel silver inner slide ensures smooth, reliable operation for years.
Cons
- The traditional wrap design can feel a bit cumbersome for smaller players.
- Premium-priced, representing a significant investment for many trombonists.
79AudioFu
Index
- Demand100
- Lineup71
- Price50
- Specs50
- Maker100
Stableno change since Aug 14
Aug 14$5,040 now

$5,040€4,498 at Thomann · in stock
Check price ↗
Yamaha YSL-448G Intermediate Bb/F Trombone
YSL-448 GE Bb/F-Trombone · Yamaha
12 for sale on Reverb1 finish at Thomann
This 448 GE is a solid, dependable choice for serious student to intermediate players and even professionals looking for a reliable workhorse. The gold brass provides a lovely core tone, and the action is very consistent. It's a great all-around trombone that's ready for band, orchestra, or even some lighter jazz work – just don't expect it to be a free-blowing powerhouse.
Pros
- Gold brass body delivers a warm, resonant, and focused tone.
- The nickel silver slide offers smooth, reliable action and quick response.
- Standard quart valve provides excellent intonation and a stable feel.
Cons
- The gold lacquer can be prone to wear with heavy use and aggressive cleaning.
- The larger bell might feel unwieldy for players with smaller frames.
55AudioFu
Index
- Demand81
- Lineup36
- Price44
- Specs0
- Maker89
↑ 2.2%since Aug 14
$2,127 · Aug 14$2,173 now

$2,173€1,939 at Thomann · in stock
Check price ↗
Bach 36BO Stradivarius Series Tenor Trombone w/ Open Wrap F…
36BO Bb/F-Tenor Trombone · Bach
3 for sale on Reverb1 finish at Thomann
- Size8"
This trombone uses an open wrap slide to feel very direct when you play. The nickel silver inner slide keeps the action smooth, and the F-attachment makes changing keys quick. It comes with a case and mouthpiece, so you have everything needed to start. Great for players who want a solid, traditional feel without extra cost.
Pros
- Open wrap slide design for smooth, direct response
- Dual F-attachment allows easy key changes
- Nickel silver inner slide reduces friction
Cons
- Brass bell may sound brighter than silver
- No weight listed makes shipping hard
50AudioFu
Index
- Demand44
- Lineup36
- Price50
- Specs50
- Maker100
Stableno change since Aug 17
Aug 17$5,040 now

$5,040€4,498 at Thomann · in stock
Check price ↗
B&S MS14-L Bb/F- Trombone
B&S
Not on Reverb yet6 finishes at Thomann
The B&S MS14-L is a truly exceptional trombone, built for the serious student or professional. The hand-crafted construction and high-quality materials combine to produce a rich, resonant tone and effortless action. This model excels in orchestral and solo settings, offering a professional-level instrument with a refined feel and powerful projection.
Pros
- Hand-crafted construction ensures exceptional resonance and responsiveness.
- Red brass bell delivers a warm, focused tone with excellent projection.
- Extended slide pulls provide incredibly smooth, fast action across the range.
Cons
- The red brass bell may require more frequent cleaning to maintain its finish.
- Premium-priced, representing a significant investment for many players.
49AudioFu
Index
- Demand30
- Lineup100
- Price61
- Specs0
- Maker77
↓ 3.6%since Aug 14 · lowest so far
$4,649 · Aug 14$4,481 now

$4,481€3,999 at Thomann · in stock
Check price ↗
Yamaha YSL-446G Intermediate Bb/F Trombone
YSL-446 GE Trombone · Yamaha
6 for sale on Reverb1 finish at Thomann
The YSL-446 GE is a fantastic all-around trombone, particularly well-suited for students and intermediate players looking for a professional feel without the premium price tag. Its responsive gold brass bell and comfortable ML bore make it easy to play, while the quart valve expands its versatility. It’s a solid choice for concert band, jazz ensemble, and general playing.
Pros
- Gold brass bell delivers a warm, responsive, and focused tone.
- ML bore promotes easy playing and a stable intonation across registers.
- Nickel silver slide offers smooth action and reliable performance.
Cons
- Gold brass bell might be too mellow for players seeking a brighter, cutting sound.
- Lacquer finish, while attractive, requires diligent care to prevent wear.
48AudioFu
Index
- Demand61
- Lineup36
- Price50
- Specs0
- Maker89
Stableno change since Aug 14
Aug 14$2,173 now

$2,173€1,939 at Thomann · in stock
Check price ↗
Yamaha YSL-620 Trombone
Yamaha
Not on Reverb yet1 finish at Thomann
- Size8.5"
The Yamaha YSL-620 is a fantastic step-up trombone, offering professional-level playability and sound without the extreme price tag. Its responsive feel and focused tone make it ideal for serious students and gigging professionals looking for a reliable, well-built instrument.
Pros
- Excellent intonation across the range, thanks to precise Yamaha engineering
- Gold brass outer slide offers a warm, responsive feel and tone
- Nickel silver inner slide ensures smooth, reliable action for years
Cons
- The standard weight might be tiring for younger or smaller players
- Gold lacquer finish requires diligent care to prevent discoloration
43AudioFu
Index
- Demand30
- Lineup36
- Price50
- Specs50
- Maker89
Stableno change since Aug 14
Aug 14$3,360 now

$3,360€2,998 at Thomann · in stock
Check price ↗
Yamaha YSL-882 GOII Trombone
Yamaha
Not on Reverb yet3 finishes at Thomann
The YSL-882 GOII is a phenomenal instrument – a real step up in quality. Its Xeno design and gold brass bell create a powerful, focused sound with excellent intonation. It’s perfect for serious student and professional players looking for top-tier performance and reliability.
Pros
- Xeno design offers exceptional responsiveness and projection.
- One-piece gold brass bell delivers a rich, focused tone.
- Resin sleeve improves hand feel and eliminates adjustment needs.
Cons
- Premium-priced, representing a significant investment for many players.
- The open wrap design might lack the darker, more muted tone some prefer.
43AudioFu
Index
- Demand30
- Lineup71
- Price50
- Specs0
- Maker89
Stableno change since Aug 14
Aug 14$4,256 now

$4,256€3,798 at Thomann · in stock
Check price ↗
S.E. Shires TBQ30GR Bb/F Tenor Trombone
S.E. Shires
Not on Reverb yet1 finish at Thomann
- Size8.5"
The TBQ30GR is a serious step up for advanced players and professionals seeking a responsive, dark, and powerful sound. The hand-hammered bell and meticulously crafted slide provide a level of refinement that translates to enhanced musicality. This trombone excels in classical, jazz, and commercial settings where a focused, rich tone is essential.
Pros
- Hand-hammered gold brass bell delivers exceptional projection and warmth.
- The 13.89mm bore promotes a responsive, dark, and powerful tone.
- Soldered rim enhances intonation consistency across the range.
Cons
- The gold brass bell contributes to a heavier instrument overall.
- Premium-priced, representing a significant investment for many players.
42AudioFu
Index
- Demand30
- Lineup36
- Price50
- Specs50
- Maker81
Stableno change since Aug 14
Aug 14$3,529 now

$3,529€3,149 at Thomann · in stock
Check price ↗
S.E. Shires TBQAlessi Bb/F Tenor Trombone
S.E. Shires
Not on Reverb yet1 finish at Thomann
- Size8.5"
This S.E. Shires Alessi Q-Series is a top-tier instrument built for serious players who demand versatility and a refined sound. The ability to swap lead pipes lets you tailor the trombone’s character from bright and focused to warmer and richer—it’s perfect for orchestral, solo, and jazz applications. It's a significant investment, but the quality and playability are undeniable.
Pros
- Alessi’s signature voicing delivers exceptional projection and clarity.
- Interchangeable lead pipes offer remarkable tonal flexibility for diverse musical styles.
- The lightweight brass cup facilitates effortless response and comfortable playing.
Cons
- The premium price point puts it out of reach for many aspiring musicians.
- The open wrap design may not be ideal for players seeking a darker, more muted tone.
42AudioFu
Index
- Demand30
- Lineup36
- Price50
- Specs50
- Maker81
Stableno change since Aug 14
Aug 14$4,144 now

$4,144€3,698 at Thomann · in stock
Check price ↗
Bach TB-450B Bb/F-Trombone
Bach
Not on Reverb yet2 finishes at Thomann
This Bach 450B is a fantastic all-around tenor trombone – a real workhorse. The German craftsmanship delivers a reliable, responsive instrument with a warm, focused tone, making it ideal for students and intermediate players looking to step up their game. It’s a solid choice for orchestral, band, and even some jazz applications.
Pros
- Excellent intonation across the full range, thanks to precise manufacturing.
- The open-wrap design offers a quick, responsive feel for agile playing.
- German-made construction ensures exceptional durability and consistent quality.
Cons
- The heavier build might fatigue players during extended performances.
- The lacquer finish, while attractive, can be prone to wear over time.
41AudioFu
Index
- Demand30
- Lineup56
- Price50
- Specs0
- Maker100
Stableno change since Aug 14
Aug 14$1,859 now

$1,859€1,659 at Thomann · in stock
Check price ↗

All 84 tenor trombones with F-Attachment

Sort

Same index, same nightly prices — compact. Colour options of one model share a row. Tap a photo to zoom.

11
C.G.Conn 88HNV Bb/F-TromboneC.G.Conn

Index 41Stable
41
Stable$4,928€4,398
$4,928€4,398Check ↗
12
Gewa Bb/F-Trombone 242 FG VisionGewa

Index 39Stable
39
Stable$1,960€1,749
$1,960€1,749Check ↗
13
Gewa Bb/F-Trombone 236 FG VisionGewa

Index 39Stable
39
Stable$1,960€1,749
$1,960€1,749Check ↗
14
Gewa Bb/F-Trombone 342 F VisionGewa

Index 39Stable
39
Stable$2,351€2,098
$2,351€2,098Check ↗
15
Jupiter JTB1160FRQ Bb/F TromboneJupiter · 2 finishes

Index 38Stable
38
Stable$2,072€1,849
$2,072€1,849Check ↗
16
Kühnl & Hoyer .527 Bb/F-Tenor Trombone MKühnl & Hoyer · 2 finishes

Index 38↑ 5.9%
38
↑ 5.9%$4,032€3,598
$4,032€3,598Check ↗
17
Kühnl & Hoyer .547 Bb/F- Tenor Trombone GMKühnl & Hoyer · 2 finishes

Index 38↑ 5.6%
38
↑ 5.6%$4,256€3,798
$4,256€3,798Check ↗
18
Schagerl Mnozil Brass TromboneSchagerl

Index 36↓ 0.7%
36
↓ 0.7%$2,303€2,055
$2,303€2,055Check ↗
19
Jupiter JTB710FRQ Bb/F TromboneJupiter

Index 41Stable
41
Stable$1,635€1,459
$1,635€1,459Check ↗
20
Schagerl Mnozil Brass Trombone detach.Schagerl

Index 35Stable
35
Stable$2,554€2,279
$2,554€2,279Check ↗
21
Yamaha YSL-548 GO Bb/F-TromboneYamaha

Index 35Stable
35
Stable$3,135€2,798
$3,135€2,798Check ↗
22
Schagerl Bb/F-Trombone Salzburg GBSchagerl

Index 35Stable
35
Stable$3,338€2,979
$3,338€2,979Check ↗
23
Yamaha YSL-640 TromboneYamaha

Index 35Stable
35
Stable$3,360€2,998
$3,360€2,998Check ↗
24
Schagerl Bb/F-Trombone X-Bone ScrewableSchagerl

Index 35Stable
35
Stable$3,674€3,279
$3,674€3,279Check ↗
25
Schagerl Bb/F-Tromb. Salzburg GB Screw.Schagerl

Index 35Stable
35
Stable$3,787€3,379
$3,787€3,379Check ↗
26
Jupiter JTB1150FRQ Bb/F-Tenor TromboneJupiter · 2 finishes

Index 45Stable
45
Stable$1,455€1,298
$1,455€1,298Check ↗
27
Jupiter JTB1100FRQ Bb/F-Tenor TromboneJupiter

Index 41Stable
41
Stable$1,601€1,429
$1,601€1,429Check ↗
28
Antoine Courtois AC280BO-1-0 Bb/F- Tenor Tromb.Antoine Courtois

Index 34Stable
34
Stable$2,061€1,839
$2,061€1,839Check ↗
29
C.G.Conn 52H Bb/F-Tenor TromboneC.G.Conn

Index 34↑ 26.0%
34
↑ 26.0%$4,134€3,689
$4,134€3,689Check ↗
30
C.G.Conn 88 H Bb/F-Tenor TromboneC.G.Conn

Index 34Stable
34
Stable$4,197€3,745
$4,197€3,745Check ↗
31
Yamaha YSL-356R Tenor Trombone w/ F AttachmentYSL-356 G Bb/F-Trombone · Yamaha · 2 finishes

Index 37↓ 0.9%
37
↓ 0.9%$1,720€1,535
$1,720€1,535Check ↗
32
Sierman STB-865 Tenor TromboneSierman

Index 33Stable
33
Stable$2,127€1,898
$2,127€1,898Check ↗
33
Michael Rath R400 Bb-/F- Tenor TromboneMichael Rath

Index 33↑ 1.9%
33
↑ 1.9%$2,911€2,598
$2,911€2,598Check ↗
34
Michael Rath R300 Bb-/F- Tenor TromboneMichael Rath

Index 33↑ 3.9%
33
↑ 3.9%$2,968€2,649
$2,968€2,649Check ↗
35
B&S 3085B-L Bb/F- TromboneB&S

Index 33↑ 2.0%
33
↑ 2.0%$3,540€3,159
$3,540€3,159Check ↗
36
Sierman STB-960 Tenor TromboneSierman

Index 33Stable
33
Stable$3,575€3,190
$3,575€3,190Check ↗
37
C.G.Conn 88HO Bb/F-Tenor TromboneC.G.Conn · 2 finishes

Index 32↑ 13.4%
32
↑ 13.4%$4,816€4,298
$4,816€4,298Check ↗
38
Thomann AX 547 GL TromboneThomann · 2 finishes

Index 48Stable
48
Stable$1,230€1,098
$1,230€1,098Check ↗
39
Sierman STB-760 Tenor TromboneSierman

Index 33Stable
33
Stable$1,791€1,598
$1,791€1,598Check ↗
40
Thomann Classic TF525 S TromboneThomann · 3 finishes

Index 59Stable
59
Stable$727€649
$727€649Check ↗
41
Adams TB1 Bb/F TromboneAdams

Index 29Stable
29
Stable$5,008€4,469
$5,008€4,469Check ↗
42
C.G.Conn 88HTO Tenor TromboneC.G.Conn

Index 27↑ 15.3%
27
↑ 15.3%$4,907€4,379
$4,907€4,379Check ↗
43
Schagerl Academica Bb/F-Tromb. TP-450GSchagerl

Index 31↑ 10.9%
31
↑ 10.9%$1,613€1,439
$1,613€1,439Check ↗
44
Thomann proBONE 4 GM Bb-/F-Tenor TrombThomann

Index 44Stable
44
Stable$1,086€969
$1,086€969Check ↗
45
Thomann proBONE 4 M Bb-/F-Tenor TrombThomann

Index 44Stable
44
Stable$1,063€949
$1,063€949Check ↗
46
Thomann Trombone "Little Elephant"Thomann

Index 52Stable
52
Stable$670€598
$670€598Check ↗
47
Thomann proBONE 2 M Bb-/F-TenorThomann

Index 37Stable
37
Stable$1,118€998
$1,118€998Check ↗
48
Thomann proBONE 2 GM Bb-/F-TenorThomann

Index 37Stable
37
Stable$1,118€998
$1,118€998Check ↗
49
Thomann Classic TF547 S TromboneThomann · 4 finishes

Index 46Stable
46
Stable$750€669
$750€669Check ↗
50
Bach LT 42AG Bb/F-Tenor Trombone RHBach · 4 finishes

Index 61↓ 16.1%
61
↓ 16.1%$5,825€5,198
$5,825€5,198Check ↗
51
Sierman STB-665 Tenor TromboneSierman

Index 33Stable
33
Stable$1,118€998
$1,118€998Check ↗
52
Sierman STB-560 Tenor TromboneSierman

Index 33Stable
33
Stable$997€890
$997€890Check ↗
53
Bach 42AF AxialBach

Index 50↓ 13.4%
50
↓ 13.4%$5,601€4,998
$5,601€4,998Check ↗
54
Bach A47I Artisan "Infinity"Bach · 2 finishes

Index 47↑ 3.2%
47
↑ 3.2%$7,282€6,498
$7,282€6,498Check ↗
55
Startone PTB-20 Bb/F- Trombone GoldStartone · 5 finishes

Index 45Stable
45
Stable$201€179
$201€179Check ↗
56
Michael Rath R4F Tenor VoigtMichael Rath · 2 finishes

Index 46Stable
46
Stable$5,658€5,049
$5,658€5,049Check ↗
57
Michael Rath R3F Tenor Trombone NSMichael Rath · 2 finishes

Index 46Stable
46
Stable$6,161€5,498
$6,161€5,498Check ↗
58
Bach LT 36BG Bb/F-Tenor TromboneBach

Index 44Stable
44
Stable$5,489€4,898
$5,489€4,898Check ↗
59
Michael Rath R6 Tenor TromboneMichael Rath

Index 42Stable
42
Stable$5,825€5,198
$5,825€5,198Check ↗
60
S.E. Shires TBAlessi Bb/F Tenor TromboneS.E. Shires

Index 42Stable
42
Stable$8,178€7,298
$8,178€7,298Check ↗
61
Schagerl Bb/F- Trombone AuroraSchagerl · 2 finishes

Index 40Stable
40
Stable$6,196€5,529
$6,196€5,529Check ↗
62
Antoine Courtois AC424BXA Bb/F- Tenor TromboneAntoine Courtois · 2 finishes

Index 38Stable
38
Stable$7,618€6,798
$7,618€6,798Check ↗
63
Antoine Courtois AC421BHRA Bb/F- Tenor TromboneAntoine Courtois · 2 finishes

Index 38Stable
38
Stable$7,821€6,979
$7,821€6,979Check ↗
64
Kühnl & Hoyer Slokar F Performance OpenKühnl & Hoyer

Index 37Stable
37
Stable$5,882€5,249
$5,882€5,249Check ↗
65
Kühnl & Hoyer Bolero F 8er M Style HagmannKühnl & Hoyer

Index 37Stable
37
Stable$6,666€5,949
$6,666€5,949Check ↗
66
Kühnl & Hoyer Bb/F-Trombone Solaris FXKühnl & Hoyer

Index 37Stable
37
Stable$6,721€5,998
$6,721€5,998Check ↗
67
Kühnl & Hoyer Bolero F/ Large GoldbrassKühnl & Hoyer

Index 36↑ 2.2%
36
↑ 2.2%$5,322€4,749
$5,322€4,749Check ↗
68
Kühnl & Hoyer Bolero F "Open Flow"Kühnl & Hoyer

Index 36↑ 2.0%
36
↑ 2.0%$5,601€4,998
$5,601€4,998Check ↗
69
Kühnl & Hoyer Bolero sonor Bb/F-TromboneKühnl & Hoyer

Index 36↑ 1.8%
36
↑ 1.8%$6,161€5,498
$6,161€5,498Check ↗
70
Kühnl & Hoyer Bolero F 8er GM Style HagmannKühnl & Hoyer

Index 36↑ 1.8%
36
↑ 1.8%$6,273€5,598
$6,273€5,598Check ↗
71
Schagerl Bb/F- Trombone FontanaSchagerl

Index 35Stable
35
Stable$6,196€5,529
$6,196€5,529Check ↗
72
Schagerl Bb/F- Trombone KISSBONE XSchagerl

Index 35Stable
35
Stable$6,721€5,998
$6,721€5,998Check ↗
73
S.E. Shires 2R-VE TB-VE T47YC Dual BoreS.E. Shires

Index 35Stable
35
Stable$7,282€6,498
$7,282€6,498Check ↗
74
S.E. Shires Solo Model Trombone detach.S.E. Shires

Index 35Stable
35
Stable$7,842€6,998
$7,842€6,998Check ↗
75
Kühnl & Hoyer Bolero F Hagmann ValveKühnl & Hoyer

Index 34↑ 5.7%
34
↑ 5.7%$6,273€5,598
$6,273€5,598Check ↗
76
Kühnl & Hoyer Bolero F "Open Flow" detach.Kühnl & Hoyer

Index 34↑ 4.8%
34
↑ 4.8%$7,282€6,498
$7,282€6,498Check ↗
77
Antoine Courtois AC423BHR-1-0 Bb/F- Tenor TrombAntoine Courtois

Index 34Stable
34
Stable$7,842€6,998
$7,842€6,998Check ↗
78
Edwards T-350-HB Oft Tenor TromboneEdwards · 2 finishes

Index 34↑ 4.8%
34
↑ 4.8%$8,392€7,489
$8,392€7,489Check ↗
79
S.E. Shires Solo Model TromboneS.E. Shires

Index 33↑ 4.7%
33
↑ 4.7%$7,506€6,698
$7,506€6,698Check ↗
80
Kühnl & Hoyer Bart van Lier .512 FKühnl & Hoyer

Index 32↑ 9.8%
32
↑ 9.8%$5,467€4,879
$5,467€4,879Check ↗
81
Edwards T-396AR Tenor TromboneEdwards

Index 31↑ 2.2%
31
↑ 2.2%$8,336€7,439
$8,336€7,439Check ↗
82
Willson TAW411RBL Bb/F Tenor TromboneWillson

Index 29Stable
29
Stable$5,591€4,989
$5,591€4,989Check ↗
83
S.E. Shires CHI TB-CH TB47NLW Axial SetS.E. Shires

Index 20↑ 1.6%
20
↑ 1.6%$7,282€6,498
$7,282€6,498Check ↗
84
S.E. Shires 2RVE TW47G True Bore SetS.E. Shires

Index 20↑ 1.5%
20
↑ 1.5%$7,506€6,698
$7,506€6,698Check ↗

Tenor Trombones with F-Attachment by the numbers

Measured across all 120 models we track, not a sample.

Price distribution

Median $4,256 — half of all tenor trombones with F-Attachment here cost less.

<$200$200–400$400–750$750–1.5k$1.5k–3k$3k–7.5k$7.5k+

Size8.5"

median of 35 models · 5"–8.5"

Weight1.45 kg

median of 6 models · 1.1 kg–1.72 kg

How to choose the best tenor trombones with F-Attachment

Playability

A smooth action and responsive valve blend are essential for intermediate players tackling more complex passages. A stiff valve or a sluggish slide will just build frustration and bad habits.

Valve Blend

The F-attachment's valve blend needs to be seamless - no noticeable "step" between the slide and the valve. A poorly integrated valve can make low-register playing feel awkward and compromise intonation.

Tone Quality

We're looking for a warm, resonant tone with good projection, avoiding anything overly bright or muffled. You need something that cuts through a big band without sounding harsh - that 'fat midrange honk' is what we're after.

Construction & Materials

Brass is standard, but the alloy makes a difference. Yellow brass generally offers a brighter, more responsive feel, while red brass tends to be darker and more mellow. Look for a well-finished horn, free from blemishes or sharp edges.

Intonation

Consistent intonation across all registers is vital. A trombone that's consistently sharp or flat requires constant adjustment, which is a massive time-waster and can make it hard to play in tune with others.

Buying guide

So, you're past the beginner stuff and ready to add an F-attachment to your tenor trombone arsenal? Smart move. It opens up a whole new world of low notes and blending options, but choosing the right horn is crucial - a poorly matched trombone can actually hinder your progress. This list focuses on trombones that'll give you the extra reach without completely destroying your chops or your budget.

At this level, you're past the super-cheap student horns, but you're not quite ready for a custom Conn or Bach. Expect to spend somewhere between $600 and $1500. Beware of horns that promise the world at a low price - they almost always cut corners somewhere, usually in the valve integration or the overall build quality.

Don't be afraid to try before you buy - a trombone is a very personal instrument.

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

What's the difference between yellow and red brass?

Yellow brass is brighter and more responsive, good for projecting and cutting through a band. Red brass is darker and mellower, often preferred for jazz or more intimate settings. It's a subtle difference, but it affects the overall voicing.

How important is the valve blend?

Hugely important. A bad valve blend will make the low notes feel disconnected and make it difficult to play smoothly. Listen carefully for any noticeable 'jump' when you engage the valve.

I'm worried about the learning curve with the F-attachment. Is it difficult?

It takes some getting used to - your embouchure will need to adjust. Start slowly, focus on intonation in the low register, and don't be afraid to ask your teacher for guidance. It's an investment in your playing.

What about a trigger?

A trigger is a nice-to-have, not a necessity. It gives you even more low-range options, but it also adds another variable to your technique. Focus on mastering the F-attachment first before worrying about triggers.

Can I just upgrade my slide to an F-attachment?

Generally, no. The F-attachment is an integrated system, including the valve and its linkage. Simply bolting on a slide won't achieve a proper blend or intonation. It's a whole horn replacement.