AudioFu Chart · October 2026
Best Sierman Tenor Trombones with F-Attachment 2026
The top pick is Sierman STB-560 Tenor Trombone ($999). Sierman STB-960 Tenor Trombone leads the high end. Ranked by the AudioFu Index from 5 models, prices checked every night.
Last updated: October 20, 2026
Top 5
Full detail for the 5 highest AudioFu Index scores. Every other model is listed below.
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The Sierman STB-560 is a really solid choice for serious students or players on a budget looking for a dependable Bb/F tenor trombone. It's got a pleasing tone, good action for the price, and the F-attachment opens up a lot of possibilities. It’s a workhorse instrument built to last and learn on.
Pros
- Solid brass bell delivers a warm, resonant tone suitable for diverse genres
- Nickel silver slides offer smooth, reliable action minimizing stickiness
- F-attachment expands range and versatility for more complex passages
Cons
- Entry-level lacquer may show wear and tear with heavy use over time
- The 13.34mm bore might feel a touch tight for seasoned players
33AudioFu
IndexStableno change since Aug 17Aug 17$999 now$999€890 at Thomann · in stockCheck price ↗ -
The Sierman STB-665 is a solid choice for serious students or players looking to upgrade from a very basic instrument. The gold brass bell delivers a pleasing tone, and the F-attachment opens up new playing possibilities—it's a well-rounded package offering good value for the price.
Pros
- Gold brass bell provides a warm, resonant tone with good projection
- Nickel silver slide offers smooth action and reliable performance
- F-attachment expands range and versatility for intermediate players
Cons
- Clear lacquer finish may require occasional polishing to prevent tarnish
- 13.89mm bore leans towards a darker tone, less suited for brighter styles
33AudioFu
IndexStableno change since Aug 17Aug 17$1,120 now$1,120€998 at Thomann · in stockCheck price ↗ -
The Sierman STB-760 is a fantastic option for serious intermediate to advanced players looking for a quality instrument without the premium price tag. The gold brass bell and responsive valve action make it a joy to play, and the interchangeable mouthpipe gives you some tonal flexibility. It’s a well-rounded trombone that’ll serve a student or gigging musician well.
Pros
- Gold brass bell delivers a warm, resonant, and projecting tone.
- New axial valve with minibal linkage offers exceptionally smooth and responsive action.
- Interchangeable mouthpipe allows for personalized tonal adjustments and playing comfort.
Cons
- The nickel silver inner slide may require occasional cleaning to prevent sticking.
- While well-built, the overall construction feels slightly less refined than high-end models.
33AudioFu
IndexStableno change since Aug 17Aug 17$1,794 now$1,794€1,598 at Thomann · in stockCheck price ↗ -
The Sierman STB-865 is a solid step up for intermediate players looking for a reliable and well-built tenor trombone. The gold brass bell provides a lovely, mature sound, and the F-attachment expands its range. It's a great choice for school bands, church ensembles, and serious students wanting a professional feel without the premium-priced tag.
Pros
- Gold brass bell delivers a warm, resonant, and focused tone.
- 13.89mm bore promotes excellent response and ease of playing.
- Nickel silver slides offer smooth action and reliable performance.
Cons
- The gold brass bell may be prone to minor denting with rough handling.
- Nickel silver outer slides require more frequent polishing to prevent tarnish.
33AudioFu
IndexStableno change since Aug 17Aug 17$2,131 now$2,131€1,898 at Thomann · in stockCheck price ↗ -
The Sierman STB-960 is a beautifully crafted tenor trombone with a rich, focused sound and excellent playability. Its gold brass bell and well-engineered mechanics make it ideal for serious students, professional players, or anyone seeking a premium instrument that balances projection and warmth. It’s a step up from entry-level horns, offering a noticeable upgrade in tone and feel.
Pros
- Gold brass bell provides a warm, resonant, and projecting tone.
- Nickel silver slides offer smooth, reliable action and quick response.
- Hagman valve ensures accurate intonation and a comfortable hand position.
Cons
- The 13.89mm bore might feel slightly dark for some players’ preferences.
- Nickel silver outer slides require more diligent care to prevent tarnish.
33AudioFu
IndexStableno change since Aug 17Aug 17$3,581 now$3,581€3,190 at Thomann · in stockCheck price ↗
Tenor Trombones with F-Attachment by the numbers
Measured across all 120 models we track, not a sample.
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
Tone
Sierman trombones generally offer a warmer, darker tone than some of the brighter, more 'modern' instruments out there. It's not a scooped low end, but it's definitely got that fundamental richness that sits well in a big band or brass ensemble. You won't get that ice-picky high end, which is a plus for sensitive ears and recording.
Build Quality
Sierman's build is consistently good for the price point. They use quality brass, usually a yellow brass bell for warmth, and the slide action is generally smooth right out of the box. It's not custom-built perfection, but it's far from the flimsy feel you get with some cheaper student horns.
Valve Action (F-Attachment)
The F-attachment valve is crucial. Sierman's are typically reliable and relatively easy to operate, but listen carefully for any stickiness or unevenness when you try it out. A poorly functioning valve will kill your intonation and your enjoyment.
Slide Ergonomics
The slide's neck profile and overall feel are surprisingly comfortable for extended playing. It's not a revolutionary design, but it's well-executed, minimizing fatigue during long gigs or recording sessions.
Value
This is where Sierman really shines. You're getting a lot of trombone for your money. They consistently offer a better playing experience than instruments in the same price bracket, making them an excellent choice for students, hobbyists, and working musicians on a budget.
Buying guide
Okay, so you're looking at a Sierman tenor trombone with an F-attachment? Smart move. Sierman trombones aren't the flashiest name out there, but they've been quietly building a reputation for solid, dependable instruments - the kind you can gig with for years without a lot of fuss. They offer a sweet spot of quality and value, especially when you consider the F-attachment opens up a whole new world of voicing possibilities, but let's break down what makes a Sierman special and whether it's right for you.
Don't expect a Sierman to be a Stradivarius. They're workhorses, built for reliability and a consistent, pleasing tone. The F-attachment is a common point of failure - make sure it's smooth and airtight before you commit.
Used instruments can be a great value, but have a tech check it over, especially the valve. Paying a little extra for a model with a larger bell might give you a bit more projection, but it's not a necessity.
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 5 tenor trombones with F-Attachment from the Thomann catalogue (of 120 in the category). 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
Are Sierman trombones good for beginners?
Absolutely. They're forgiving, reliable, and won't break the bank. The consistent tone helps students develop good embouchure and intonation habits.
What's the difference between a Sierman and a Bach?
Bach tends to be brighter and more assertive, often preferred for lead playing. Siermans are a bit more mellow, better suited for blending and supporting roles. It's a tonal preference thing, really.
Can I record with a Sierman trombone?
Yes, definitely. The warmer tone is often a welcome contrast to brighter instruments in a mix. You might need to experiment with mic placement to capture its nuances, but it's a very capable recording instrument.
Is the F-attachment easy to learn to use?
It takes practice! Intonation can be tricky at first, so be prepared to work with a tuner. But once you get the hang of it, the extended range is a huge asset.
What kind of mouthpiece would you recommend?
A medium-depth cup mouthpiece like a Bach 12C or a similar model from another brand will generally pair well with a Sierman's tonal characteristics. Experimentation is key, though - find what feels and sounds best to you.
