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The S.E. Shires Model STBALESSI Joseph Alessi Custom Tenor Trombone is a professional large-bore Bb/F tenor trombone designed around a lightweight, unsoldered two-piece yellow-brass bell and Shires’ Alessi rotary valve platform to balance projection, tonal color, efficiency, and resonance in one cohesive setup.
S.E. Shires STBALESSI Tenor Trombone Specifications
- Instrument Type: Tenor Trombone (Bb/F)
- Bore: .547 inch
- Bell: 8.5 inch, two-piece, hand-hammered “TI” taper, lightweight yellow brass; traditionally brazed seams; unsoldered bead; special annealing treatment
- Valve: S.E. Shires Joseph Alessi rotary F valve; bronze valve cap
- F-Attachment Slide: Gold brass
- Tuning Slide: TGF gold brass drawn tubing with flanges
- Handslide: TWJA standard-weight gold brass outer; yellow wide crook
- Leadpipes: Choice of three interchangeable yellow brass leadpipes
- Bell Engraving: S.E. Shires Joseph Alessi Model custom engraving
- Key: Bb/F
- Finish: Lacquer
- Case: S.E. Shires tenor trombone case
- Accessories: Large shank mouthpiece; care kit
Condition & Setup
This instrument is brand new and includes the full manufacturer’s warranty. As an authorized S.E. Shires dealer, we deliver it with a professional shop inspection and play-test to confirm correct slide action, valve function, and overall mechanical performance before shipment.
Who the STBALESSI Tenor Trombone Is For
The STBALESSI Tenor Trombone is a professional Joseph Alessi signature Bb/F large-bore tenor trombone built for orchestral, commercial, and solo players who need a broad, mature sound that stays stable under high dynamic and technical demands. The lightweight, unsoldered two-piece yellow-brass bell is engineered to project clearly through dense textures while retaining width and cohesion across the full range.
This model is distinguished by its material choices and how they work together: an Alessi rotary F valve paired with a gold-brass F-attachment slide and a flanged gold-brass tuning slide supports depth and density while preserving the clean articulation and centered response many players associate with rotary-valve clarity. The TWJA handslide uses a combination of alloys to prioritize consistency and clarity, while the three interchangeable yellow brass leadpipes allow the player to tailor response and feel to different halls, repertoire, and stylistic demands.
Common Questions About The S.E. Shires STBALESSI
What kind of trombone is the S.E. Shires STBALESSI?
The S.E. Shires STBALESSI is a Joseph Alessi signature large-bore Bb/F tenor trombone with a .547-inch handslide, an 8.5-inch lightweight yellow-brass bell, and a rotary F-attachment.
What does the lightweight, unsoldered two-piece bell change for the player?
The unsoldered bead and lightweight two-piece yellow-brass construction are designed to increase efficiency and resonance while helping the sound project clearly; the goal is strong presence without losing a wide, blended core.
What’s included with this new STBALESSI trombone?
It includes an S.E. Shires tenor trombone case, a large shank mouthpiece, and a care kit, and it is covered by the full manufacturer’s warranty.
We are proud to be an authorized S.E. Shires dealer
In stock! Ships within 1-2 business days.
30-day risk-free trial
2-Year Warranty
Complimentary shipping for all U.S. orders over $99
S.E. Shires Model STBALESSI 'Joseph Alessi' Custom Tenor Trombone
S.E. Shires STBALESSI Tenor Trombone Overview
The S.E. Shires Model STBALESSI Joseph Alessi Custom Tenor Trombone is a professional large-bore Bb/F tenor trombone designed around a lightweight, unsoldered two-piece yellow-brass bell and Shires’ Alessi rotary valve platform to balance projection, tonal color, efficiency, and resonance in one cohesive setup.
S.E. Shires STBALESSI Tenor Trombone Specifications
- Instrument Type: Tenor Trombone (Bb/F)
- Bore: .547 inch
- Bell: 8.5 inch, two-piece, hand-hammered “TI” taper, lightweight yellow brass; traditionally brazed seams; unsoldered bead; special annealing treatment
- Valve: S.E. Shires Joseph Alessi rotary F valve; bronze valve cap
- F-Attachment Slide: Gold brass
- Tuning Slide: TGF gold brass drawn tubing with flanges
- Handslide: TWJA standard-weight gold brass outer; yellow wide crook
- Leadpipes: Choice of three interchangeable yellow brass leadpipes
- Bell Engraving: S.E. Shires Joseph Alessi Model custom engraving
- Key: Bb/F
- Finish: Lacquer
- Case: S.E. Shires tenor trombone case
- Accessories: Large shank mouthpiece; care kit
Condition & Setup
This instrument is brand new and includes the full manufacturer’s warranty. As an authorized S.E. Shires dealer, we deliver it with a professional shop inspection and play-test to confirm correct slide action, valve function, and overall mechanical performance before shipment.
Who the STBALESSI Tenor Trombone Is For
The STBALESSI Tenor Trombone is a professional Joseph Alessi signature Bb/F large-bore tenor trombone built for orchestral, commercial, and solo players who need a broad, mature sound that stays stable under high dynamic and technical demands. The lightweight, unsoldered two-piece yellow-brass bell is engineered to project clearly through dense textures while retaining width and cohesion across the full range.
This model is distinguished by its material choices and how they work together: an Alessi rotary F valve paired with a gold-brass F-attachment slide and a flanged gold-brass tuning slide supports depth and density while preserving the clean articulation and centered response many players associate with rotary-valve clarity. The TWJA handslide uses a combination of alloys to prioritize consistency and clarity, while the three interchangeable yellow brass leadpipes allow the player to tailor response and feel to different halls, repertoire, and stylistic demands.
Common Questions About The S.E. Shires STBALESSI
What kind of trombone is the S.E. Shires STBALESSI?
The S.E. Shires STBALESSI is a Joseph Alessi signature large-bore Bb/F tenor trombone with a .547-inch handslide, an 8.5-inch lightweight yellow-brass bell, and a rotary F-attachment.
What does the lightweight, unsoldered two-piece bell change for the player?
The unsoldered bead and lightweight two-piece yellow-brass construction are designed to increase efficiency and resonance while helping the sound project clearly; the goal is strong presence without losing a wide, blended core.
What’s included with this new STBALESSI trombone?
It includes an S.E. Shires tenor trombone case, a large shank mouthpiece, and a care kit, and it is covered by the full manufacturer’s warranty.
We are proud to be an authorized S.E. Shires dealer
Pairs well with
In stock! Ships within 1-2 business days.
30-day risk-free trial
2-Year Warranty
Complimentary shipping for all U.S. orders over $99

S.E. Shires Model STBALESSI 'Joseph Alessi' Custom Tenor Trombone
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
Orders valued over $99 ship via FedEx 2-Day within the U.S. and via DHL internationally. A physical address (no P.O. Boxes) and signature are required. Smaller accessories ship via USPS (2–5 day service) and do not require a signature if valued under $99. Please see our FAQ for additional details.
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Return Policy
We offer an unconditional 30-day return policy to ensure you’re completely satisfied. If you’re unhappy for any reason, return the item for a full refund or full exchange credit (reeds and other consumables are non-returnable once opened). Every instrument we sell is guaranteed to be free of mechanical defects—if an issue arises, contact us and we’ll either reimburse a local repair or provide a prepaid return label for repair, exchange, or refund. If you simply change your mind, you may still return the item for a full refund, but return shipping costs are the customer’s responsibility unless free returns were purchased through Redo at checkout. Please see our FAQ for additional details.
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Shop Warranty:
Brand new items are covered by the full manufacturer’s warranty unless otherwise noted (see the individual maker for details). Open box, used, and vintage items include a two-year warranty serviced by our in-house repair shop, and we guarantee every instrument will be free of mechanical defects. Warranty coverage does not include damage from accident, misuse, negligence, improper operation, unauthorized alterations or removed serial numbers, normal wear and routine maintenance, environmental damage (including perspiration, corrosion, or extreme temperature and humidity), lacquer or plating wear, or consumable parts such as springs, pads, and felts. Please see our FAQ for additional details.

