

Bach 42BO Stradivarius Tenor Trombone
Vincent Bach combined his unique talents as both a musician and an engineer to create brass instruments of unequaled tonal quality. Often copied but never duplicated, Bach Stradivarius instruments today remain the sound choice of artists worldwide.
The Bach 42BO is the most popular selling Bach Stradivarius symphonic trombone. It features an 8-1/2" one-piece hand-hammered yellow brass bell that has defined the symphonic sound for generations. The .547" large bore combined with the open wrap F attachment offers outstanding clarity and projection with less resistance. The chrome plated nickel silver inner handslide tubes provide the ideal surface for smooth and quick handslide action. The clear lacquer finish adds a subtle warmth to the sound overall. The Bach Stradivarius 42BO professional trombone is ideal for both symphonic and solo performance.
42BO Key Features
- Model: 42BO Stradivarius
- .547" large bore
- 8-1/2" one-piece hand-hammered yellow brass bell
- Open wrap F attachment with standard rotor valve
- Yellow brass outer slide
- Clear lacquer finish
- Bach 6-1/2HA mouthpiece
- Hardshell Bach Case
- Condition: Brand new with full manufacturer's warranty. Professionally set up and ready to play
We are proud to be an authorized Bach 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
Bach Model 42BO Professional Stradivarius Tenor Trombone
Bach 42BO Stradivarius Tenor Trombone
Vincent Bach combined his unique talents as both a musician and an engineer to create brass instruments of unequaled tonal quality. Often copied but never duplicated, Bach Stradivarius instruments today remain the sound choice of artists worldwide.
The Bach 42BO is the most popular selling Bach Stradivarius symphonic trombone. It features an 8-1/2" one-piece hand-hammered yellow brass bell that has defined the symphonic sound for generations. The .547" large bore combined with the open wrap F attachment offers outstanding clarity and projection with less resistance. The chrome plated nickel silver inner handslide tubes provide the ideal surface for smooth and quick handslide action. The clear lacquer finish adds a subtle warmth to the sound overall. The Bach Stradivarius 42BO professional trombone is ideal for both symphonic and solo performance.
42BO Key Features
- Model: 42BO Stradivarius
- .547" large bore
- 8-1/2" one-piece hand-hammered yellow brass bell
- Open wrap F attachment with standard rotor valve
- Yellow brass outer slide
- Clear lacquer finish
- Bach 6-1/2HA mouthpiece
- Hardshell Bach Case
- Condition: Brand new with full manufacturer's warranty. Professionally set up and ready to play
We are proud to be an authorized Bach 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

Bach Model 42BO Professional Stradivarius 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.
