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The Bach 42B trombone features an 8-1/2 inch one-piece hand-hammered yellow brass bell that has defined the symphonic sound for generations. The .547 large bore, combined with the traditional rotary valve and open wrap F attachment, offers a warm sound, great projection, and an open feel. 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 42B professional trombone is ideal for both symphonic and solo performance
Bach Model 42B Tenor Trombone Specifications
- Brand: Bach Stradivarius
- Model: 42B
- Finish: Lacquer
- Bell Size: 8.5 inches
- Bell Material: Yellow Brass
- Bore Size: .547
- Case: Original
- Accessories: Slide cream, and large shank Bach 6.5AL mouthpiece
- Serial number: 218402
Condition & Setup
Open box instrument in excellent condition. This instrument is in display-model condition with no visible signs of use. It has been professionally serviced, set up, and play-tested to confirm proper valve action, slide function, and overall performance.
Who the Bach Model 42B is For
The Bach Model 42B is ideal for serious trombonists—advanced students, dedicated amateurs, and professional players—who want a high-quality, versatile instrument without stepping into custom or pro-level pricing. With its rich, full sound and responsive feel, the 42B performs beautifully in concert bands, orchestras, jazz ensembles, and solo settings. It’s especially well-suited to players who have outgrown beginner horns and are ready for an instrument that supports refined tone, reliable intonation, and expressive musicality as they continue to advance.
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 42B Stradivarius Professional Tenor Trombone
Bach Model 42B Tenor Trombone Overview
The Bach 42B trombone features an 8-1/2 inch one-piece hand-hammered yellow brass bell that has defined the symphonic sound for generations. The .547 large bore, combined with the traditional rotary valve and open wrap F attachment, offers a warm sound, great projection, and an open feel. 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 42B professional trombone is ideal for both symphonic and solo performance
Bach Model 42B Tenor Trombone Specifications
- Brand: Bach Stradivarius
- Model: 42B
- Finish: Lacquer
- Bell Size: 8.5 inches
- Bell Material: Yellow Brass
- Bore Size: .547
- Case: Original
- Accessories: Slide cream, and large shank Bach 6.5AL mouthpiece
- Serial number: 218402
Condition & Setup
Open box instrument in excellent condition. This instrument is in display-model condition with no visible signs of use. It has been professionally serviced, set up, and play-tested to confirm proper valve action, slide function, and overall performance.
Who the Bach Model 42B is For
The Bach Model 42B is ideal for serious trombonists—advanced students, dedicated amateurs, and professional players—who want a high-quality, versatile instrument without stepping into custom or pro-level pricing. With its rich, full sound and responsive feel, the 42B performs beautifully in concert bands, orchestras, jazz ensembles, and solo settings. It’s especially well-suited to players who have outgrown beginner horns and are ready for an instrument that supports refined tone, reliable intonation, and expressive musicality as they continue to advance.
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 42B Stradivarius Professional 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.
