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Getzen 4147IB Bousfield Model - Bb/F Trombone

SKU: 4147IB
£4,437.50 Export price
 (2)
Quantity In StockIn Stock

Product Information

Revolutionary is not a word often associated with Trombone design, but the latest offering from Getzen in collaboration with Ian Bousfield is just that in many ways. This is the latest model which has benefitted from further enhancements in 2023.

The Latest Enhancements

Since its original release in 2013, the 4147IB Custom Reserve Tenor Trombone has become a recognised pillar of the pro Trombone market. In 2023, Getzen alongside Ian Bousfield and Christian Griego, made further developments to the instrument.

  • A New Single Radius Rose Brass Sheet Tuning Slide Bow
  • An Interchangeable Yellow Brass Leadpipe (exclusive to the 4147IB model)
  • A Specially Weighted & Tempered Dome Bronze Rotor Insert
  • Newly Developed Enhanced Handslide Construction
  • New Custom Reserve 'Elk Head' Bell Engraving

The Original 4147IB Story

Christian Griego and Ian Bousfield met while Ian was touring in 2012 and they discussed the shortcomings of Ian's current set up. The first development was to put a narrow hand slide onto the existing 4047DS bell, making the trombone more responsive.

Once the handslide was adjusted to keep the tuning, Christian moved to the cross brace. By using a lighter material and a wider tube for comfort, they found the instrument had a wider sound. In combination with the rose brass bell, the resulting instrument had a colourful, powerful, wide sound. Perfect for Ian.

The unusual cross bracing on the bell and F attachment remove much of the tension from the design, allowing both the bell itself and the F attachment to resonate much more freely and improves the response.

Harmonic Pillar System

One of the most revolutionary features on the 4147IB trombone is the Harmonic Pillar System, which allows the player the freedom to customise how responsive the trombone is in a particular setting or acoustic. This really is a feature that needs to be tried to be believed, but the difference between an open brace, the hard and soft alloys is really remarkable. When I tested the trombone in the open shop, screwing the different alloys in changed things dramatically and a very calm, controlled trombone suddenly became a totally different, dominating and shouty animal, with the last pillar giving a sound somewhere between the two.

Specifications:

  • Key: Bb/F
  • Bell: 8.5” Rose brass bell with sheet stem and unsoldered rim | 'B' Mandrel Taper
  • Bore: Large Bore (.547”)
  • Handslide: Narrow yellow brass outer slides, nickel silver end crook and oversleeps, hand-straightened nickel silver inner tubes
  • Valve: Getzen PowerBore conventional rotor with variegated rotor cap and insert. Open wrap F attachment
  • Mouthpiece: Griego CS5 (Getzen Exclusive)
  • Special Features: Harmonic Pillar System, Handslide Cross Brace, Customer Reserve 'Elk Head' bell engraving
  • PLEASE NOTE: The 4147IB Trombone does NOT come with a case supplied by Getzen. Many players have their own preferred cases, or we can help you choose something suitable

Try this Instrument In Store

We have a variety of testing environments instore for customers to experience and enjoy. Our range of testing rooms are available to pre-book and we can even reserve stock in advance so if you're making a jouney to see us we can be prepared to make it a special experience for you.

More Information

Need Help with this item?

Our specialist trained staff are able to help you. Please contact us or call us on 01628 630800

Getzen 4147IB Bousfield Model - Bb/F Trombone Reviews

Anonymous review via Feefo  -  2026-10-16

Dawkes Music — Anything Goes (But Rarely Returns) Cole Porter once assured us that Anything Goes. Clearly, he had never attempted to return an instrument to Dawkes Music. What began as a perfectly straightforward purchase of a brand-new custom trombone quickly descended into a farce so ludicrous that P. G. Wodehouse himself would have thought twice before committing it to print. Alas, I am no P. G. Wodehouse. The instrument's condition was extremely disappointing, despite having been assured that it was, in fact, fresh from the factory. The customer service since that particular conversation has been positively theatrical. Emails went unanswered, and arrangements for the instrument's repatriation were made without any prior consultation, with updates often arriving only at the end of a working day. When last night's collection (scheduled between 20:00 and 21:00!) failed to materialise, I emailed at 9:30 this morning to explain that I would not be available until a specified day next week, allowing, one would hope, sufficient time to organise what one might politely call "a dram in a distillery". A skill that does not require a huge amount of competence, i understand.. It was fortunate, then, that I happened to be at home today when I received a message from the courier providing a one-hour collection window! Today!! With less than an hour's notice of their arrival!! ?You're the Top? Alas, not quite. *t's De-Lovely? Decidedly not. I Get a Kick Out of You? In olden days, one might expect a metaphorical rear- end would be subjected to a little of this. So, after several days of this extraordinary performance, I found myself humming *Goodbye, Little Dream, Goodbye* — the dream being that a reputable musical instrument retailer might actually organise the return of its own merchandise. A triumph of exquisitely improvised incompetence. Buddy, beware…

The supplier responded:Dear customer, Thank you for your feedback. We’re sorry the trombone didn’t arrive in the condition you should expect from a new instrument, and that arranging its return took more of your time than it should have. We had issues with the collection on our side, and we didn’t give you enough notice or communication, which impacted you. Your refund has been processed in full. We’re reviewing how we arrange return collections so customers get proper notice and a time that suits them, and we'll report the instrument that has fallen short of expectations to our suppliers. Apologies again for the inconvenience. Kind regards, Matt Sanders Dawkes Music Sales

Luis Alves  -  2019-05-18

Getzen 4147IB is something unique, plays very well, easy in all registers and high quality construction. I’m really happy with this Getzen trombone!

Why Buy from Dawkes Music?

Dawkes Music are a globally recognized UK based Music Industry company that have expert staff who specialize in products, performance, teaching and repairing in the brass and woodwind sector.

Highly Recommended
You can buy with confidence from Dawkes Music knowing that we’ve been awarded a Feefo Platinum Service award. This recognizes the 8,500 five-star Feefo reviews we’ve received from customer feedback.
14 Day Approval
Try your item at home, in a lesson, in the band, and make sure it’s perfect for you. If you are not convinced, we can refund the item in full upon return. A £5 re-stocking fee applies to any mouthpieces. Reeds are not available on approval.
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All in stock items ordered before 2pm UK time are dispatched on the same day (Mon-Fri). Express delivery and courier options are available at the checkout. All orders from outside the UK are sent via Royal Mail or Courier.
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We carefully check pricing to ensure our customers get the best value which also includes our award-winning pre- and post-sale customer support. Our unrivalled expertise is all part of the package.
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We have 25 members of staff in-store to assist you, 6 days a week. You can call us, email us, or visit us in store depending on your location. Our award-winning team will be on hand to help. Experience you can trust since 1966!