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Eastman ETB428GS Intermediate Performance Trombone - Silver Plated with Gold Brass Bell , $2,863.20 - Add to Cart Skip to Product Information

Eastman ETB428GS Intermediate Performance Trombone - Silver Plated with Gold Brass Bell

Tenor Trombone with 8.5" Gold Brass Bell, 0.547" Bore, Open Wrap F Attachment, and Mouthpiece - Silver Plated
Item ID: ETB428GS
Eastman ETB428GS Intermediate Performance Trombone - Silver Plated with Gold Brass Bell
Backordered - More On The Way!

We expect more from Eastman in just a few weeks. Order today to reserve yours now, risk-free. Estimated October 2026

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Finish:
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Eastman ETB428GS Intermediate Performance Trombone - Silver Plated with Gold Brass Bell
Backordered - More On The Way!

We expect more from Eastman in just a few weeks. Order today to reserve yours now, risk-free. Estimated October 2026

Your Next Stop: The Eastman ETB428GS Trombone

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Our Product Research Team

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Choosing a “step-up” instrument can be a challenging process. However, Sweetwater musicians cite Eastman’s ETB428GS intermediate trombone as a clear-cut choice for advancing players; it’s a professional-level horn with an intermediate-level price tag and exceptional playability. Featuring a rotary valve and an open-wrap F attachment, this trombone adds clarity to your tone and promotes greater resonance, especially in the lower register. You’ll also benefit from alternate slide positions that help you maintain efficient technique, even as your music gets more difficult. Lastly, with the help of the ETB428GS’s free-blowing 0.547-inch bore and handspun 8.5-inch gold brass bell, you’ll experience improved endurance and projection right away!

Handspun gold brass bell resists wear and tear

Modeled after Eastman’s coveted professional-level trombones, the ETB428GS is about as close as you can get to a professional horn while staying within the intermediate price range. Make no mistake, though: the ETB428GS is here to compete! Its striking gold brass bell — which promotes a bright and cheery sound — works beautifully with a silver-plated finish to help you achieve a complex tone that stays true to your unique sound. Its beautiful finish also acts as a protective, wear-resistant coating, making the ETB428GS a remarkably low-maintenance horn.

F attachment with open wrap lessens wind resistance

The ETB428GS’s open-wrap F attachment and standard 0.547-inch bore make what can be a nerve-wracking transition from your beginner trombone feel like a breeze. The open-wrap design has fewer bends than that of a traditional closed wrap, reducing wind resistance while you play. But that’s not all — just the mere inclusion of an F attachment on this trombone opens the door to a new, streamlined set of slide positions. This attachment’s open-wrap design works to eliminate wind resistance for a free-blowing playing experience.

Experience Eastman excellence

Eastman is known for producing top-of-the-line horns that play freely and feel luxurious without the high price tag. The best part? Their reputation holds up. That’s what makes the ETB428GS such a spectacular choice; it’s designed specifically for advancing players looking to move on from their beginner horns. Sweetwater knows buying a brass instrument is a big deal, which is why our talented Band and Orchestra technicians complete a 40-point Inspection process before shipping out your instrument.

Eastman ETB428GS Features:

  • Intermediate tenor trombone inspired by professional models
  • Rotary F attachment allows for a greater range of low tones
  • Open wrap has less bends for optimized airflow
  • String linkage for quiet valve operation
  • 0.547-in. bore diameter contributes a warm, focused sound
  • 8.5-in. handspun gold brass bell projects an ear-grabbing tone
  • Silver-plated finish protects the instrument and adds brilliance to your tone
  • Includes mouthpiece and case

Warranty Info

Sweetwater's FREE 2-Year Total Confidence Coverage Warranty

Extra peace of mind at no extra cost.

  • Save money with FREE parts and labor
  • Get back to making music with the industry's fastest turnaround time
  • Fix it the first time with our award-winning, factory-certified Service Department
Learn More about Total Confidence Coverage

Offer applies only to single-receipt qualifying purchases. Select manufacturers may require that only the manufacturer’s products qualify towards the minimum purchase amount needed to be eligible for promotional financing. Otherwise, an invoice that meets the minimum purchase amount and contains at least one qualifying manufacturer product is eligible for promotional financing. No interest will be charged on promo purchase balance, and equal monthly payments are required on promo purchase until it is paid in full. The payments equal the amount financed divided by the number of months in the promo period, rounded up to the next whole dollar. These payments may be higher than the payments that would be required if this purchase was a non-promo purchase. During the last month(s) of the promo period the required monthly payment may be reduced due to the prior months’ rounding. Regular account terms apply to non-promo purchases. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

Offer applies only to single-receipt qualifying purchases. No interest will be charged on the promo balance if you pay it off, in full, within the promo period. If you do not, interest will be charged on the promo balance from the purchase date. The required minimum monthly payments may or may not pay off the promo balance before the end of the promo period, depending on purchase amount, promo length and payment allocation. Regular account terms apply to non-promo purchases and, after promo period ends, to the promo balance. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

The estimated required monthly payment shown which excludes taxes and delivery equals the amount financed divided by the number of months in the promo period, rounded up to the next cent. During the last month(s) of the promo period the required monthly payment may be reduced due to this rounding. These payments apply only with the financing offer shown. If you make these payments by the due date each month, you should pay off this amount financed within the promo period, if it is the only balance you are paying off. If you have other balances on your account, this payment will be added to any other minimum monthly payments.

Applies only to select items from this manufacturer. Ask your Sweetwater Sales Engineer for more details.