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The Eastman EFG512GS is an intermediate Bb flugelhorn designed for advancing players who want a traditional flugelhorn feel and sound in a silver plate instrument. It pairs a .413 inch bore with a handspun, wire-reinforced gold brass bell, and includes a vertical 3rd valve slide with trigger for practical, player-controlled intonation adjustments.
Eastman EFG512GS Flugelhorn Specifications
- Key: Bb
- Bore: .413 inch
- Bell: Handspun, wire-reinforced gold brass bell
- 3rd Valve Slide: Vertical 3rd valve tuning slide with trigger
- Finish: Silver plate
- Case: Single backpack case
- Accessories: Deep V-cup mouthpiece
Condition & Setup
Very lighty used, in wonderful condition. This flugelhorn has been professionally serviced, set up, and play-tested to confirm proper response, valve action, and overall performance.
Who the EFG512GS Flugelhorn Is For
The Eastman EFG512GS is a Bb flugelhorn built for advancing musicians who want to explore flugelhorn playing with a traditional bore size and a gold brass bell. It is well suited for players moving from trumpet into dedicated flugelhorn work in jazz ensemble, commercial settings, brass band, or lyrical solo playing where a warmer, rounder voice than a trumpet is preferred.
What distinguishes the EFG512GS in its category is its classic .413 inch bore and handspun, wire-reinforced gold brass bell combined with a silver plate finish and a vertical 3rd valve slide trigger, helping players manage common flugelhorn intonation tendencies with on-the-fly adjustments.
Common Questions About The Eastman EFG512GS
Is the Eastman EFG512GS suitable for serious ensemble and gig use?
Yes. The EFG512GS is an intermediate-level Bb flugelhorn designed for advancing players who need reliable playability, consistent response, and practical intonation control via the 3rd valve slide trigger.
What does the 3rd valve slide trigger do on a flugelhorn?
The 3rd valve slide trigger lets the player extend the 3rd valve slide while playing to correct intonation on notes that commonly run sharp, improving pitch control without changing fingering.
What is included with this instrument?
This EFG512GS includes a deep V-cup mouthpiece and a single backpack case.
We are proud to be an authorized Eastman 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
Eastman EFG512GS Intermediate Flugelhorn
Eastman EFG512GS Flugelhorn Overview
The Eastman EFG512GS is an intermediate Bb flugelhorn designed for advancing players who want a traditional flugelhorn feel and sound in a silver plate instrument. It pairs a .413 inch bore with a handspun, wire-reinforced gold brass bell, and includes a vertical 3rd valve slide with trigger for practical, player-controlled intonation adjustments.
Eastman EFG512GS Flugelhorn Specifications
- Key: Bb
- Bore: .413 inch
- Bell: Handspun, wire-reinforced gold brass bell
- 3rd Valve Slide: Vertical 3rd valve tuning slide with trigger
- Finish: Silver plate
- Case: Single backpack case
- Accessories: Deep V-cup mouthpiece
Condition & Setup
Very lighty used, in wonderful condition. This flugelhorn has been professionally serviced, set up, and play-tested to confirm proper response, valve action, and overall performance.
Who the EFG512GS Flugelhorn Is For
The Eastman EFG512GS is a Bb flugelhorn built for advancing musicians who want to explore flugelhorn playing with a traditional bore size and a gold brass bell. It is well suited for players moving from trumpet into dedicated flugelhorn work in jazz ensemble, commercial settings, brass band, or lyrical solo playing where a warmer, rounder voice than a trumpet is preferred.
What distinguishes the EFG512GS in its category is its classic .413 inch bore and handspun, wire-reinforced gold brass bell combined with a silver plate finish and a vertical 3rd valve slide trigger, helping players manage common flugelhorn intonation tendencies with on-the-fly adjustments.
Common Questions About The Eastman EFG512GS
Is the Eastman EFG512GS suitable for serious ensemble and gig use?
Yes. The EFG512GS is an intermediate-level Bb flugelhorn designed for advancing players who need reliable playability, consistent response, and practical intonation control via the 3rd valve slide trigger.
What does the 3rd valve slide trigger do on a flugelhorn?
The 3rd valve slide trigger lets the player extend the 3rd valve slide while playing to correct intonation on notes that commonly run sharp, improving pitch control without changing fingering.
What is included with this instrument?
This EFG512GS includes a deep V-cup mouthpiece and a single backpack case.
We are proud to be an authorized Eastman 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

Eastman EFG512GS Intermediate Flugelhorn
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.

