

Eastman EFG512GS Flugelhorn Overview
The Eastman EFG512GS is a Bb flugelhorn designed for advancing players who want a traditionally proportioned instrument with a .413-inch bore, a handspun wire-reinforced gold brass bell, and a vertical 3rd valve slide trigger for practical intonation control in real-world ensemble and solo settings.
Eastman EFG512GS Flugelhorn Specifications
- Instrument: Flugelhorn
- Key: Bb
- Bore: .413 inch
- Bell: Handspun, wire-reinforced gold brass
- 3rd Valve Slide: Vertical 3rd valve tuning slide with trigger
- Finish: Silver plate
- Case: Original single backpack case with straps
- Accessories: Deep V-cup mouthpiece, valve oil, polish cloth
Condition & Setup
This instrument is brand new and includes the full manufacturer’s warranty. As an authorized Eastman dealer, we inspect each new instrument and it is professionally serviced, set up, and play-tested prior to shipment.
Who the EFG512GS Flugelhorn is For
The Eastman EFG512GS is an intermediate Bb flugelhorn built for the advancing musician who wants a classic flugelhorn feel and a warm, blend-friendly sound for concert band, brass band, jazz ensemble, and solo playing. Its traditional .413-inch bore and gold brass bell support a broad, dark tonal core, while the vertical 3rd-slide trigger helps players manage common flugelhorn intonation tendencies during performance.
Within Eastman’s 512 series, the EFG512GS distinguishes itself with its silver-plated finish paired with a gold brass bell, offering a familiar, traditional setup for players who are ready to explore flugelhorn tone color and phrasing beyond a starter-level instrument.
Common Questions About The Eastman EFG512GS
Is the Eastman EFG512GS a Bb flugelhorn?
Yes. The EFG512GS is a Bb flugelhorn, meaning it uses standard Bb flugelhorn fingerings and is commonly used in jazz, concert band, and brass band settings.
What does the 3rd valve slide trigger do on a flugelhorn?
The 3rd valve slide trigger lets you quickly extend the 3rd valve slide while playing to correct pitch on notes that commonly run sharp with standard valve combinations, improving practical intonation without changing fingerings.
What’s included with this new EFG512GS?
This new instrument includes the original backpack case with straps, a deep V-cup mouthpiece, valve oil, and a polish cloth, and it is covered by the full manufacturer’s warranty.
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 a Bb flugelhorn designed for advancing players who want a traditionally proportioned instrument with a .413-inch bore, a handspun wire-reinforced gold brass bell, and a vertical 3rd valve slide trigger for practical intonation control in real-world ensemble and solo settings.
Eastman EFG512GS Flugelhorn Specifications
- Instrument: Flugelhorn
- Key: Bb
- Bore: .413 inch
- Bell: Handspun, wire-reinforced gold brass
- 3rd Valve Slide: Vertical 3rd valve tuning slide with trigger
- Finish: Silver plate
- Case: Original single backpack case with straps
- Accessories: Deep V-cup mouthpiece, valve oil, polish cloth
Condition & Setup
This instrument is brand new and includes the full manufacturer’s warranty. As an authorized Eastman dealer, we inspect each new instrument and it is professionally serviced, set up, and play-tested prior to shipment.
Who the EFG512GS Flugelhorn is For
The Eastman EFG512GS is an intermediate Bb flugelhorn built for the advancing musician who wants a classic flugelhorn feel and a warm, blend-friendly sound for concert band, brass band, jazz ensemble, and solo playing. Its traditional .413-inch bore and gold brass bell support a broad, dark tonal core, while the vertical 3rd-slide trigger helps players manage common flugelhorn intonation tendencies during performance.
Within Eastman’s 512 series, the EFG512GS distinguishes itself with its silver-plated finish paired with a gold brass bell, offering a familiar, traditional setup for players who are ready to explore flugelhorn tone color and phrasing beyond a starter-level instrument.
Common Questions About The Eastman EFG512GS
Is the Eastman EFG512GS a Bb flugelhorn?
Yes. The EFG512GS is a Bb flugelhorn, meaning it uses standard Bb flugelhorn fingerings and is commonly used in jazz, concert band, and brass band settings.
What does the 3rd valve slide trigger do on a flugelhorn?
The 3rd valve slide trigger lets you quickly extend the 3rd valve slide while playing to correct pitch on notes that commonly run sharp with standard valve combinations, improving practical intonation without changing fingerings.
What’s included with this new EFG512GS?
This new instrument includes the original backpack case with straps, a deep V-cup mouthpiece, valve oil, and a polish cloth, and it is covered by the full manufacturer’s warranty.
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/refurbished, 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.

