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The William S. Haynes AF780SE-BO C# Amadeus is a top tier step-up, solid silver concert flute built for advancing players who want the core, projection, and tonal complexity associated with Haynes design standards. With solid silver headjoint, body, and footjoint, a Haynes A-442 scale, and professional features like a Split E mechanism, offset G, and C# trill key, this model targets clean response, stable intonation, and reliable facility across repertoire and ensemble settings.
Haynes Amadeus AF780SE-BO C# Flute Specifications
- Model: AF780SE-BO C# (Amadeus) concert flute in C
- Material: Solid silver headjoint, body, and footjoint
- Tubing: 0.016 inch
- Scale: Haynes A-442 scale
- SE: Split E mechanism;
- B: B footjoint
- O: Offset G
- C# trill key
- Finish: Solid silver construction
- Springs: Stainless steel
- Toneholes: Drawn toneholes
- Keywork details: French pointed arms; open cups; felt pads
- Headjoint style: Classic style headjoint
- Case: French style case and cover
- Serial Number: B2405205
Condition & Setup
This lightly used model is in excellent playing order. It has been professionally serviced, set up, and play-tested by The Mighty Quinn Brass and Winds. Cosmetically, it presents in excellent condition with bright, even silver surfaces and intact, well-aligned keywork.
Who the AF780SE-BO C# Flute Is For
The AF780SE is well suited to advancing students, conservatory players, teachers, doublers, and working musicians seeking solid silver construction with a practical advanced-keywork configuration. Compared with lower-numbered Amadeus models that use silver-plated bodies, the AF780 offers a solid silver body and footjoint for players who want a more nuanced tonal palette and room for continued musical development.
Common Questions About the Haynes Amadeus AF780SE-BO C#
How does the AF780 differ from the Amadeus AF680?
The AF680 uses a solid silver headjoint with a silver-plated body and mechanism. The AF780 adds a solid silver body and footjoint while retaining a silver-plated mechanism.
What do the split E mechanism and C# trill key add?
The split E mechanism supports a more secure response on high E, while the C# trill key provides additional fingering options for trills, transitions, and selected passages in advanced repertoire.
What kind of player should consider the AF780?
The AF780SE is intended for musicians who have moved beyond a basic student flute and want solid silver construction, open-hole keywork, a B footjoint, and advanced mechanisms in a performance-level instrument.
We are proud to be an authorized Haynes dealer
In stock! Ships within 1-2 business days
Financing available. Apply directly at checkout
30-day risk-free trial
2-Year Warranty
Complimentary shipping for all U.S. orders over $99
William S. Haynes AF780SE-BO C# 'Amadeus' Flute in Sterling Silver
Haynes Amadeus AF780SE-BO C# Flute Overview
The William S. Haynes AF780SE-BO C# Amadeus is a top tier step-up, solid silver concert flute built for advancing players who want the core, projection, and tonal complexity associated with Haynes design standards. With solid silver headjoint, body, and footjoint, a Haynes A-442 scale, and professional features like a Split E mechanism, offset G, and C# trill key, this model targets clean response, stable intonation, and reliable facility across repertoire and ensemble settings.
Haynes Amadeus AF780SE-BO C# Flute Specifications
- Model: AF780SE-BO C# (Amadeus) concert flute in C
- Material: Solid silver headjoint, body, and footjoint
- Tubing: 0.016 inch
- Scale: Haynes A-442 scale
- SE: Split E mechanism;
- B: B footjoint
- O: Offset G
- C# trill key
- Finish: Solid silver construction
- Springs: Stainless steel
- Toneholes: Drawn toneholes
- Keywork details: French pointed arms; open cups; felt pads
- Headjoint style: Classic style headjoint
- Case: French style case and cover
- Serial Number: B2405205
Condition & Setup
This lightly used model is in excellent playing order. It has been professionally serviced, set up, and play-tested by The Mighty Quinn Brass and Winds. Cosmetically, it presents in excellent condition with bright, even silver surfaces and intact, well-aligned keywork.
Who the AF780SE-BO C# Flute Is For
The AF780SE is well suited to advancing students, conservatory players, teachers, doublers, and working musicians seeking solid silver construction with a practical advanced-keywork configuration. Compared with lower-numbered Amadeus models that use silver-plated bodies, the AF780 offers a solid silver body and footjoint for players who want a more nuanced tonal palette and room for continued musical development.
Common Questions About the Haynes Amadeus AF780SE-BO C#
How does the AF780 differ from the Amadeus AF680?
The AF680 uses a solid silver headjoint with a silver-plated body and mechanism. The AF780 adds a solid silver body and footjoint while retaining a silver-plated mechanism.
What do the split E mechanism and C# trill key add?
The split E mechanism supports a more secure response on high E, while the C# trill key provides additional fingering options for trills, transitions, and selected passages in advanced repertoire.
What kind of player should consider the AF780?
The AF780SE is intended for musicians who have moved beyond a basic student flute and want solid silver construction, open-hole keywork, a B footjoint, and advanced mechanisms in a performance-level instrument.
We are proud to be an authorized Haynes dealer
Pairs well with
In stock! Ships within 1-2 business days
Financing available. Apply directly at checkout
30-day risk-free trial
2-Year Warranty
Complimentary shipping for all U.S. orders over $99

William S. Haynes AF780SE-BO C# 'Amadeus' Flute in Sterling Silver
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.

