Yamaha YAH-803S Alto Horn Overview
The Yamaha YAH-803S Custom Neo is a professional Eb alto horn (tenor horn) designed for brass band and solo performance, built with a yellow brass body and a silver-plated finish for a clear, centered response and consistent projection. Yamaha re-evaluated key tapers, the bell design, and valve section to support richer resonance, accurate pitch, and a playing feel that balances openness with controlled resistance, making the YAH-803S a purpose-built instrument for modern brass band demands.
Yamaha YAH-803S Alto Horn Specifications
- Key: Eb
- Finish: Silver-plated
- Body material: Yellow brass
- Valves: 3 top-action
- Valve pistons: Monel alloy
- Bore: .469 inches
- Bell: 8 1/4 inches, upright, two-piece yellow brass
- Case: Yamaha AHC-803 hard case with strap
- Accessories: Yamaha 38D4 mouthpiece
Condition & Setup
This instrument is brand new and includes the full manufacturer’s warranty. As an authorized Yamaha dealer, we provide professional setup and play-testing to verify proper mechanical function, valve action, slide movement, and baseline intonation before shipment.
Who the YAH-803S Alto Horn Is For
The Yamaha YAH-803S Custom Neo is a professional Eb alto horn designed to deliver the tone color, pitch accuracy, and controlled resistance expected in brass band section and solo playing. It is well suited to advancing and professional horn players who need consistent slotting, dependable intonation, and an instrument that supports a wide dynamic range without losing core to the sound.
Within Yamaha’s alto horn lineup, the Custom Neo concept focuses on component re-design rather than cosmetic updates: a larger-diameter two-piece bell for broader dynamics, a redesigned first-branch taper and main tuning slide taper for improved pitch and tonal flexibility, and a heavier valve casing for added tonal density. The mouthpiece receiver and brace design is intended to provide moderate resistance and a thicker sound, supporting projection and expressive phrasing in ensemble and solo contexts.
Common Questions About the Yamaha YAH-803S
Is the Yamaha YAH-803S a professional alto horn?
Yes. The YAH-803S is Yamaha’s Custom Neo Eb alto horn, built for brass band and solo performance with design updates aimed at pitch accuracy, tonal depth, and controlled resistance.
What key is the Yamaha YAH-803S, and what mouthpiece does it include?
The YAH-803S is keyed in Eb and includes a Yamaha 38D4 mouthpiece.
What case comes with the YAH-803S?
It includes the Yamaha AHC-803 hard case with strap.
We are proud to be an authorized Yamaha 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
Yamaha YAH-803S Custom 'Neo' Eb Alto Horn in Silver Plate
Yamaha YAH-803S Alto Horn Overview
The Yamaha YAH-803S Custom Neo is a professional Eb alto horn (tenor horn) designed for brass band and solo performance, built with a yellow brass body and a silver-plated finish for a clear, centered response and consistent projection. Yamaha re-evaluated key tapers, the bell design, and valve section to support richer resonance, accurate pitch, and a playing feel that balances openness with controlled resistance, making the YAH-803S a purpose-built instrument for modern brass band demands.
Yamaha YAH-803S Alto Horn Specifications
- Key: Eb
- Finish: Silver-plated
- Body material: Yellow brass
- Valves: 3 top-action
- Valve pistons: Monel alloy
- Bore: .469 inches
- Bell: 8 1/4 inches, upright, two-piece yellow brass
- Case: Yamaha AHC-803 hard case with strap
- Accessories: Yamaha 38D4 mouthpiece
Condition & Setup
This instrument is brand new and includes the full manufacturer’s warranty. As an authorized Yamaha dealer, we provide professional setup and play-testing to verify proper mechanical function, valve action, slide movement, and baseline intonation before shipment.
Who the YAH-803S Alto Horn Is For
The Yamaha YAH-803S Custom Neo is a professional Eb alto horn designed to deliver the tone color, pitch accuracy, and controlled resistance expected in brass band section and solo playing. It is well suited to advancing and professional horn players who need consistent slotting, dependable intonation, and an instrument that supports a wide dynamic range without losing core to the sound.
Within Yamaha’s alto horn lineup, the Custom Neo concept focuses on component re-design rather than cosmetic updates: a larger-diameter two-piece bell for broader dynamics, a redesigned first-branch taper and main tuning slide taper for improved pitch and tonal flexibility, and a heavier valve casing for added tonal density. The mouthpiece receiver and brace design is intended to provide moderate resistance and a thicker sound, supporting projection and expressive phrasing in ensemble and solo contexts.
Common Questions About the Yamaha YAH-803S
Is the Yamaha YAH-803S a professional alto horn?
Yes. The YAH-803S is Yamaha’s Custom Neo Eb alto horn, built for brass band and solo performance with design updates aimed at pitch accuracy, tonal depth, and controlled resistance.
What key is the Yamaha YAH-803S, and what mouthpiece does it include?
The YAH-803S is keyed in Eb and includes a Yamaha 38D4 mouthpiece.
What case comes with the YAH-803S?
It includes the Yamaha AHC-803 hard case with strap.
We are proud to be an authorized Yamaha 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
Yamaha YAH-803S Custom 'Neo' Eb Alto Horn in Silver Plate
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.