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Haynes Custom flutes have an established place among professional players who value refined construction, tonal depth, and an instrument configured around their individual musical priorities. The 5PT 16 ST OCEB is a specialized professional C flute with a substantial tonal concept and a comprehensive mechanism suited to demanding orchestral, chamber, and solo work.
Wm. S. Haynes 5PT 16 ST OCEB Flute Specifications
- Instrument Type: Professional C flute
- Model: 5PT 16 ST OCEB
- Body Material: Solid 5% platinum alloy
- Wall Thickness: .016 inch
- Tone Holes: Soldered
- Headjoint: Custom Haynes 5% platinum headjoint
- Keywork: Silver-plated open-hole keywork
- G Key: Offset
- Trill Key: C# trill key
- Mechanism: Split E mechanism
- Roller: D# roller
- Footjoint: B footjoint
- Case: Fitted Haynes hard case with case cover
- Accessories: Open-hole plugs, polish cloth, cleaning cloth, and Haynes documentation
- Serial Number: 54666
Condition & Setup
This lightly used flute is in excellent playing order. It has been professionally serviced, set up, and play tested by The Mighty Quinn Brass and Winds. Its lightly handled presentation is consistent with floor model use, with faint superficial handling marks on some reflective surfaces.
Who the 5PT 16 ST OCEB Flute Is For
This Haynes is intended for professional flutists, conservatory-level players, and serious orchestral, chamber, or solo musicians seeking a custom flute with a substantial, centered tonal character. The platinum-alloy construction and .016-inch wall offer a distinctive balance of tonal depth and resistance, while the offset G, C# trill key, split E mechanism, D# roller, and B footjoint support the technical demands of advanced repertoire.
Common Questions About the Wm. S. Haynes 5PT 16 ST OCEB
How does the 5% platinum construction affect the flute's playing character?
Platinum-bearing flute alloys are generally associated with greater mass and resistance than conventional sterling silver. Players often choose them for a substantial core, broad tonal color, and room to shape the sound across a wide dynamic range.
What does the .016-inch wall thickness contribute?
A .016-inch wall provides a balance of stability, tonal substance, and responsiveness. The final playing character also depends on the custom headjoint, the instrument's setup, and the player's air concept.
How do the added mechanism options support advanced repertoire?
The C# trill key facilitates several trills and alternate fingerings, the split E mechanism supports a more secure high E response, and the D# roller assists movement between the low C# and D# keys. Together with the B footjoint, these features provide a versatile professional configuration.
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
Willam. S. Haynes 5PT 16 ST OCEB Professional C Flute in 5% Platinum
Wm. S. Haynes 5% Platinum Handmade Flute Overview
Haynes Custom flutes have an established place among professional players who value refined construction, tonal depth, and an instrument configured around their individual musical priorities. The 5PT 16 ST OCEB is a specialized professional C flute with a substantial tonal concept and a comprehensive mechanism suited to demanding orchestral, chamber, and solo work.
Wm. S. Haynes 5PT 16 ST OCEB Flute Specifications
- Instrument Type: Professional C flute
- Model: 5PT 16 ST OCEB
- Body Material: Solid 5% platinum alloy
- Wall Thickness: .016 inch
- Tone Holes: Soldered
- Headjoint: Custom Haynes 5% platinum headjoint
- Keywork: Silver-plated open-hole keywork
- G Key: Offset
- Trill Key: C# trill key
- Mechanism: Split E mechanism
- Roller: D# roller
- Footjoint: B footjoint
- Case: Fitted Haynes hard case with case cover
- Accessories: Open-hole plugs, polish cloth, cleaning cloth, and Haynes documentation
- Serial Number: 54666
Condition & Setup
This lightly used flute is in excellent playing order. It has been professionally serviced, set up, and play tested by The Mighty Quinn Brass and Winds. Its lightly handled presentation is consistent with floor model use, with faint superficial handling marks on some reflective surfaces.
Who the 5PT 16 ST OCEB Flute Is For
This Haynes is intended for professional flutists, conservatory-level players, and serious orchestral, chamber, or solo musicians seeking a custom flute with a substantial, centered tonal character. The platinum-alloy construction and .016-inch wall offer a distinctive balance of tonal depth and resistance, while the offset G, C# trill key, split E mechanism, D# roller, and B footjoint support the technical demands of advanced repertoire.
Common Questions About the Wm. S. Haynes 5PT 16 ST OCEB
How does the 5% platinum construction affect the flute's playing character?
Platinum-bearing flute alloys are generally associated with greater mass and resistance than conventional sterling silver. Players often choose them for a substantial core, broad tonal color, and room to shape the sound across a wide dynamic range.
What does the .016-inch wall thickness contribute?
A .016-inch wall provides a balance of stability, tonal substance, and responsiveness. The final playing character also depends on the custom headjoint, the instrument's setup, and the player's air concept.
How do the added mechanism options support advanced repertoire?
The C# trill key facilitates several trills and alternate fingerings, the split E mechanism supports a more secure high E response, and the D# roller assists movement between the low C# and D# keys. Together with the B footjoint, these features provide a versatile professional configuration.
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

Willam. S. Haynes 5PT 16 ST OCEB Professional C Flute in 5% Platinum
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.

