William S. Haynes Model AF570-CS 'Amadeus' Alto Flute

William S. Haynes AF570-CS Amadeus Alto Flute Overview

The William S. Haynes AF570-CS Amadeus Alto Flute is a silver-plated alto flute designed to deliver a wide tonal range, from mellow, warm fundamentals to a rich, sonorous low register with even color across the octaves. Built with an ergonomic, smooth-operating mechanism and an excellent scale, it is well suited for orchestral doubling, flute choir, and solo repertoire where secure low-register response and consistent intonation are essential. This example was purchased directly from the manufacturer and has seen only extremely light use as a shop demo/display instrument.

William S. Haynes AF570-CS Amadeus Alto Flute Specifications

• Instrument type: Alto Flute
• Key: G
• Finish: Silver plated (headjoint, body, and mechanism)
• Headjoints: W. Haynes curved and straight silver-plated headjoints
• Lip plate and riser: Silver plated
• Keywork: French pointed arms; offset G
• Toneholes: Drawn
• Springs: Stainless steel
• Features: Low D# roller key
• Serial number: B2405246
• Case: Original factory case
• Accessories: Original cleaning rod

Condition & Setup

Like new condition - extremely light demo/display use only. This open box alto flute has been serviced in our shop, professionally set up, and play-tested to confirm proper mechanical function, sealing, and response.

Who the AF570-CS Alto Flute Is For

The William S. Haynes AF570-CS Amadeus Alto Flute is a G alto flute built for flutists who need a reliable, modern-response tenor-voice instrument for ensemble and solo playing. Its design emphasizes a comfortable, ergonomic feel, accurate scale, and consistent tone color from the low register through the top octaves, making it a practical choice for orchestral color work, flute choir parts, and doubling situations where quick adaptation and stable intonation matter.

Players looking for the characteristic alto flute sound described as mellow and warm at softer dynamics, yet capable of a fuller, more vibrant low voice when pushed, will appreciate the Amadeus approach. The inclusion of both curved and straight W. Haynes headjoints helps accommodate different posture needs and playing contexts without changing instruments.

Common Questions About The William S. Haynes AF570-CS

What does AF570-CS mean, and what headjoints are included?

The AF570-CS is an Amadeus alto flute setup that includes both a curved (C) and straight (S) W. Haynes silver-plated headjoint, allowing you to choose the configuration that best fits your comfort and playing position.

Is this alto flute suitable for professional use?

Yes. The AF570-CS is built with a silver-plated mechanism, drawn toneholes, French pointed arms, and an offset G, and it is designed for consistent intonation and even tone color across the range. It is appropriate for professional doubling, flute choir work, and solo repertoire that demands secure low-register response.

What does open box mean for this instrument?

Open box means it was purchased directly from the manufacturer and has only seen extremely light use as a demo or display instrument. It has also been serviced in our shop, set up, and play-tested.

We are proud to be an authorized Haynes dealer

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We want you to be happy and satisfied with your purchase, and we offer an unconditional 30 day return policy. If you are unhappy with your item for any reason, just return it for a full refund or full credit towards an exchange. (Reeds and other consumables are non-returnable once opened.)

We warranty every item we sell to be free of mechanical defects. If you find an issue with your purchase, please contact us. We will either reimburse you to have any minor repairs completed by your local repair shop, or we will send you a label to cover all return postage charges so that we can either repair your instrument, exchange your instrument, or issue you a refund for your instrument. We stand behind our products, and we truly want you to be happy.

Please note that if you simply change your mind about the purchase of an item - if you find that it's just not the one for you - you are still entitled to a full refund. We do not routinely charge a restocking fee; however, you will be responsible for the expense involved in shipping the item back to us if you have not purchased free returns through Redo at checkout. (Redo is available for domestic sales in the US only - international customers will be responsible for return shipping). Upon receipt of your return, our technicians will go over the instrument to ensure everything is in the same condition in which it was sold. Damage to the instrument, missing accessories, or unauthorized alterations/repairs may affect your refund. Your refund will be processed within 5 business days of our receipt of your return.

If more than five returns are requested within a calendar year, a 20% restocking fee will be assessed for every return moving forward for that calendar year.

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