C.G. Conn Model CAS411S Alto Saxophone in Silver Plate SN AJ00324042 EXCELLENT
Key Features
- Condition: Demo model in excellent condition, never privately owned
- Hand-engraved silver plated brass body
- Intermediate performance alto saxophone
- Exceptional tonal brightness and clarity
- Original case included
- Mouthpiece, cap, and ligature provided
- Model: CAS411S
- Serial Number: AJ00324042
- Professionally set up and play-tested
C.G. Conn CAS411S Intermediate Alto Saxophone
The C.G. Conn CAS411S Intermediate Alto Saxophone offers an ideal blend of professional craftsmanship and superior playability for the advancing musician. This stunning instrument is equivalent to the Selmer SAS411 but features the unique Conn bell stamp specifically designed for international markets. Crafted from hand-engraved silver plated brass, the saxophone delivers a bright and resonant sound that captivates both player and audience.
Known for its exceptional response and projection, the CAS411S is perfect for both solo performances and ensemble settings. Its precise action and perfect pad condition ensure consistent playability and comfort. The quality craftsmanship makes it suitable for serious students and seasoned musicians looking for an upgrade. This saxophone comes complete with its original case and essential accessories, providing everything a saxophonist needs right out of the box.
We are proud to be an authorized C.G. Conn dealer
The Mighty Quinn Brass and Winds is proud to offer financing through our partnership with Klarna!

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Apply for financing directly through our website at time of checkout for instant approval!
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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.
To start a return
BRAND NEW ITEMS are covered by the full manufacturer’s warranty unless specifically noted otherwise. Please check individual makers for terms and conditions.
USED and OPEN BOX ITEMS include a two-year warranty serviced through our in-house repair shop. We guarantee that every instrument we sell is free of mechanical defects.
PLEASE NOTE: Warranty does not cover the following:
- Damage, deterioration or malfunction resulting from accident, negligence, misuse, abuse, operation or failure to follow instructions according to the Owner’s Manual for this product
- Any unit which has been altered or on which the serial number has been defaced, modified or removed
- Normal wear and any periodic maintenance
- Deterioration due to perspiration, corrosive atmosphere or other external causes such as extremes in temperature or humidity
- Lacquer or plating finish wear
- Springs, pads and felt parts
HISTORIC ITEMS have not been serviced in our shop and do not include a warranty.
HOW TO USE YOUR WARRANTY
Contact [email protected] attaching photos of the affected item, so that we we may determine the best course of action:
(For larger repairs) Receive a free mailing label to send the instrument back to us for repair. We will address any technical problems in our shop and send you back your horn free of charge.
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(For small repairs) Bring your instrument to a trusted local shop for a quote, and we will reimburse you their nominal shop fee to fix it at their location.





















