Laskey 56KO Trombone Mouthpiece Overview
The Laskey 56KO Rejano Signature trombone mouthpiece is a large-shank tenor trombone mouthpiece from Laskey's Signature family, a line developed with input from professional trombone artists for players with specific response, rim, and cup preferences. The 56KO is the Kosmos profile in the Rejano Signature series, offered here in silver plate for players who want this model's large-shank configuration and medium cup depth.
The Laskey Rejano Kosmos offers rounded comfort and versatility wherever your musical imagination takes you. Whether performing on the orchestra or recital stage, this model finds itself at home in every setting, providing a robust core in your sound. This model is David's preferred mouthpiece of choice for his S.E. Shires David Rejano Artist Model.
In David Rejano’s Own Words: "The Rejano Kosmos gets it done! Orchestra, recital, solo playing… the mouthpiece that works in every single field. Comfortable and versatile without losing the core in the sound. The go to for any type of player!"
Laskey 56KO Trombone Mouthpiece Specifications
- Brand: Laskey
- Model: 56KO
- Series: Rejano Signature
- Shank: Large
- Finish: Silver Plate
- Rim ID: 1.008"
- Rim OD: 1.541"
- Throat ID: 0.265"
- Backbore ID: 0.414"
- Length: 3.251"
- Cup Depth: Medium
- Manufacturer SKU: LTT56KOLS
Condition
Brand new in original packaging.
Who the 56KO Trombone Mouthpiece Is For
The 56KO is intended for tenor trombonists using a large-shank receiver who are evaluating a signature mouthpiece with a medium cup and a defined Kosmos profile. It will be most relevant to advancing and professional players who already have a clear sense of their preferred rim feel, cup depth, and resistance balance, and who want a mouthpiece designed within Laskey's artist-informed Signature series.
Common Questions About the Laskey 56KO
How does the 56KO fit within the Rejano Signature series?
The 56KO is the Kosmos profile in the Laskey Rejano Signature series. It is a large-shank tenor trombone mouthpiece with a medium cup depth and published dimensional references for rim, throat, backbore, and length. A very versatile mouthpiece.
What instruments is this large-shank mouthpiece intended to fit?
This model is intended for any tenor trombone with a large-shank receiver. Players should confirm that their trombone uses a large-shank mouthpiece receiver before purchasing.
What are the key dimensional references for the 56KO?
The 56KO has a 1.008" rim inside diameter, 1.541" rim outside diameter, 0.265" throat inside diameter, 0.414" backbore inside diameter, and 3.251" overall length.
We are proud to be an authorized Laskey 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
Laskey 56KO Rejano Signature Trombone Mouthpiece - Large Shank, Silver Plate
Laskey 56KO Trombone Mouthpiece Overview
The Laskey 56KO Rejano Signature trombone mouthpiece is a large-shank tenor trombone mouthpiece from Laskey's Signature family, a line developed with input from professional trombone artists for players with specific response, rim, and cup preferences. The 56KO is the Kosmos profile in the Rejano Signature series, offered here in silver plate for players who want this model's large-shank configuration and medium cup depth.
The Laskey Rejano Kosmos offers rounded comfort and versatility wherever your musical imagination takes you. Whether performing on the orchestra or recital stage, this model finds itself at home in every setting, providing a robust core in your sound. This model is David's preferred mouthpiece of choice for his S.E. Shires David Rejano Artist Model.
In David Rejano’s Own Words: "The Rejano Kosmos gets it done! Orchestra, recital, solo playing… the mouthpiece that works in every single field. Comfortable and versatile without losing the core in the sound. The go to for any type of player!"
Laskey 56KO Trombone Mouthpiece Specifications
- Brand: Laskey
- Model: 56KO
- Series: Rejano Signature
- Shank: Large
- Finish: Silver Plate
- Rim ID: 1.008"
- Rim OD: 1.541"
- Throat ID: 0.265"
- Backbore ID: 0.414"
- Length: 3.251"
- Cup Depth: Medium
- Manufacturer SKU: LTT56KOLS
Condition
Brand new in original packaging.
Who the 56KO Trombone Mouthpiece Is For
The 56KO is intended for tenor trombonists using a large-shank receiver who are evaluating a signature mouthpiece with a medium cup and a defined Kosmos profile. It will be most relevant to advancing and professional players who already have a clear sense of their preferred rim feel, cup depth, and resistance balance, and who want a mouthpiece designed within Laskey's artist-informed Signature series.
Common Questions About the Laskey 56KO
How does the 56KO fit within the Rejano Signature series?
The 56KO is the Kosmos profile in the Laskey Rejano Signature series. It is a large-shank tenor trombone mouthpiece with a medium cup depth and published dimensional references for rim, throat, backbore, and length. A very versatile mouthpiece.
What instruments is this large-shank mouthpiece intended to fit?
This model is intended for any tenor trombone with a large-shank receiver. Players should confirm that their trombone uses a large-shank mouthpiece receiver before purchasing.
What are the key dimensional references for the 56KO?
The 56KO has a 1.008" rim inside diameter, 1.541" rim outside diameter, 0.265" throat inside diameter, 0.414" backbore inside diameter, and 3.251" overall length.
We are proud to be an authorized Laskey 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
Laskey 56KO Rejano Signature Trombone Mouthpiece - Large Shank, 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.