Seilen Custom Koa Concert (by Shinji Takahashi) (2022)

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Seilen Custom Concert Koa Ukulele by Shinji Takahashi

(Video) Whats In The Box?! (A Rare Ukulele)

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Let's take a listen to this unique and beautiful ukulele and then we'll go over some other features.


More Information


Setup Options


(Video) Paul Iinuma and Custom Seilen Tenor Ukulele - (UKULELE FRIEND: Live Performance)

Pictures and video show the instrument now available (if it says "In Stock")

Seilen Ukuleles are made in the private workshop of Shinji Takahashi in Matsumoto, Nagano, Japan. Shinji has been a luthier for over 30 years and is known for a production line called T's guitars, which make very beautiful guitars and ukes. He has also built for other companies and helped many to learn proper lutherie. Seilen is a limited production line made entirely by Shinji for the finest quality that only a one master builder operation can produce.

This concert not only features seemingly flawless craftsmanship and attention to detail, but also a fantastic crisp sound that is both lively and full of rich overtones. Take a listen as Corey gives us a "raw" sound sample.

This ukulele has a curly body protected with a beautiful and clean semi gloss nitrocellulose lacquer finish.

Includes Oahu hard case and oasis humidifier.

More Information
  • Concert size (15" scale)
  • Koa body
  • Rosewood fingerboard, bridge, binding & headplate
  • Mahogany neck
  • Gotoh UPT tuners
  • Semi-gloss finish
  • 14 frets to body - 19 frets total

This ukulele includes a custom hardcase.

Custom Options

We can install the Mi-Si with its rechargeable preamp, or the new L.R. Baggs 5.0 ukulele pickup.

Extra Options

You can choose Oasis Ukulele Humidifier (OH-18). This is for places that get below 40% humidity. If you live in a very low humidity area (parts of Nevada, Arizona, etc.) or if you heat the air in your home, then we suggest the OH-5+ for the most effective care. For more info see our Ukulele Care link at the bottom of the site.

If you would like to let the setup or shipping department know anything just put a note in the Special Instructions box.


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Setup Options

Current Turnaround Time: Amount of time it takes before shipment-

Full Setup: 7-10 Days

Basic Quality Control:2-3 Days

BASIC QUALITY CONTROL covers inspecting the instrument for any major defects that would have been missed by the factory and any faults in construction that could potentially damage or limit the functionality of the instrument over time. Any defective instruments are rejected and replaced. We make sure that each Ukulele meets the basic standard for a brand new instrument and will be ready to play once you receive it. A final cleanup is also included after inspection before packing and shipment.

Full Setup - FREE for all Ukuleles $399 and over / $20.00 for Ukuleles from $300-399 / $30.00 for Ukuleles Under $300


-Overall QC evaluation: To find defects in construction as well as to get an overall view of the instrument and note the areas that need extra attention and adjustment during the setup.

-Saddle Adjustment: The height of the saddle is lowered to reduce the distance between the strings and the fretboard, making it easier to play than the factory setup, especially higher up the fretboard.

-Nut Slot Adjustment: The depth, width, and angle of the nut slots are adjusted to create a more comfortable playing experience especially on the lower frets.

-Fret Dressing: After adjusting the nut and saddle heights, high spots in the fretboard or uneven frets will potentially cause fret buzz, dead spots, or other unwanted problems. The frets are filed to create a more consistent level across the fretboard. We then crown the frets to return their rounded curvature back to the top of each fret creating a clear contact point for each string. We then smooth and polish the frets and condition the fingerboard to bring them back to new condition.

-Final Cleanup: We always do a final overall cleanup of the instrument to make sure it is in new condition and ready to play before it is prepared for shipment.

Rush Setup & Delivery - Additional $50.00
The RUSH SETUP AND DELIVERY service is for customers who would still like to receive everything included in the full setup but on a shorter time frame. One of our setup technicians will work overtime outside of normal business hours to complete the setup within 2-3 days of the order being placed and immediately hand it over to the shipping department for packing and shipment. The $50.00 rush charge is in addition to the cost of the full setup.

Additional services (see individual product listings to add these services to your order)
Re-stringing:We will replace the factory installed stock string set with a new set of your choosing. Select the “replace stock strings” option when adding your desired string set to the shopping cart.

Strap Button Installation:1-2 buttons are installed to allow the use of a strap. Color options available.

Pickup installation:for players who would like the option to play or record with amplification.

Friction Tuner Upgrade (friction tuners only):We offer upgrade options for select instruments with friction tuners to be retrofitted with new geared tuners for better precision and comfort when tuning.

Left-handed Setup:Left-handed setups are also available upon request. Occasionally an additional charge may be added for compensated saddles on select models.

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Shipping Information

For more even more details and FAQ visit our Shipping Page under the Company Info tab at the header menu.

FedEx is our primary shipping carrier, all orders that qualify for free domestic shipping will be sent using FedEx. UPS and DHL can also be chosen as alternative options upon checkout, USPS is only used for smaller accessory orders.

As soon as the shipping label is created you will be automatically notified via email with tracking information. All packages will be shipped with a signature requirement by default. If you do not wish to have a signature requirement you will need to notify us, either by leaving a note in the “special instructions” when adding the item(s) to your shopping cart or by emailing our shipping department directly. Any shipping related requests (hold/delay/address change) should also be directed to our shipping department (

NOTE FOR INTERNATIONAL CUSTOMERS: You may also be required to pay import duties/taxes, this will vary depending on your location and the value of the item(s). To estimate these taxes, you can contact your local customs office. Fedex also offers a helpful estimation tool:

UNITED STATES FISH AND WILDLIFE PERMIT: If your ukulele contains any amount of shell inlay (abalone or pearl) it will require a permit to be shipped internationally. The cost of this permit is $93.00 USD. We will handle the paperwork and file the permit for you, but the cost of all duties and fees are the responsibility of the customer.

SHIPPING COSTwill vary depending on the size dimensions and weight of the package as well as the destination. To get a quote, use the “Calculate Shipping Cost” link located next to the “Add to Cart button” on each listing.

This is made even easier when you are already logged in to your customer account. Follow this link to create an account if you don’t already have one go HERE.

FREE SHIPPING:All orders within the USA with a total over $500 will qualify for free FedEx 2-day air shipping.

SHIPMENT AND TRACKING NOTIFICATIONSare sent automatically via email as soon as the shipping label is created so please make sure your email address is accurate when placing the order. Outgoing shipments are picked up by our shipping carriers Monday through Friday.

ACCESSORY AND CASE ORDERS:While non-instrument orders for cases and accessories do not require the same processing time needed for instruments, they do require time for processing and packing. The typical processing time for accessory/case orders is (1-4 business days) depending on current order volume.


*If you would like to receive your instrument as soon as possible you can forego the full setup process by selecting the “Basic QC Only” option or by selecting the “Full Setup RUSH” option when adding instruments to your shopping cart. More details are available under the “Setup Options” tab.

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1. UGH 2010/ウクレレエキシビション
(shinji takahashi)
2. UKULELE FRIEND: Given Yagi and Oulcraft Longneck Concert Ukulele - (Live Performance)
(Shawn Yacavone)
3. UKULELE FRIEND: Given Yagi and Oulcraft Longneck Soprano Ukulele - (Live Performance)
(Shawn Yacavone)
4. UKULELE FRIEND: Kalei Gamiao and Oulcraft Longneck Soprano Ukulele
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5. UKULELE FRIEND: Kalei Gamiao and Custom Oulcraft Tenor Ukulele
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6. UKULELE FRIEND: Kalei Gamiao and Oulcraft Longneck Soprano Ukulele
(Shawn Yacavone)

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