TCGAKKI・Advanced Guitars・Okubo GakkiRepair/Adjustment/Customization

TCGAKKIWhy Repair is Chosen

Emergency repairs also available

Our repair specialists are always on hand, so you can rest assured even with sudden issues like instrument malfunctions the day before a gig. We can examine your instrument on the spot when you bring it in. (Depending on how busy we are, we may not be able to accommodate you.)

We warmly welcome instruments purchased at other stores!

No matter where it was purchased, it remains your precious instrument.
Let us assist all who love musical instruments.

Comprehensive Parts Inventory

Instrument repair requires not only technical skill but also a wide inventory of parts. To achieve ideal restoration and repair, we maintain a substantial stock of both domestic and imported used and vintage parts.

Technology and support to achieve your ideal sound

Our products are maintained and sold by dedicated staff.


To ensure even beginners can use them with confidence, we meticulously inspect and adjust even high-priced vintage instruments, bringing them to peak condition before sale.
We passionately maintain vintage saxophones and other instruments to convey their superb craftsmanship, as well as the unique resonance and charm of well-played guitars and violins, to our next customers!

We can accommodate your desired customizations.


Beyond customizations like pickup replacements and preamp installations, we'll help make your instrument life more enjoyable—even crafting your very own original model!
Feel free to contact us anytime.

Repair booths available in-store


We handle all types of repairs, thanks to our close collaboration not only with our in-house repair booths but also with external workshops boasting extensive facilities.
If you have any questions or concerns about musical instruments, please feel free to ask.

Repair Process

STEP 1
Inquiries and Reception

Feel free to chat with us anytime.
【Important】Regarding Online Registration
Electric guitar ElectricBassCustomers wishing to have their acoustic guitars repaired should purchase the "Repair Ticket (¥0)" below (add to cart and complete checkout).
※While the system will show this as a "purchase," please rest assured that no charges will be incurred at this stage.

STEP 2
Bringing your own instrument

Please bring your instrument to the store.
Our repair staff will conduct a detailed consultation regarding the condition of your instrument and any symptoms you are concerned about.

STEP 3
Quotation

We will inspect the instrument you have entrusted to us and inform you of the repair details, estimated cost, and delivery time.
We will not proceed with repairs without your consent.

STEP 4
Repair and Adjustment

Our specialized staff will perform the work carefully and promptly.
If any new issues are discovered during the work, we may need to consult with you again.

STEP 5
Receiving and Payment

We will contact you once the repair is complete. Please come to the store to inspect the finished item.
If there are no issues, payment will be made and the instrument will be handed over.