Exceptional Japanese tools for use in the making and repair of stringed instruments.
Gotoh Bass Tuners - GB640
Lightweight and solid, Gotoh's GB640 and reverse-wind GBR640 bass tuners have a gear ratio of 28:1.
Available in seven finishes. The weight per piece is only 67 grams, compare with similar sized tuners with a weight of 110 to 115 grams per piece.
RES-O-LITE
Example shown in nickel finish (N).
GB640/GBR640 Dimension Diagram
Please check the measurements in this guide against the dimensions of the headstock that you plan to install upon.
It is always best practice to measure carefully and/or to use the service of repair professionals.
GB640 and GBR640 machine heads have the same dimensions.
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Black Chrome GB640 4-String Bass Tuning Machine Set
Set of four GB640 in black chrome finish. Gear ratio: 28:1. RES-O-LITE series. Adjustable tension. Weight per piece: 61.8 grams. Package includes bushings + wood screws + hex wrench.
All of the prices on this website are in US Dollars unless indicated otherwise.
Just the FAQs
us your list of items along with your shipping address and telephone number*
We'll send you back a quote, usually within 2 business days
Once the order is agreed to, you pay via PayPal
Order handling takes about 2-4 weeks for Gotoh**, 2-5 business days otherwise.
We ship to you via fast and secure Japan Post EMS or Canada Post***.
A More Detailed Description
If you would like to make an order send us your shipping address and telephone number* along with the list of items that you would like to purchase.
We will then send you a quote/invoice for you to inspect (can take up to 2 business days due to time zone differences).
If you agree to the terms, just let us know and we will send a PayPal payment request to complete the transaction.
Please note that you do not need a PayPal account to make a payment through PayPal; they accept most credit cards.
Handling of orders takes approximately 1 week for DoMo or Uo-Chikyu products and 2-4 weeks** for Gotoh products.
Shipments are sent via Japan Post's fast and secure EMS service (4 business days to most locations, with tracking).
* EMS shipping requires a telephone number. We can't ship from Japan without one.
** Gotoh products are generally manufactured to order. This generally takes just a few weeks but we are unable to guarantee an exact shipping schedule ahead of time.
*** Most Uo-Chikyu and some DoMo products ship from Canada. Most DoMo and almost all Gotoh products ship from Japan.