The Sub 37 Upgrade brings the Sub 37 to Subsequent 37 specs; there are two options, a Keyboard Upgrade and a Full Upgrade. The Full Upgrade includes an upgrade to the Sound Engine and keyboard that matches the Subsequent 37, whereas the Keyboard Upgrade is only an upgrade to the keyboard. The Full Upgrade costs $350 plus shipping one way, while the Keyboard Upgrade costs $160 plus shipping one way.
You can learn more about the differences between the Sub 37 and Subsequent 37 in this video.
If you’d like to send it to us for the upgrade, go to moogmusic.com/register and set up profile. Once you register the serial number of your instrument you can select "Return and Repair" from your account. Follow the instructions and within 2-3 business days you will get an RMA number with shipping instructions from one of our techs.
When you are filling out the RMA Report, please put “Sub 37 Full Upgrade” or “Sub 37 Keyboard Upgrade” in the notes.
If you are located outside of the US, please contact the distributor nearest you for more information on proceeding with the upgrade.