This circle is a date stamp.
Before decoding, you must first locate the physical sticker. tc electronic serial number decoder
Practical uses and limits
Some budget pedals (e.g., “Behringer-made TC” after 2018) may have no visible serial number at all. In that case, only internal PCB markings or batch codes on capacitors can approximate the date. This circle is a date stamp
Use this guide to interpret the serial number on your TC Electronic pedal, rack unit, or audio device. Most TC Electronic products follow a date‑based serial number format, typically found on a sticker on the housing, back panel, or inside the battery compartment. tc electronic serial number decoder
Usually found on a sticker on the bottom of the unit or inside the battery compartment.