This Mullard ECC83 / 12AX7 Valve/Vacuum Tube has been tested and is in working order. Made in the United Kingdom, this preamp tube is a great addition to any vintage sound collection. The tube comes without a manufacturer warranty and is not part of a custom bundle. It is a modified item, but not in a way that affects its functionality. This vintage part is perfect for those looking to add a touch of nostalgia to their sound setup.
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