Check Neumann Serial Number [exclusive] -

Most modern Neumanns (like the U 87 Ai) have the serial number engraved on the base of the microphone, near the pins of the XLR connector. Internal Labels:

Reluctantly, the kid stepped back. Elias unscrewed the XLR module. As it slid out, dangling by delicate wires, the smell hit him. Real vintage electronics smell like dust and warm resin. This smelled like... factory sealant. Fresh glue. check neumann serial number

"Quiet in here, isn't it?" the kid asked. Most modern Neumanns (like the U 87 Ai)

Neumann has authorized service partners globally. If you send them the serial number, they typically verify the microphone for you. They require the physical unit. dangling by delicate wires