Check the Neumann diamond logo. Genuine badges have crisp, raised lettering. Counterfeits often use stickers or poorly cast metal that lacks the sharp detail of the original. 3. Contacting Neumann "Sennheiser" Support
For vintage transistor microphones (U87, U67 Reissue, KM series): check neumann serial number better
Knowledge is power (and savings) in the vintage mic market. 🔌🎤 Check the Neumann diamond logo
Checking the serial number of your Neumann equipment is vital for several reasons: check neumann serial number better