Sennheiser MD 403 (Labor W)
Price$400
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Listed:12 hours ago
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Fort Lauderdale, FL, United States
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MD 403 working condition with XLR connector!
“Labor W” refers to Laboratorium Wennebostel, the original name of the Sennheiser company.
History
- 1945 – Prof. Fritz Sennheiser founded a small audio laboratory in Wennebostel, Germany.
- The company was first called Laboratorium Wennebostel, often abbreviated “Labor W.”
- Early microphones and audio gear were branded Labor W, not Sennheiser.
- 1958 – The company officially changed its name to Sennheiser electronic.
What this means for your MD 403
If your MD 403 says Labor W:
- It is an early production Sennheiser microphone.
- Likely made before or around the late 1950s–early 1960s.
- It represents the transition period from Labor W to Sennheiser branding.
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| Listed | 12 hours ago |
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| Condition | Excellent (Used) Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more |
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