Jun 16, 2019 — I have an old Sennheiser MD 421 microphone and I could use some help. ... that it's either the "N" version or the "HL"/"HN" version with the varying impedance. ... .​com/manuals/sennheiser/md421-service-manual.html#.
Sennheiser md 421 n manual
Md 402 md 405 t md 406 md 408 n md 409 de luxe md411 hlm md 415 n de lu xe md 420-2 md 420-2t md 421 hl md 421 n de luxe md421 u md 421-2 md 421Â ... 939c2ea5af
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