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M7 M7e capsules
Old 3rd July 2005
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shangoe's Avatar

M7 M7e capsules

can someone tell if there are anny differences between the m7 and the m7e capsule from gefell?

Old 4th July 2005
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Klaus's Avatar

M7 Capsule from Microtech Gefell

The M7- story is a bit confusing, because neither Neumann/Berlin nor Neumann/Gefell ever bothered to trademark the capsule.

Today, Gefell makes two capsules that look like an original M7 Neumann capsule:

1. The original (Neumann East/West/Microtech Gefell) M7 capsule, made with PVC diaphragms (ca. 8-10µ thin)
This is in my opinion the ONLY capsule that can legitimately be called "M7" because it has the sound, dimensions, and material characteristics of the original- precisely because it is the original.

2. Various manufacturers (including Gefell) make an M7- looking capsule with an M7- inspired/copied/cloned brass backplate but with the much easier to manufacture Mylar/Polyester- the Germans like to call it "PE"- diaphragm (mostly 6µ thin) instead of the very laborious PVC diaphragm.

In the case of Gefell, at least the backplate is “original M7”, where all other manufacturers copy, more or less successfully, that backplate design.

If you want the sound of an M7, there is only one way to it: Buy a Gefell or old stock Neumann PVC M7. Everything else, including Gefell's valiant effort of marrying the M7 backplate and diaphragm dimensions with diaphragm material using pre-manufactured, thinner polyester films, will not sound acceptably close.

Kind regards from a fellow Berliner,
Klaus Heyne
Old 4th July 2005
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shangoe's Avatar


i did not epect such a good answer. thank you klaus.
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