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Hi Matt, having a non original capsule massively devalues the microphone hence the reskin, which doesn't.

I've been doing microphone repairs a long time and Thiersch return capsules as good as the day they were made.

Yeah specially looking for K87 with isolated backplates not K67 (U67) or K870 (U87A).

Cheers

Chris?

On 15 Nov 2023 14:32, recordinghacks <matt@...> wrote:

> Considering they are just to keep the mics going they don't want?
> to spend a fortune which puts the micparts RK87 out of budget.?

We sell RK-87s as an *upgrade* option to many U87i / U87 Ai owners (and TLM103 owners too).?

The cost of an RK-87 is likely to be significantly lower than the cost of refurbishing the Neumann capsule. Seems like testing one might save your client a fair amount of money.

Assuming the refurbishing process would be done by a 3rd party (because, so far as I know, that’s not a service Neumann has ever offered) the refurbishing process won’t deliver an original Neumann capsule anyway, by which I specifically mean those refurb capsules would almost certainly sound different than the originals. At that point, testing alternatives seems like a good idea. YMMV.?

Neumann does not sell bare capsules any more, at least not in the US, although I’m sure they offer repair services for their microphones.


> JLI has some 47's. Not sure if that'll work for you. I didn't see the 87's,?
> but I just did a quick search.
>

K47 capsules would work in the sense of being electrically compatible, with the exception that a U87 i (without DC converter) would only be able to create a Cardioid pattern with a single-backplate K47. But more to the point, the U87 never had a K47 capsule, and a K47 capsule would not sound right and probably would sound quite bad given the bandpass filtering in the U87 circuit.

Also worth noting is JLI’s misleading use of the “RK47” product name; they are not selling genuine RK-47 capsules, but are merely taking MicParts’ product name. Left as an exercise for the reader is to speculate whether that’s done in hopes of profiting from MicParts’ reputation, or out of ignorance regarding the names of historical European capsule designs.

—
matt.