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Hello, Been lurking this group for a while and finally got around to actually building something! About 2 years ago I had some extra MDF lying around so I decided it would be fun to make my very own

True Chris, we tend ti diverge on topics. Short answer is there are no inexpensive K87 style capsules I know of. Most are single Backplate. You are right that it is engineering. Precision engineering

Thiersch has been re-diaphragming Neumann capsules for decades and I have never had to reject a capsule. It's far from art, it's pure engineering. Anyway none of this has anything to do with what I

I agree with Matt on this one. Rebuilding capsules is an art more than science. I know of people that do this. It is on par (although easier) with rebuilding a car engine. The current capsules made

Matt's capsules are great. I have used the RK87 and the RK12, and they sound beautiful. Another option may be from Arianne Audio: https://www.arienneaudio.com/. 47 Flat is great, but I haven't

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

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

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. https://www.jlielectronics.com/microphone-capsules/# wrote: -- Sean O'Rourke

Hi Everyone, I have been asked to temporarily fit some K87 capsules to some U87's while their capsules are refurbished. Can anyone recommend a cheap source of good K87 capsules with isolated

A larger capsule will generally have a lower SNR as there’s more signal due to the larger area and the noise is mainly generated by the electronics. But yes, if you add several smaller capsules with

Thanks, Marcel. Are you saying a 5-cluster's S:N will be 2.25 x higher than a single one? Or under my scenario a same-area large capsule? Let's simplify the scenario: two small capsules vs. one larger

If all the 5 capsules have the same weighting in the array, S/N would increase by 2.25 (about 7dB). However, proper arrays have different weighting and phasing for each mic. Typically, arrays are used

Got it, thanks Jules!? I'm actually familiar with that concept from another field (mass spectrometry). So now this followup: If a cluster of 5 small capsules around a center one has the same total

Both work. The only difference is the polarity '"phase").

I think that is wrong....Mic Scharf? ...27k goes from pin 2 to ground pin 1....pin 3 goes to plus on capsule...pin 2 goes to minus on capsule...Thats how all mine our wired and work good....

Hey Joe, the theory goes like this: the signal to each microphone is correlated. For two capsules the signal adds by 6dB. But the noise is not correlated so it adds by 3dB. You have to keep doubling

I've read that an advantage of a cluster of capsules is a decrease in noise (or is it just increased S:N?).? If lower, why? Can the array's noise be lower than that of a single capsule of that model?

If they don’t work out you can always bust out your soldering iron ? Best Regards, Jules Ryckebusch

I just wanted to thank everyone who responded. I have settled on a pair of AT4041 mics and have placed an order. Fingers crossed I'm happy with the results! Thanks again! 73 Eugene W2HX Subscribe to

How I see it: Resistor is from pin 1 to pin 3, pin3 to negative on capsule and plus on capsule to pin 2