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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

Go for the SSM2019 it is really good. that corp makes really good ones too Best Regards, Jules Ryckebusch

Yes it is Jules.....By the way got money back on those ssm2017 chips from china....Going to build some pres with the s9015 pnp pairs shortly...

Isn’t fun to build a Mic that surprises you with how good it is? Best Regards, Jules Ryckebusch

Cheers dude. I'm sure my noisy drummer mates neighbours will hate you for this ?

Look up nordicaudiolabs on you tube for schematic.....Works with all mic pres or mixers that are not transformer coupled on input....Never heard better cymbals and hi hats with any other mics i ever

I put some in a xlr conn stuck out and wrapped the end with thick screen...They are uni so need back exposed...The schematic is floating around on you tube and has one 27k resistor from pin 2 on xlr

How have you mounted them?

Oooh interested in this, have two very good friends who are drummers and general musos.. I'm more about nature sounds and general sound design. When you mention the schematic, I assume you are