Re: Reducing self noise with capsules in parallel ?
Thanks to all for the explanation. I was asking this because I have in mind to get 10 or more AOM-5024L-HD-R. See if I have the luck to find matched capsules and then, make a SASS mic. A few more
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Sey
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#34174
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Re: any interest in k103 capsules?
Heya Ari! I have a dead TLM103 sitting in my desk. I was going to get Gousheng mail me a dark sounding K47 as replacement but I can wait ;) --- Mateus Borges https://flow.page/mateusaudiofarm Life's
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Mateus Borges
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#34173
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Re: Headbasket specs
I don't have any suggestions on specifics, but I know a couple of people on the list have some mics that would be good to get some measurements from. My biggest thing (which I'm pretty sure you're all
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Tom Benedict
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#34172
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Headbasket specs
I'm doing DIY head baskets. Do you have any suggestions on mesh sizes for layered head baskets? Number of weaves, wire thickness etc. What does the 67 use?
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Ari
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#34171
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Re: any interest in k103 capsules?
Ari, I tried to email you offlist, but gmail thinks I am spam and bounced my message. Could you email me offlist? Thet
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thet
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#34170
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Re: Reducing self noise with capsules in parallel ?
Exactly. Phase combination (cancellation as well as enhancement) is what changes the directivity pattern in a multiple capsule arrangement.
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Jerry Lee Marcel
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#34169
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Re: Reducing self noise with capsules in parallel ?
Wouldn't you also have to take phase difference into account for higher frequencies? It seems like a difference in arrival time of non-noise high-frequency content would undermine correlation. >
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Gavin Stokes
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#34168
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Re: Reducing self noise with capsules in parallel ?
All this is correct, however, one must consider the changes in directivity pattern. Depending on the physical arrangement (side by side, colinear, back-to-back...) the results may change
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Jerry Lee Marcel
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#34167
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Re: Reducing self noise with capsules in parallel ?
The concept is that the audio signal from the capsules is correlated and the def noise is not. The math part says that adding two capsules gives you a 6dB increase in signal. But the noise only adds
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Jules Ryckebusch
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#34166
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Reducing self noise with capsules in parallel ?
I was trying to find information online but didn't find a good explanation Reading at https://acousticnature.com/journal/how-to-make-diy-sass-microphone I see Jared use 2 pair of Primo em272 per
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Sey
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#34165
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Re: any interest in k103 capsules?
This looks Great. And Rule number one for Microphones: The Capsule IS the microphone... (well 90%) of it. Jules
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Jules Ryckebusch
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#34164
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Re: any interest in k103 capsules?
Maybe I'll make some. Took me ages to figure out how this thing was constructed geometrically. I don¡¯t measure and copy hole patterns when I model capsules, I figure out how the patterns are
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Ari
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#34163
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Re: any interest in k103 capsules?
*Phil Manning* *www.foundry85.com <http://www.foundry85.com>** ~ classic recording studio* *www.artistpianocare.ca <http://www.artistpianocare.ca>* *~piano tuning & service* *Ajax studio:
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Phil Manning
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#34162
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any interest in k103 capsules?
There have been third party K47, k67, CK12 capsules etc, but I've never seen someone sell a K103. Would anyone buy one?
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Ari
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#34161
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Re: accordion mic
latest revision: http://halfshavedyaks.xyz/forumimages/4mic2chanV3.png Initial layout suggests that the board will be about 40mmx65mm though I will try to make it smaller. Thickness will be about 15mm
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thet
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#34160
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Re: accordion mic
R1, R4 etc are the source resistors for the fets in the capsules. the capsules are not depicted as they wouldn't be on the board. As I mentioned earlier it might be desirable to make these trimpots,
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thet
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#34159
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Re: accordion mic
In this case all the simulator is doing is ohms law, so it is trustworthy - purely for the avoidance of stupid mistakes rather than any great insight. I wouldn't trust it in some more complex
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thet
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#34158
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Re: accordion mic
I'm guessing these 'simulation' programs are for the 'obedience of fools and the guidance of wise men' ?... Listing voltages to 3 decimal places is clearly nonsense. No two 'real world' examples of
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Arjay1949
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#34157
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Re: accordion mic
OH NO the actual link is this: http://halfshavedyaks.xyz/forumimages/4mic2chanSeriesPower2.png
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thet
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#34156
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Re: accordion mic
Yes there were some obvious stupid mistakes notably I showed 48v at the XLR pins and worked down from there which is rubbish. sorry it was really just to show the topology. I have done an improved one
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thet
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#34155
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