You might consider applying your DIY skills to making yourself the adapter. The DPA "microdot" connectors are actually these RF connectors so you can buy a couple of those and solder up your own set. They aren't cheap but I think it's worth it.
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This are the connectors: http://www.pasternack.com/10-32-connectors-category.aspx
This thread by MIQ was very helpful in this regard: http://taperssection.com/index.php?topic=160895.0
Very useful information. Thank you very much Ultfirs101 !!
1) Buy a SMK which are matched, IIRC, around 2-2.5dB of each other but you get the 48V adapters and various other goodies.
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The "matched pair" thing is not a huge dealbreaker IMHO because you can adjust everything in post, and likely will, anyhow.
Like you said, I've seen DPA is also selling them by sets of 2 matched caps with alot of accessories (
http://www.dpamicrophones.com/en/Mic-University/Tech-Guide/Matching-Microphones.aspx).
Fact is I currently have two honest offers from two different guys, each selling one second-hand single 4061's... I could get my pair for less than 450 USD, which would be an amazing deal !
But I'm
really really really afraid of getting a (let's say) 6dB or more gap between left and right channel...
Would this even be possible with two of the same product from the same manufacturer ? Could the gap be even larger than 6dB ?
My current set has a 3dB gap, which is already annoying because I'm losing plenty of room while recording but still OK with a little adjustment in post.
With a gap that is too large, I'm afraid of getting one barely audible channel and the other one with fairly low level. A case that post-production could not solve.
Frankly, as others have mentioned, I'd leave the microdot connectors attached and get a microdot to 1/8" adapter cable from Chris Church (or whomever else can build one for you). At least by doing this, you have the ability to run on phantom power with a recorder that handles XLR should you want/need that or run to the 9100 with the Y cable.
If I finally decide to buy them, I'll take the advice of keeping the microdots and investing in an adaptater cable so I'll be able to use the mics with my 9100 or maybe to switch to a more fitted preamp later on.