itsapleasure wrote on Fri, 03 April 2009 13:55 |
Wow! This thread went bizerko...
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So, did you get what you need from it?
If not, let's revisit the original question:
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Aside from the obvious eBay risks, etc, what are some red flags to look for when shopping for these things? Also, how important is it to keep them close in age/serial #?
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The most crucial of all the components on a KMx is hard to inspect by the lay person: the capsule. An amp problem is always easily detected: an unusual amount of noise, a very low output or other stark tell-tale signs. (The amp is rarely if ever implicated in frequency anomalies, like attenuated high frequencies, harsh midrange or lack of bass.)
Yet, only disassembly of the capsule head (not recommended!) would give you clues as to the diaphragm's previous use/abuse.
What you then could theoretically do, but which is also tricky, is simply compare the candidate to another KM84 you borrow. The problem with that is that Neumann used several distinct sounding capsule generations on that model through the years. They are all acceptable in sound quality, but may make it hard to pair match.
Aside of the previously mentioned idea to get two mics that are close in serial umber and past use, the one advice which again emphasizes your involvement above that of anyone else's expertise is to listen. If the mic is emotionally attractive to your ears, it is right. If not, go to the next one, and so on, until you find the most appealing sounding sample.
KM84 are often all over the map, in terms of their sonic impression, and without any pin-point coordinates to go by, it is up to you an your ears to make the decision when you have found the ones that please.