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Author Topic: Warning: Not All "K47" Capsules Are K47!  (Read 1149 times)

klaus

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Warning: Not All "K47" Capsules Are K47!
« on: November 27, 2018, 04:18:35 pm »

Lately sellers on eBay, Reverb, and other sites, sell "Neumann K47" that are actually cardioid-only TLM49 capsules with only one usable side (the rear diaphragm serves just as mechanical damping, but is not sputtered with conductive gold).

Sellers can offer these "K47"- named capsules for considerably less than a genuine K47 and still make a nice profit. What is particularly frustrating: when confronted, sellers will (rightfully?) refer to Neumann's web site, where the capsule is indeed claimed to be the "Same capsule design as the legendary U 47 and M 49".

Again: these capsules can NOT be used in multi-pattern mics like U47, U48, and M149. When in doubt, get a picture of both sides! (Picture of TLM49 capsule's rear side attached.)
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Klaus Heyne
German Masterworks®
www.GermanMasterworks.com

Avgatzeblouz

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Re: Warning: Not All "K47" Capsules Are K47!
« Reply #1 on: November 30, 2018, 12:55:34 pm »

Hi Klaus, this could explain the model K49fet (#514753): Sennheiser told me about 2 years ago that it was in the same price range as the K47fet.
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klaus

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Re: Warning: Not All "K47" Capsules Are K47!
« Reply #2 on: November 30, 2018, 04:45:22 pm »

Price range, maybe, but not part number: K47fet capsule = 053223.

Unlike the K49fet capsule, I have not seen a K47fet capsule without sputtering on the rear. But corners are cut every day everywhere....
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Klaus Heyne
German Masterworks®
www.GermanMasterworks.com

Avgatzeblouz

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Re: Warning: Not All "K47" Capsules Are K47!
« Reply #3 on: December 15, 2018, 09:38:36 am »

Price range, maybe, but not part number: K47fet capsule = 053223.

Unlike the K49fet capsule, I have not seen a K47fet capsule without sputtering on the rear. But corners are cut every day everywhere....

I guess they are sonically the same as the K47-fet or K49 when used in cardio mode ?
EDIT : found on this very forum, that Neumann confirmed this to Klaus.
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mikezietsman

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Re: Warning: Not All "K47" Capsules Are K47!
« Reply #4 on: December 19, 2018, 04:27:11 pm »

It is something that has been bothering me slightly for a while,
Is it possible to use two of these capsules to make one useable (and functionally identical) k49/k47 type capsule?

From memory there are four longer screws in each k47 type capsule which connect the two halves of the backplate... does undoing those screws de-tension anything? Is it possible to put the halves back together afterwards?



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klaus

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Re: Warning: Not All "K47" Capsules Are K47!
« Reply #5 on: December 19, 2018, 09:01:09 pm »

The K67 does have two backplate halves screwed and held together with four screws. The K47 has one backplate.

Even if you had two K49 capsules, you cannot remove the sides with the conductive diaphragm. It will fall apart as soon as you unscrew the 12 diaphragm mounting screws.
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Klaus Heyne
German Masterworks®
www.GermanMasterworks.com

mikezietsman

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Re: Warning: Not All "K47" Capsules Are K47!
« Reply #6 on: December 20, 2018, 03:04:31 am »

 :-X

Getting my capsules confused

(hopefully not an unforgivable sin around these parts)
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aremos

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Re: Warning: Not All "K47" Capsules Are K47!
« Reply #7 on: February 06, 2019, 09:35:47 pm »

So, this is the one used in the 47Fet?
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klaus

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Re: Warning: Not All "K47" Capsules Are K47!
« Reply #8 on: February 07, 2019, 12:42:09 am »

By "this' you mean....?
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Klaus Heyne
German Masterworks®
www.GermanMasterworks.com
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