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Author Topic: Repair Broken-off Nipples on Low Cut, Pad Switches, Neumann U87  (Read 1130 times)


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  • Real Full Name: Ruud van Steenis

I have seen many U87 microphones with broken pins of the low cut/pad switches.
Is there a good way to repair those switch pins?
I know that Neumann sells the complete switch/capsule mounting assembly, for a pretty high price.
(I don't think $471 is a realistic price to replace a single broken switch pin...)
I found that Soundlock Engineering is selling replacement switch sliders that are 3-D printed.
Any suggestion is highly appreciated!


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Re: Repair Low cut/pad switch of a Neumann U87
« Reply #1 on: August 02, 2019, 06:21:09 pm »

I buy 1mm ° plastic rods of the color, cut to size (any type of plastic will do), bevel the tip to the exact radius of the original, drill out the broken-off switch section, then insert and glue the new rod into place.

Indistinguishable from the original, when done right.

Klaus Heyne
German Masterworks«
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