MXL-990 Microphone Rebuild


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SKU: 990u Category:

This is an upgrade to YOUR microphone. 

Standard Upgrade:

  • Replace MXL SDC capsule with a LDC K-47 style  Brass Ring capsule
  • Replace MXL Electronics with a our fully discrete jaSb-990 circuit board (Cardioid Only)


  • Internal Cardioid/Omni Pattern Switch.
  • Improved Headbasket from

Contact me first if you have any questions about the upgrade or the options. Once you choose the option and checkout, I will give you another form where you can enter your tracking info when you ship the mic to me at RockScience. Turn-around time is normally pretty fast.

Note: The improved headbasket from mic-parts does not have the cardioid emblem on the front as shown in some of the photos.


Weight 1.5 lbs
Dimensions 15 × 25 × 15 in

Cardioid Only and stock headbasket, Internal Pattern Switch and stock headbasket, Cardioid Only and Mic Parts Headbasket, Internal Pattern Switch and Mic Parts Headbasket


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