SDC Rebuild Microphone

Price range: $199.00 through $299.00

Upgrade your MXL 910 or similar SDC mic with a professional transformer-coupled circuit based on the legendary KM84. Choose your capsule pattern and transformer for a custom sound—featuring premium components from 3U Audio and Cinemag. Our logo and build configuration is laser engraved onto the mic body.  I suggest the flat black finish for these. note: some photos depict microphones with badges which are no longer offered.

Description

Give your small diaphragm condenser microphone a whole new life with our premium SDC rebuild service. This mod transforms an MXL 910 (or similar) into a professional-grade mic using our custom TFM circuit, inspired by the classic Neumann KM84.

Each rebuild includes:

  • TFM transformer-coupled circuit based on the KM84 topology

  • Your choice of 3U Audio capsule: Cardioid, Omni, or Hypercardioid

  • Choice of transformer: 3U GZT84 or Cinemag 5722

The result is a smooth, balanced, and musical mic with low noise, full-range clarity, and transformer warmth that makes it suitable for a wide range of studio applications—from acoustic instruments to overheads and beyond.

This is more than a mod—it’s a precision rebuild, handcrafted with quality components and attention to detail.

note: some photos depict microphones with badges which are no longer offered.

Additional information

Polar Pattern

Cardioid, Hyper-Cardioid, Omni, No Capsule

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