RK-87 Microphone Capsule


The RK-87 is a dual-backplate, dual-membrane condenser mic capsule based on the Neumann K87.

The RK-87 is a 34mm capsule and utilizes 3-micron mylar, sputtered with gold. It supports both multi-pattern and cardiod-only condenser microphones.

(8 customer reviews)

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The RK-87 mic capsule is a Chinese OEM replica of the classic Neumann K87. It features a dual-backplate construction and is made with 3-micron gold-sputtered mylar.

The RK-87 supports both cardiod-only and multi-pattern microphone circuits.

What’s Included:

  • RK-87 microphone capsule
  • Mounting post and saddle
  • Backplate termination wire
  • Screws for the saddle and termination wire

Technical Specifications

  • Polar pattern: multi-directional (cardiod, figure 8, omni)
  • Frequency response: 20Hz – 20kHz
  • Sensitivity: -36dB ±2dB (0dB = 1V/Pa at 1kHz)
  • Output impedance: 200Ω ±30% at 1kHz
  • Max Input SPL: 140dB at 1kHz = 1% THD
  • Capacitance: 54±4pF
  • Double-sided
  • 34mm diameter x 13.4mm

Additional information

Weight .25 lbs
Dimensions 2.5 × 2 × .75 in


8 reviews for RK-87 Microphone Capsule

  1. Chris F.

    Great product and super fast ship. Thanks!!

  2. Daniel M.

    Fast shipment!!!

  3. Dustin B.

    Works great!

  4. Isaac P.

    Honorable seller. Great communication.

  5. Matthew H.

    Just awesome! 🙏👍

  6. Dan W.

    Super fast shipping and awesome prices. Will definitely buy from again!

  7. Signal Sound

    All good Thanks

  8. Anonymous

    Capsule arrived quickly and in good shape.

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