The classic 87 is arguably the most widely-used large diaphragm condenser microphone in pop recording history. Rather than base our WA-87 circuit on current incarnations of this mic, we decided to closely follow the early circuit designs that date back nearly half a century. As is true with many classic microphones, engineers who have worked with different versions of these microphones often prefer the warmer, more forgiving nature of the earlier commercially available models. The desire to re-introduce the warm tone of this classic mic at an affordable price to an all new generation of recording artists was the inspiration behind the WA-87.


  • Microphone Type: large condenser studio microphone.

  • Based on the classic "87-style" circuit.

  • Microphone includes shock mount, hard mount and wood box.

  • Polar Patterns: Cardioid, figure of eight, and omnidirectional.

  • Capsule: Lens Kondensator LK-87-B-50V reproduction of classic dual backplate (four wire termination) K87 capsule.

  • Diaphragm: 6 micron thickness, 1 inch diameter, gold sputtered membrane, NOS Japanese mylar (PET film).

  • Output Transformer: CineMag USA.

  • Frequency Response: 20hz - 20khz.

  • SPL: .5% THD @ 125db (without pad),132db (with pad).

  • Pad: -10db.

  • Output: 150 ohms, 24k gold plated, 3 pin XLR (pin 1 = gnd, pin 2 = +, pin 3 = -), transformer coupled via Cinemag USA output transformer.

  • High Pass Filter: 80hz.

  • Noise: -117db.

  • Colour: nickel (painted).

Warm Audio - WA-87 Condenser Microphone