Advanced Audio Microphones CM-87

Advanced Audio CM87

The CM87 is a large-diaphragm, three-pattern, fet condenser microphone that features our double-diaphragm/double back-plate, 6-micron AK67 type capsule and Class A transformer-coupled amplifier design. It is well suited for recording vocals or instruments in any studio or live application.

The CM87 is built to a very high standard and offers a remarkably full yet well-defined and ultra-clean sound that is perfectly suited to the most demanding radio, dialogue and recording tasks. Its pickup pattern can be configured as omni, cardioid, or figure-eight. 

The CM87 has 14dB more headroom than traditional fet/transformer circuits.

Specifications:

• 35mm capsule with dual 6-micron center-fed diaphragms
• Class A fet/discrete transformer-coupled circuit
• 3 pickup patterns selectable via a toggle switch on the body (omni, cardiod or figure-eight)
• 100Hz roll-off, switched from the body
• -10dB pad, switched from the body
• Frequency response: 25Hz to 20kHz
• Noise: -17dB (A-weighted)
• Distortion: 0.5% @ 125dB, and 0.5% at 135dB with -10dB pad engaged
• Impedance: <200 ohms
• 48V requirement
• Robust shock mount
• Aluminum road case