Nady Systems CM90 User Manual

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CM 90 Studio Condenser Microphones

Congratulations on purchasing the Nady CM 90 classic small-diaphragm condenser microphone. This superior microphone is perfect for recording and stage reinforcement of acoustic guitar, drum overheads, hi-hats, snares, piano and horns. Powerful and versatile, the CM 90 meets the stringent requirements of even the most demanding digital recording and live sound applications

This manual covers the operation of the CM 90 and the optional phantom power supply SMPS-1. To take full advantage of the superb features of this microphone, and to enjoy long and trouble-free use, please read this user’s guide carefully.


Your CM 90 microphone was carefully packed at the factory, and the shipping carton was designed to protect the unit during shipping. Please retain this container in the highly unlikely event that you ever need to return your microphone for servicing. The optional SMCC-1 plastic or the SMCC-2 aluminum carrying case are highly recommended for convenient and safe transport or permanent storage. The larger SMCC-2 has roomy compartments for several microphones and all available accessories, including the SMPS-1 phantom power supply, plus XLR cables.




CM90 microphone


48V phantom power supply (SMPS-1)

Microphone clip


Aluminum carrying case (SMCC-2)

Foam windscreen (FW-1/90)



Leatherette pouch



Instruction manual



Warranty card









The CM 90 is a classic small diaphragm (0.79”, 20mm) condenser mic. It offers transformerless output and true condenser design (element constantly biased by the pre-amp) for exceptionally low self noise and increased dynamic range, enhanced low and high end response with improved linearity across the frequency range and maximum SPL capacity.

The capsule is hand tooled from brass and features a 3-micron gold-evaporated-on-Mylar diaphragm for maximum sensitivity, long life, detail and tone. The CM 90 uses a carefully selected Field Effect Transistor (FET), specially chosen for its low distortion and superior signal-to-noise ratio.

(Note: For optimum performance, it is best to let the microphone warm up for 5 to 10 minutes)

The CM 90 is manufactured with the finest materials and features a machined housing with advanced internal shock mount construction for the highest structural integrity and rugged reliability. It requires 48V phantom power to operate, typically supplied by the microphone pre-amplifier or mixing console. The optional Nady SMPS-1 phantom power supply can also be used.

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