Nady Systems CM-90 microphone
Contents
1. B Power requirement 48VDC phantom power Equivalent noise level to DIN 45405 CCIR 468 2 28DB Specifications and design subject to change for improvement purposes 08 15 012. NADY CM SERIES we USER GUIDE 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 ad vantage of the superb features of this microphone and to enjoy long and trouble free use please read this user s guide carefully UNPACKING INSPECTION STORAGE AND TRANSPORT 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 trans port or permanent storage The larger SMCC 2 has roomy compartments for several microphones and all available acces sories including the SMPS 1 phantom power supply plus XLR cables STANDARD ITEMS SUPPLIED OPTIONAL ACCESSORIES CM90 microphone A8V phantom power supply SMPS 1 Microphone clip Aluminum carrying case SMCC 2 Foam windscreen FW 1 90 Leath
3. a foam windscreen FW 1 90 This windscreen fits over the grill portion of the microphone and is designed primarily to decrease bass rumble from wind noise pickup during outdoor live or recording use It is also useful in keeping mouth spray out of the microphone head The FW 1 or other windscreen should be used whenever someone is close miked to both protect the microphone and to also eliminate popping sounds from percussive breath sounds N ote Be aware that the foam windscreen will slightly attenuate the high frequency response of the microphone CONNECTING THE CM 90 The CM 90 can be used in live sound reinforcement and broadcasting and in studio or live recording It must be powered by A8V phantom power such as supplied by the optional Nady SMPS 1 phantom power supply or a mixing console with phan tom powering and amplified by a microphone pre amp such as built into a mixer or a stand alone unit Note Make sure to set the pre amp to the proper gain level too much gain may distort subsequent amplifiers and too little may result in a noisy signal The CM 90 can be connected to your mixer or phantom power supply using a standard balanced 3 pin XLR microphone cable Before connecting to a mixer directly turn the channel to which you re connecting to its lowest gain setting If you are using the Nady SMPS 1 Phantom Power Supply connect in the following order 1 Connect the CM 90 to the SMPS 1 2 Connect the SMPS 1 Signal Output
4. erette pouch Instruction manual Warranty card FEATURES 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 distor tion 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 sup plied by the microphone pre amplifier or mixing console The optional Nady SMPS 1 phantom power supply can also be used WARNING The capsule is the heart of the condenser microphone If it becomes dirty or wet the sound will be degraded Never spray any liquid on the microphone head Always use a foam windscreen if you talk or sing close to the microphone grill screen USING THE FOAM WINDSCREEN The CM 90 is supplied with
5. to your mixer 3 Connect the SMPS 1 to the AC power supply 115 230VAC A Turn on the SMPS 1 Power ON OFF switch Slowly turn up the channel gain in your mixer to the desired level SERVICE U S Should your Nady microphone require service please contact the Nady Service Department via phone at 510 652 2411 or e mail at service nady com INTERNATIONAL For service please contact the Nady distributor in your country through the dealer from whom you purchased this product Date of purchase Dealer s Name Street City State Zip Do not attempt to service this unit yourself as it will void your warranty CM 90 SPECIFICATIONS Type True condenser pressure gradient microphone IEC 268 4 A weighted 19dB A with 0 79 inch 20mm diaphragm and FET S N ratio re 1Pa 75dB Polar pattern Cardioid Current consumption lt 3mA Open circuit sensitiity 14mV Pa 37dBV OdBV 1V Pa Ambient temperature range 14 F to 140 F 10 C to 60 C Frequency range 40 to 16000Hz Relative humidity range 90 68 F 20 C 85 140 F 60 C Rated output impedance lt 200 Ohms Connector 3 pin XLR gold plated Recommend load Impedance 21000 Ohms Phasing Positive voltage on pin 2 relative to pin 3 Max SPL 1 THD 1000Hz 131dB Mic cable 3 pin XLR standard cable not supplied Equivalent noise level to Size Diameter 0 9 22mm Length 5 1 130mm DIN 45405 CCIR 468 2 28DB Net weight 5oz 130g Max SPL 1 THD 1000Hz 131d
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