Marshall Electronics, Inc.
Contents
1. Product Innovation Through Technical Excellence 1910 East Maple Ave El Segundo CA 90245 Phone 310 333 0606 Fax 310 333 0688 E Mail Sales MXLmics com Internet Www MXLmics com Thank you for purchasing the MXL 770 Condenser microphone With proper care this mic will provide many years of satisfaction For best results please take a few moments to review this literature General Characteristics This microphone has a twenty millimetre gold sputtered diaphragm and a fixed cardioid pickup pattern Condenser microphones are very sensitive readily revealing very subtle sonic details They also tend to pick up sounds outside the pattern more than some designs which can lead to powerful feedback if you are not careful We strongly advise experimentation with placement and isolation requirements with the gain initially set low to avoid equipment and ear damage It is strongly advised to use a mesh pop filter to avoid moisture from damaging the capsule Power Requirements IMPORTANT This unit requires phantom power at 48 volts 4 volts Each unit has been thoroughly checked before shipping so if you hear no sound check that the phantom power on your mixer or separate power supply is switched on This microphone will not operate without supplying this external power Microphone Cables The microphone cable can have a profound effect on the sound of any microphone Even the finest microphones will sound poor if the interconnect cable all2. ows noise to enter or causes distortion and loss of information Use only the best microphone cable your budget will allow Care Dust and foreign material can degrade the performance of a microphone over time so always store the unit in its case Remove fingerprints from the exterior with a damp soft cloth Clean the gold contacts occasionally with a de oxidant cleaner TECHNICAL DATA Type Condenser pressure gradient mic with large 20 mm diaphragm Frequency Range 30Hz 20kHz Polar Pattern Cardioid Sensitivity 15mV Pa Impedance 150 ohms S N Ratio 74dB Ref 1Pa A weighted Equivalent Noise 20dB A weighted IEC 268 4 Max SPL for 0 5 THD 137dB High Pass Filter 6dB octave 150HZ Attenuator Switch 0 10dB Power Requirements Phantom Power 48V 4V Current Consumption lt 3 0mA Size 60mm x 154mm Weight 1 Ib Metal Finish Black 20 oe oo oo 10 FF ee Pet tt gn 50 Ea 100 200 E s01 1K 2K 5K 10K 20K Warranty Marshall microphones are guaranteed against defects in material and workmanship for one year from date of purchase Should you encounter any problem with this unit promptly contact the company you purchased it from for assistance The original dated sales receipt will be necessary for any warranty claim Do not send any unit directly to us without prior authorization from our service department Warranty coverage is limited to repair or replacement at our option of the microphone and does no
3. t cover incidental damages due to use of this unit nor damage caused by accidental misuse of this product
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