Marshall Electronics, Inc.
1910 East Maple Ave. El Segundo, CA 90245
Phone: (310) 333-0606 Fax: (310) 333-0688
E-mail: [email protected]
MXL 604
Small Diaphragm
Condenser Microphone
Thank you for purchasing the MXL 604 Instrument 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 with a fixed cardioid pickup and an interchangeable omni-directional
capsule. Condenser microphones tend to be very sensitive, readily revealing very subtle sonic details. They also tend to pick up ambient
sounds more than dynamic microphones, 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 hearing damage!
Power Requirements
IMPORTANT - This unit requires phantom power at 48 volts, +/- 4 volts. Each unit has been thoroughly checked before shipping,
so if you do not hear sound, check that the phantom power on your mixer or separate power supply is switched on!
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 allows noise to enter, or causes distortion and loss of information. Use only the best microphone cable your
budget will allow. We recommend using Mogami® brand cable.
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 clean soft cloth.
Technical Data
Type:
Pressure gradient 22mm capsule
6 micron gold-sputtered
30 Hz - 20 kHz
Polar Pattern
Diaphragm:
Frequency Range:
Polar Pattern:
Sensitivity:
0
Cardioid/Omnidirectional
15 mv/Pa
270
90
Impedance:
150 ohms
Omni
Cardioid
Pre-Attenuation Switch: 0 dB, -10 dB
High Pass Filter:
Equivalent Noise:
S/N Ratio:
6 dB/octave @ 150 Hz
180
17 dB (A weighted IEC 268-4)
77 dB (Ref. 1 Pa A weighted)
Frequency Chart
Max SPL for 0.5% THD: 137 dB
Power Requirements: 48V phantom power (+/- 4V)
Size:
86 in x 5.2 in/22mm x 133mm
0.3 lbs/136g
Weight:
Metal Finish:
Nickel plated
Warranty
Marshall microphones are guaranteed against defects in material and workmanship for Three years 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 not cover
incidental damages due to use of this unit, nor damage caused by accidental misuse of this product.
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