Crown Audio Microphone CM 200A User Manual

POLAR  
PATTERN  
CARDIOID  
CONDENSER  
MICROPHONE  
CM-200A  
he Crown® CM-200A is a cardioid condenser  
microphone for professional vocal and instru-  
mental use. It offers studio-quality sound, yet  
Features  
Cardioid polar pattern reduces feedback and  
background noise  
Smooth, articulate sound with up-close bass  
boost  
Built rugged for the road  
Handsome styling and comfortable bal-  
ance  
T
is rugged enough to withstand hard professional  
use in the field. Its outstanding performance is  
complemented with handsome styling and a com-  
fortable balance.  
Multi-stage pop filter, low handling noise  
The sound of the CM-200A is smooth and non-  
harsh – yet very articulate – with a wider frequency  
range than standard vocal microphones. When  
used up-close, its proximity effect boosts the low-  
frequency response for a warm, robust sound. An  
upper-midrange “presence peak” adds intelligibility.  
Fig. 1  
Specifications  
Type: Cardioid condenser vocal-instrumental  
microphone.  
Element: Electret condenser.  
Frequency Response (typical): 80 Hz to 15,000 Hz.  
See Fig. 1.  
Frequency Response  
+15  
+10  
+5  
0˚, 0 Inches  
dB  
0
0˚, 2 Feet  
–5  
The cardioid polar pattern increases gain-before-  
feedback, rejects unwanted background noise, and  
discriminates against sounds approaching the rear  
of the microphone.  
–10  
–15  
–20  
–25  
–30  
–35  
Polar Pattern: Cardioid (see Fig. 2).  
Impedance: 150 ohms nominal, 200 ohms actual,  
balanced. Recommended minimum load imped-  
ance 1000 ohms.  
Open Circuit Sensitivity (48 V supply): 3.0 mV/Pa*  
(–53 dBV/Pa).  
180˚, 2 Feet  
A built-in multi-stage pop filter effectively sup-  
presses explosive breath sounds. Handling noise  
is extremely low. The unit can withstand repeated  
drops and abuse, as well as extremely loud sound  
pressure levels without distortion.  
10K  
20  
100  
1K  
Frequency in Hz  
Power Sensitivity: –52 dBm/Pa*.  
Equivalent Noise Level (self-noise): 21.5 dB SPL  
typical (0 dB = .0002 dyne/cm2), A-weighted.  
The output of the microphone is balanced, low  
impedance, which allows long cable runs without  
hum pickup or high-frequency loss. The unit can  
be phantom powered from the console or other  
remote power supply.  
Fig. 2  
S/N Ratio: 72.5 dB at 94 dB SPL.  
Maximum SPL for 3% THD: 151 dB SPL with 48V  
supply; 143 dB SPL with 12V supply.  
Polarity: Positive pressure on the diaphragm pro-  
duces a positive voltage on pin 2 with respect to  
pin 3 of output connector.  
Operating Voltage: Phantom power, 12 to 48 volts  
DC, positive voltage on pins 2 and 3 with respect  
to pin 1 of output connector.  
Polar Response  
330°  
0°  
30°  
FRONT  
Included with the CM-200A is a convenient carry-  
ing pouch, an adjustable microphone stand adapter  
for mounting the unit to any microphone stand,  
and a foam windscreen to further reduce breath  
popping and wind noise.  
-0  
-5  
300°  
270°  
60°  
-10  
-15  
-20  
Current Drain: 1.7 mA.  
Materials: Rugged aluminum alloy housing, steel  
grille.  
90°  
Operating Instructions  
Using a 2-conductor shielded microphone cable  
(not supplied), plug the microphone into a mixer  
mic input with 12 to 48 volts phantom powering or  
use a remote phantom power supply. Crown makes  
a PH-1A phantom power supply (1 channel, battery  
or AC-adapter powered). For special applications,  
you can make your own battery supply as sug-  
gested in Fig. 4.  
Finish: Satin black.  
Cable: None supplied; use 2-conductor shielded  
microphone cable.  
Connector: 3-pin male XLR type.  
Safe operating temperature range: –20° to +50° C,  
or -4° to +122° F.  
120°  
240°  
1000 Hz  
500 Hz  
3000 Hz  
REAR  
180°  
210°  
150°  
Net Weight: 7 oz. (199 g).  
Dimensions: See Fig. 3 on reverse side.  
Included Accessories: Carrying pouch, ASA-2 micro-  
phone stand adapter and WS-4 windscreen.  
Optional Accessories: Crown PH-1A phantom  
power supply (1 channel, battery or AC adapter  
powered).  
For maximum gain before feedback, sing close to  
the microphone (lips touching the grille) and place  
loudspeakers forward of the rear of the micro-  
phone (downstage from the performer).  
*1 pascal = 10 dynes/cm2 = 10 microbars = 94 dB SPL.  
 

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