Crown Audio CM-700 Specifications

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Brand: Crown

Category: Amplifier , Microphone , Recording Equipment

Type: Datasheet for Crown CM-700

Pages: 2 (0.12 Mb)

Download Crown CM-700 Datasheet

Crown CM-700 Datasheet - Page 1
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Crown CM-700 Datasheet - Page 2
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POLAR
PATTERN
Fig. 1
20 100
1K
10K
+15
+10
+5
dB 0
-5
-10
-15
-20
-25
-30
-35
0° 2 FT.
180° 2 FT.
FLAT
ROLLOFF
CUTOFF
20K
Frequency Response
Fig. 2
T
he Crown
®
CM-700 is a cardioid con-
denser microphone for pro or semi-pro
recording and high-quality sound reinforce-
ment. Rugged enough for the road, the CM-700 is
well suited for acoustic instruments, drum over-
heads and studio vocals. It works equally well for
popular music (multi-miking) or classical music
(stereo and spot miking). Small and inconspicu-
ous, the CM-700 is also a good choice for miking
a lectern.
The CM-700 has a very smooth, wide-range fre-
quency response which gives it a natural sound.
It preserves the delicate timbre of acoustic instru-
ments, yet it can reproduce all the power of a pipe
organ. The off-axis response is also smooth, so
any leakage picked up has little coloration.
Because of its cardioid pickup pattern, the CM-
700 reduces background noise, room reverb and
feedback. The cardioid pattern is uniform with
frequency.
Self-noise is very low, permitting clean, noise-free
recordings. The mic can handle extremely loud
sounds without distortion. It is protected against
static and RFI. The output is balanced, low imped-
ance, which allows long cable runs without hum
pickup or high-frequency loss. Powering is by
12-48V phantom power.
Several audiophile touches enhance the mic’s
pristine sound quality: an ultralight diaphragm,
humbucking transformer, polycarbonate capaci-
tors and a gold-plated 3-pin connector.
The CM-700 has a bass-tilt switch with three posi-
tions: fl at, low-cut and rolloff. An included 2-stage
foam pop fi lter softens breath pops and a foam
windscreen reduces wind noise outdoors.
Operating Instructions
Plug the CM-700 into a phantom power supply or
into a mic input that provides phantom power.
Specifi cations
Type: Cardioid condenser.
Transducer: Back electret condenser.
Frequency response (typical): 30 Hz to 20,000 Hz
(see Fig. 1).
Polar pattern: Cardioid (see Fig. 2).
Impedance: 190 ohms, balanced. Recommended
minimum load impedance 1000 ohms.
Open-circuit sensitivity: 2.5 mV/Pa* (–52 dB re
1 V/Pa*).
Power sensitivity: –52 dB re 1 mW/Pa*.
Equivalent noise level (self-noise): 21 dB SPL typi-
cal A-weighted (0 dB=.0002 dyne/cm
2
).
S/N ratio: 73 dB at 94 dB SPL.
Maximum SPL for 3% THD: 151 dB with 48V phan-
tom, 142 dB with 12V phantom.
Polarity: Positive pressure on the diaphragm pro-
duces a positive voltage on pin 2 with respect to
pin 3 of the output connector.
Output connector: 3-pin male XLR-type connector.
Switch: Flat, low-cut and bass rolloff.
Operating voltage: Phantom power, 12 to 48 volts
DC, positive voltage on pins 2 and 3 with respect
to pin 1 of output connector.
Current drain: 3.2 mA.
Materials: Rugged steel housing and steel mesh
grille.
Finish: Satin black.
Dimensions: See Fig. 3.
Weight: 4 oz. (113 grams).
Cable: None supplied. Use 2-conductor shielded mic
cable.
Included accessories: Carrying pouch, WS-12 foam
pop fi lter, WS-11 foam windscreen, ASA-4 swivel
mount.
Operating temperature range: –20° to +50° C, or -4°
to +122° F.
CARDIOID
CONDENSER
MICROPHONE
FRONT
REAR
-20
-15
-10
-5
-0
60°
90°
120°
150°180°
210°
240°
270°
300°
30°
330°
500 Hz-5 kHz
200 Hz
10 kHz
CM-700
Frequency in Hz
Polar Response
For pro or semi-pro recording
Wide, smooth frequency response provides a
natural, accurate sound quality
Cardioid polar pattern reduces background
noise, room reverb and feedback
Small and inconspicuous
Perfect for acoustic instruments and drums
Rugged enough for the road
Handles extremely loud sounds
Features
Optional accessories: Crown PH-1A phantom
power supply (1 channel, battery or AC pow-
ered), CM-SM isolation shock mount.
*1 pascal = 10 microbars = 10 dynes/cm
2
= 94 dB
SPL.