Manley Langevin CR3A 1990 - 2001 - Manual (Page 5)

CR-3A Specifications
Acoustical Operating Principle:
Polar Pattern:
Difference between 0 and 180 :
Frequency Range:
Source Impedance:
Minimum Load Impedance:
Maximum SPL for 0.5% THD at 1K Hz :
with -10dB sensitivity reduction:
High Pass Filter:
S/N ratio (DIN 45-590) Ref. level 1 pa:
Maximum Output:
Power Supply (DIN 45596):
Current Consumption:
Weight:
Dimensions:
Shock Mount O-Ring Material:
Pressure Gradient Transducer
Cardioid
≥
12dB @ 300Hz-3K Hz ,
≥
15dB @ 1K Hz
40 Hz - 16 K Hz
200 ohm ± 20% (1K Hz )
1 k ohm
122 dB 25 pa
132 dB 79 pa
6 dB per octave @ 100 Hz
67 dB
300 mV
48 V ± 4 V (Phantom Powering)
2 mA
0.475 kg (17 oz.)
54 mm diameter, 200 mm long
Size #114 Buna-N or Silicone Elastic O-Ring
O O
SIDE VIEW TOP VIEW
CARDIOID PATTERN
32 40 50 62 80 100 125 160 200 250 320 400 500 620 800 1K 1.6 1.25 2K 2.5 3.2 4K 5K 6.2 8K 32 25 20 16 12.5 10
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
+1
+1
+1
0
+2
+3
+4
+5
+6
+7
+8
+9
+10
CR-3A ON AXIS (FRONT)
FREQUENCY RESPONSE
CR-3A OFF AXIS (BACK)
FREQUENCY RESPONSE
AVERAGE CURVE USED TO TEST MICS.
YOUR MIC WILL BE +/- 1.5 dB FROM THESE CURVES
These "cardioid" shapes show how distant a sound can be for "equal" volume and are only intended to
illustrate the cardioid pattern. Try talking "around the mic" to relate it to your real world experience.