Beyerdynamic M 88 - Technical Specifications; Frequency Response & Polar Pattern; Wiring Diagram

M 88 — Dynamic Moving-Coil Microphone 4
EN
TECHNICAL SPECIFICATIONS
Transducer type ................................ Dynamic
Operating principle ...................Pressure gradient
Polar pattern ..............................Hypercardioid
Frequency response ....................... 30 - 20,000 Hz
Rear attenuation at 1 kHz .................. > 23 dB at 120°
Sensitivity (0 dB = 1 V/Pa) .............2.9 mV/Pa (= -51 dBV)
Magnetic field suppression ............. > 20 dB at 50 Hz
Nominal impedance .............................. 200 Ω
Load impedance ................................≥ 1000 Ω
Diaphragm ..................................Hoaphan®
Casing .............................................Brass
Connection .............................XLR, 3-pin, male
Dimensions:
Length ..........................................173 mm
Sha diameter ................................25.5 mm
Head diameter ................................48.5 mm
Weight ..............................................331 g
FREQUENCY RESPONSE & POLAR PATTERN
This polar pattern and frequency response curve correspond to a typical production sample for this microphone.
WIRING DIAGRAM
Polarity: Positive pressure produces
positive voltage on red lead (pin 2).
ws
rt
3
1
2
Frequency response curve ± 2.5 dB M 88 0 dB = 2.9 mV/Pa
+20
+10
0 dB
-10
-20
-30
20 200 2k 20k100 1k 10k50 500 5k Hz
Sollfrequenzkurve ±2, 5dB
0 dB = 2, 9mV/Pa
M 8 8
-----
--
2cm Abstand
10cm Abstand
1m Abstand
+
+
125 Hz
250 Hz
500 Hz
1000 Hz
2000 Hz
4000 Hz
8000 Hz
300°
270°
210°
240°
180°
150°
120°
90°
60°
30°
0°
330°
-5dB
-10dB
-15dB
-20dB
+20
+10
0 dB
-10
-20
-30
20 200 2k 20k100 1k 10k50 500 5k Hz
Sollfrequenzkurve ±2, 5dB
0 dB = 2, 9mV/Pa
M 8 8
-----
--
2cm Abstand
10cm Abstand
1m Abstand
+
+
125 Hz
250 Hz
500 Hz
1000 Hz
2000 Hz
4000 Hz
8000 Hz
300°
270°
210°
240°
180°
150°
120°
90°
60°
30°
0°
330°
-5dB
-10dB
-15dB
-20dB
Diance 2 cm
Diance 10 cm
Diance 1 m