Technical Specifications - Beyerdynamic MM 1 Mode D'emploi

Technical Specifications

Transducer type . . . . . . . . . . . . . . condenser (back electret)
Operating principle . . . . . . . . . . . pressure
Polar pattern . . . . . . . . . . . . . . . . omnidirectional,
Frequency response . . . . . . . . . . . 20 - 20,000 Hz
Open circuit voltage
at 1 kHz . . . . . . . . . . . . . . . . . . . . 15 mV/Pa ( -36.5 dBV) ± 1 dB
Max. SPL at
f = 1 kHz, k = 1%, R = 2.2 kΩ . . . 128 dB
L
Nominal impedance . . . . . . . . . . . 330 Ω
Nominal load impedance . . . . . . . > 2.2 kΩ
S/N ratio rel. to 1 Pa . . . . . . . . . . . > 57 dB
A-weighted equivalent SPL . . . . . approx. 28 dB(A)
Power supply . . . . . . . . . . . . . . . . 12 - 48 V phantom supply
Current consumption . . . . . . . . . . approx. 3.4 mA
Output . . . . . . . . . . . . . . . . . . . . . transformer balanced
Connection . . . . . . . . . . . . . . . . . . XLR-plug, 3-pin
Dimensions . . . . . . . . . . . . . . . . . . length . . . . . . . . . . 133 mm
Weight (w/out cable) . . . . . . . . . . 88 g
diffuse field calibrated
(50 - 16,000 Hz ± 1.5 dB)
^
=
SPL
pin 1: ground
pin 2: signal +
pin 3: signal -
diameter . . . . . . . . 19/9 mm