Specifications

All specifications at a glance.

AMBEO VR Mic

Transducer principle
  • pre-polarized condenser microphone
Pick-up pattern
  • 4x cardioid, in Ambisonics' A-format arrangement
    • 1: Front Left Up (FLU)
    • 2: Front Right Down (FRD)
    • 3: Back Left Down (BLD)
    • 4: Back Right Up (BRU)
Frequency response
  • 20 Hz to 20 KHz
Matrix reference
  • Center of capsule holder
Output in B-format
  • W = FLU + FRD + BLD + BRU
  • X = FLU + FRD – BLD – BRU
  • Y = FLU – FRD + BLD – BRU
  • Z = FLU – FRD – BLD + BRU
Sensitivity
  • 31 mV/Pa (–30 dBV) at 1 kHz
Min. load impedance
  • 1000 Ω
Nominal impedance
  • approx. 200 Ω
Equivalent noise level
  • A-weighted: 18 dB(A)
  • CCIR-weighted: 27 dB
Max. sound pressure level at THD = 1 %
  • 130 dB(A) at 1 kHz
Power supply
  • 4x phantom power (P48) as per IEC 61938 (48 V ± 4 V), 3.5 mA respectively
Microphone connection
  • DIN12M
  • with supplied adapter cable to 4x XLR-3M, pin assignment: 1 = (GND), 2 = (+), 3 = (–)
Dimensions
  • Length: 215 mm
  • Diameter: 49 mm/25 mm
Temperature
  • Operation: -10 °C to 55 °C (14 °F to 131 °F)
  • Storage: -20 °C to 70 °C (-4 °F to 158 °F)
Relative air humidity
  • max. 90% at 40 °C (104 °F)

Pin assignment of adapter cable

DIN12F Pin -> XLR-3M pin

A + screen + housing -> channel 1 (yellow) - Pin 1 + XLR housing

B -> channel 2 (red) - Pin 2

C -> channel 2 (red) - Pin 1 + XLR housing

D -> channel 3 (blue) - Pin 2

E -> channel 3 (blue) - Pin 3

F -> channel 3 (blue) - Pin 1 + XLR housing

G -> channel 4 (green) - Pin 2

H -> channel 4 (green) - Pin 1 + XLR housing

J -> channel 1 (yellow) - Pin 2

K -> channel 1 (yellow) - Pin 3

L -> channel 2 (red) - Pin 3

M -> channel 4 (green) - Pin 3