Specifications
52
DMM 4/2/4 Stereo
Dimensions of unit W x H x D
483 x 44 x 203 mm
Weight of unit (with packaging)
3.5 kg
Permissible ambient temperature in operation
+ 5 ... + 45°C
Minimum humidity in operation
20 %
Maximum humidity in operation
(non-condensing)
83 %
Input voltage:
100 … 240 V AC
Mains frequency:
50 … 60 Hz
Power consumption max.:
35 W
Output voltages:
+5 V DC / +12 V DC / -12 V DC
The 3.3 V DC supply voltages for microcontrollers and FPGA are generated internally from the
available +5 V by means of an additional DC/DC converter. The supply voltage for the
phantom power of +48 V is generated from the available +5 V with an additional DC/DC
converter.
Balanced inputs - preamp
Line / Mic Lo / Mic Hi
0 dB / +40 dB / +60 dB
Input level max.:
+15 dBu
Common-mode rejection:
> 70 dB
Dynamic:
> 90 dB
Input impedance:
> 8 kOhm
Balanced inputs - phantom power
Phantom power:
+48 V DC
Supply current per input max.:
10 mA
Feed resistances:
2 x 6.8 kOhm
Balanced and AUX inputs - Analogue Digital Converter
Data format:
24 bit
Sample frequency:
48 kHz
AUX inputs - preamp
Input level max.:
+15 dBu
Dynamic:
> 90 dB
Input impedance:
> 15 kOhm
Recording and master output
Output level max.:
+10 dBu
Dynamic:
> 90 dB
Load impedance min.:
< 100 Ohm
Digital analogue conversion for recording and master output
Data format:
24 bit
Sample frequency:
48 kHz
This product conforms to the standards listed in the Declaration of Conformity. To order a free
copy of the Declaration of Conformity, visit http://www.akg.com or contact [email protected].
6
Specifications
General
Power supply unit
Inputs
Outputs
