Euphonix MADI Converters Operation Manual
DM714 and MD704 Converters
29
3.7
Specifications
DM714 Performance Specifications
Sync Sources
AES, word clock, internal
Sync Outputs
AES thru and word clock out
Sync Detection
Auto or switched
Internal Sample Rate
44.1, 48, 88.2, 96 kHz ±50 ppm
Lock range
fine mode
±
300 ppm
custom mode
±
12% varispeed of 44.1 and 48 kHz
Audio Inputs
24 analog, 4 aux channels (2 analog, 2 digital)
Main Inputs (1–24)
XLR, transformer isolated, 110
Ω
, 24-bit
Sample-rate conversion automatically applied to non-synchronous 44.1 or 48
kHz inputs with reduction to 20 bits (88.2 or 96 kHz not yet supported).
Group delay varies with sync frequency and inputs
Aux Digital Inputs (D1/2)
AES (XLR), transformer isolated, 110
Ω
S/PDIF (RCA), 75
Ω
Aux Analog Inputs (A1/2)
Electronically balanced XLR; 20 k
Ω
input impedance
Level for 0 dBFS
Adjustable b12 and +26 dBu, in 2-dB steps
Signal-to-Noise Ratio
105 dB (unweighted)
THD
0.0005%
Frequency Response
(1 kHz @ +4 dBu)
±
0.5 dB 20 Hz – 20 kHz @ 48 kHz
-2.5 dB 20 Hz – 40 kHz @ 96 kHz
CMRR
>50 dB 20 Hz – 20 kHz
Crosstalk
> -110 dB @ 1 kHz; > -100 dB 20 Hz – 20 kHz
Group Delay
41.7/F
s
(869 ms @ 48 kHz)
MADI Output
BNC 75
Ω
28 channels at all sample rates
Inputs mapped to channels 1–24, A1/2 to 25/26, D1/2 to 27/28
24-bit signal path
Sample-Rate Conversion
Automatic detection and conversion of asynchronous sample rates on digital
inputs. SRC automatically switched off for synchronous channels.
SRC Range
32–56 kHz
