D21m System
6-6 D21m Modules Date printed: 13.08.07
6.2.3 Line In Card 1.949.421
Eight-channel line input card with 24 bit, 44.1/48/88.2/96 kHz A/D Converter,
delta-sigma conversion. Transformer-balanced inputs. 96 kHz, 88.2 kHz, 48
kHz, or 44.1 kHz operation. 7...26 dBu input sensitivity. “Signal present”
LED indicator. Inputs on standard 25-pin D-type connector (female).
Input level (for 0 dB
FS
) 15/24 dBu ( xed, jumper-selectable),
or 7...26 dBu (adjustable)
Input impedance > 10 kΩ
Frequency response (20 Hz...20 kHz) –0.2 dB
THD&N (35 Hz...20 kHz, –1 dB
FS
, min. gain) < –97 dB
FS
(1 kHz, –30 dB
FS
, min. gain) < –111 dB
FS
Crosstalk (1 kHz) < –110 dB
Input delay (local) 38 samples (0.79 ms @ 48 kHz)
(remote) 45 samples (0.94 ms @ 48 kHz)
Current consumption (7 V) 0.42 A
(±15 V) 0.1 A
Operating temperature 0...40° C
A
D
A
D
A
D
A
D
Jumper
Trim
–2...+8 dB
15 dBu ^
=
Full Scale
Backplane Connector
Att. –9 dB
Line In 1
Line In 2
Line In 3
Line In 4
Line In 5
Line In 6
Line In 7
Line In 8
