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VISTEK V1638 analogue audio
distribution amplifier
HU-V1638
5
Table 2.1.1
Connections to standard rear panels
SIGNAL
DSUB
pin
SOURCE
COMMENTS
Power
Rack PWR header
+15V nominal (9-35V) at 5W max
DARTbus
Rack DART header
Vistek DART rack controller
A in (+)
9
A in ( -)
1
2,3,4,5,6,8
External audio source
All screens from external audio source should
GND
10,11,12,
be grounded on the V1638 i/p connector
13,14
B In (+)
15
External audio source
Channel B differential input
B In (-)
7
Zin = 20k
Ω
/600
Ω
; max. input +28dBu
A1 out (+) 14
V1638
Group A outputs
A1 out (- ) 1
Zout = 50
Ω
; max 28dBu
A2 out (+) 16
A2 out (- ) 3
A3 out (+) 17
A3 out (- ) 4
A4 out (+) 18
A4 out (- ) 5
A5 out (+) 19
A5 output is not available on screw terminal
A5 out (- ) 6
rear modules. Only DSUB rear module has A5
GND
2,7,13,15
V1638
All screens from V1638 should be grounded
20
on the V1638 o/p connector
B1 out (+) 21
V1638
Group B outputs
B1 out (- ) 8
Zout = 50
Ω
; max 28dBu
B2 out (+) 22
B2 out (- ) 9
B3 out (+) 23
B3 out (- ) 10
B4 out (+) 24
B4 out (- ) 11
B5 out (+) 25
B5 output is not available on screw terminal
B5 out (- ) 12
rear modules. Only DSUB rear module has B5