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C2629M-A (6/07) 69
2. Connect each of the 8 or 16 RCA-type audio connectors to a line-level (+4 dB) gain audio source. Refer to Figure 92.
The DX8108-AUD/DX8116-AUD option accepts an unbalanced, line-level audio signal only. Line-level signaling requires a voltage between
-1 V and +1 V into an impedance of 1 k
Ω or more. This means that the output of most microphones will be too low to function when
connected directly to the DX8100’s audio inputs. In most applications, a preamplifier such as the Louroe Electronics ASK-4
®
KIT #101 will
be required to boost the signal of a microphone to a level that is acceptable for input into the DX8100.
3. Refer to the DX8100 Operation and Programming manual for information about configuring optional audio recording features.
PREAMPLIFIERS
MICROPHONES
PREAMPLIFIERS
MICROPHONES
TO DX8100
Figure 91. Example: 8-Audio Input Cable Configuration
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CABLE CONNECTOR
PIN 1
PIN 2
PIN 3
PIN 4
PIN 5
PIN 6
PIN 7
PIN 8
PIN 14
PIN 13
PIN 12
PIN 10
PIN 15
PIN 11
PIN 9
PIN 16
CAPTURE CARD CONNECTOR
PIN 1
PIN 3
PIN 6
PIN 8
PIN 14
PIN 13
PIN 12
PIN 10
PIN 15
PIN 11
PIN 9
PIN 16
Figure 92. Example: 16-Audio Input Cable Pinouts