Connec ting the 90 7 Power Am pli fier
5
5

5 Connecting the 907 Power Amplifier

To connect the 907, as the example in Figure 4 illustrates, do the following1
1. Connect the balanced stereo audio sou rce (f or exam ple, a stereo audio
player) to th e INPUT terminal block connector.
:
2. Connect the OUTPUT terminal block connectors to the acceptors (a pair of
speakers). Do not ground the loudspeakers.
3. Connect the 24V DC power adapter to the power socket an d connect the
ada pter t o the m ain s el ect rici ty .
4. If necessary adjust the basic volume level by setting the GAIN DIP-
swit ches (s ee Table 2).
5. Adjust the output volume by turning the VOLUME potentiometer.
Table 2: DIP-switch Gain Levels
Switch
Setting 00 01 10 11
Gain 20dB 26dB 32dB 36dB
5.1 Connecting th e Stereo Audio Input
Figure 2 and Figure 3 illustrate how to wire a balanced/unbalanced input
connection:
Figure 2: Connecting the
Balanced Stereo Audio
Input/Output
Figure 3: Connecting the
Unbalanced Stereo Audio
Input
1 Switch OFF the power on each device before connecting it to your 907. After connecting your 907, switch on its power and
then switch on the power on each device