User manual version 1
AV dsp amp
Example 2: Stereo setup with active subwoofer
This example describes how to set up a stereo passive filtered audio system
plus an active subwoofer (with or without filtering) with use of one AV dsp amp.
This setup is shown in Figure 3.
At first you have only a AV dsp amp with no cables connected.
1. Plug- in the power connector and switch the module to ON
2. Power up the module by the control panel or remote
3. Start the pc program, filter design
4. Plug-in the USB cable (assumed that you’ve already installed the
software as described in chapter
“
Software installation )
”
5. Wait for automatic connection, a popup is displayed as in Figure 6. If
connection is not automatic the press the connect button. If there is
“
”
no response there is a problem with the USB connection or your operating
system that can not detect the USB device
6. Set the system to the desired setup, for this example stereo left
because the left speaker holds the AV dsp amp module
7. Set the Subout control to L+R, because one subwoofer is used
Figure 14
8. When needed set the desired input, for now just leave it Auto detect.
Note that in auto detect the USB source is selected when the module is
connected to the pc
9. Switch to the Filter design Window under view, or press ctrl+f
10. Fill in your biquads with the desired filters. For the stereo setup you
don’t need to set any filtering for channel 1(left speaker) and channel
2 (right speaker), but you got the ability to use them
11. Set your Subwoofer filtering if required
12. Even when you don’t want to use the filters you still need to set them to
unity. Press download, or use ctrl+F9
13. When the download is complete the setup is done
14. Connect the right speaker to the Amplifier out connector and your
subwoofer to the Line out Sub
15. Present your audio source
Ready!
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