Bi-AmpLIFIED SYSTEMS
The most common application of
The HD900/5 can be easily configured to drive a complete
In this configuration, the “Front” channels of the HD900/5 will drive front component speakers (stereo 100W x 2 @ 4Ω) with high- pass filtering. The “Rear” channels will drive rear component speakers in stereo (100W x 2
@4Ω) with
(500W x 1 @
appropriately, go to the “Front Channel Controls” Section. Select “12dB” or “24dB” on the
Next, turn your attention to the “Rear Channel Controls” Section and select “12dB” or “24dB”
Finally, in the “Subwoofer Channel Controls” Section, select “12dB” or
“24dB” on the
After proper adjustment of the HD900/5’s
“Input Range” and “Input Sens.” controls, you can fine tune filter frequencies
and slopes and attenuate each channel section to achieve proper balance.
In this configuration, the “Front” channels of the HD900/5 will be bridged to drive the left front component speaker system (150W x 1 @ 4Ω) with
(500W x 1 @
techniques refer to the section titled “Bridging Considerations” in this manual (page 14).
Once the input sections have been configured appropriately, go to the “Front Channel Controls” Section. Select “12dB” or “24dB” on the
Next, turn your attention to the “Rear Channel Controls” section and set it exactly the same as you set the “Front Channel Controls”.
Finally, in the “Subwoofer Channel Controls” section, select “12dB” or “24dB” on the
After proper adjustment of the HD900/5’s “Input Range” and “Input Sens.” controls, you can fine tune filter frequencies and slopes and attenuate each channel section to achieve proper balance. Keep in mind that the left and right front speakers will have independent “Input Sens.” controls in this configuration, and these need to be carefully matched for proper stereo performance.
12 JL Audio - HD900/5 Owner’s Manual
