B&K AVP 4090 Car Amplifier User Manual


 
Channel
Mode/Option
Description
Page 20
No
No subwoofer. Sends all bass frequencies to the
front left and right channels including the LFE
channel. Removes SW BASS MENU.
Bass Management
Note: LFE = Low Frequency Effects channel
(or .1 channel)
Option/mode
Description
Bass Normal
LFE on. Bass frequencies and LFE are sent to the appropriate
channels.
Bass LFE Off
LFE off. Removes the LFE channel from the bass management
summing circuitry.
SW Bass Normal
Adds bass to the subwoofer for any channel set to SMALL.
Example: If the front speakers are set to SMALL, the bass frequencies go to
the subwoofer, not the front speakers.
SW Bass Ultra
Allows for all channels to be summed to the subwoofer
regardless of SMALL/LARGE speaker settings.
Delay settings
CTR DELAY - Center channel delay. The center channel has a variable delay
that may be set from 0 ms to 5 ms.
SUR DELAY - Surround channel delay. The surround channel delay is variable
between 0 ms to 15 ms for Dolby Digital and 15 ms to 30 ms for Pro Logic.
When changing the surround delay setting, only the Dolby Digital setting will be
displayed. The Pro Logic setting is automatically 15 ms higher than the Dolby
Digital setting.
Example:
If the surround delay is set at 0 ms, the Pro Logic delay is automatically 15
ms.
If the surround delay is set at 5 ms, the Pro Logic delay is automatically 20
ms.