JBL SYNTHESIS SDP-40HD User Manual page 68

Setup
MAIN MENU
MODE ADJUST
AUDIO CONTROLS
SETUP
CUSTOM SETUPS
SETUP SPEAKERS CUSTOM SETUP
Selecting the SPEAKER SETUP menu CUSTOM SETUP option opens
the CUSTOM SETUP menu, which assigns independent crossover
points for each Main Zone audio output connector. Crossover
points can be selected in 10Hz increments within a 30 to 120Hz
range. The graphs shown on the next page indicate the frequency
response of each crossover point.
To configure a custom speaker setup:
• Select the crossover point closest to the low frequency rating of
the associated speakers. For example, set the FRONT L/R
parameter to the crossover point closest to the low frequency
rating of the front speakers.
3-28
CUSTOM SETUP SPEAKER SETUP
SETUP
SETUP
CUSTOM SETUP
INPUTS
INPUTS
SYNTHESIS 7 CH SETUP
SPEAKERS
SPEAKERS
SPEAKER DISTANCES
REAR PANEL CONFIG
REAR PANEL CONFIG
LEVELS CALIBRATION
DISPLAYS
DISPLAYS
VOLUME CONTROLS
VOLUME CONTROLS
TRIGGER
TRIGGERS
LOCK OPTIONS
LOCK OPTIONS
M
SUB
80Hz
CUSTOM SETUP
FRONT L/R
40 Hz
CENTER
60 Hz
SIDE L/R
60 Hz
REAR L/R
60 Hz
SUB L/R
40 Hz
R SR RR
SUB XOVER
OFF
80Hz 80Hz
80Hz
LFE
N/A
C
ULTRA2 SUB
APART
80Hz BGC
ASA
L SL RL
80Hz 80Hz 80Hz
• Select the subwoofer crossover point equal to the lowest
crossover point of any of the other speakers. For example, if
CUSTOM SETUP menu parameters are set as shown above, set
the SUB XOVER parameter to 80Hz – the lowest crossover point
of the other speakers.
In a custom setup, low frequencies are generally redirected from
speakers with the highest crossover points to speakers with the
lowest crossover points. Signals lower than the lowest crossover
point are redirected to the subwoofer. If the lowest crossover point
is FULL, low frequency signals, excluding LFE information, are not
redirected to the subwoofer.
Low frequencies between the Subwoofer L/R and any or all of the
other speaker channels can be duplicated. To do this, select the
FULL + SUB crossover setting for the front, center, side or rear
speakers. Making this selection can result in excessive bass.
80 Hz
80 Hz
80 Hz
80 Hz
MONO
80 Hz
OFF
OFF
N/A
APART
JBL