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42
Basic Setup
—Continued
Crossover Frequency
Notes:
• If the crossover frequency is set to a low value, and the
program material doesn’t contain any sounds that are
below that frequency, accordingly, the subwoofer will
not output much sound.
• This procedure can also be performed by using the
TX-NR901’s [SETUP] button, [ ]/[ ]/[ ]/[ ]
buttons, and [ENTER] button.
7
Use the Up/Down [ ]/[ ] but-
tons to select “d. Surround,” and
then use the Left/Right [ ]/[ ]
buttons to select:
Small:
Select if the surround left and
right speakers are small.
Large:
Select if the surround left and
right speakers are large.
None:
Select if no surround left and
right speakers are connected.
Note:
• If the Front setting in step 5 is set to
Small, the Large option cannot be
selected.
8
Use the Up/Down [ ]/[ ] but-
tons to select “e. Surr Back,” and
then use the Left/Right [ ]/[ ]
buttons to select:
Small:
Select if the surround back
left and right speakers are
small.
Large:
Select if the surround back
left and right speakers are
large.
None:
Select if no surround back left
and right speakers are con-
nected.
Notes:
• If the Surround setting in step 7 is set
to None, this setting cannot be
selected.
• If the Surround setting in step 7 is set
to Small, this setting cannot be set to
Large.
• If the Surr Back/Zone2 setting is set
to Zone 2, this setting cannot be
selected (see page 86).
Continue with step 9 in the right col-
umn.
ENTER
ENTER
9
Use the Up/Down [ ]/[ ] but-
tons to select “f. Crossover,” and
then use the Left/Right [ ]/[ ]
buttons to select a crossover fre-
quency.
Choose a crossover frequency suitable
for your setup. If you’re using a sub-
woofer, choose a crossover frequency
based on the diameter of your front
speakers. If you’re not using a sub-
woofer, use the diameter of any speaker
that you specified as Small.
If you’re using THX-certified speakers,
select 80 (THX).
10
Press the [SETUP] button.
The setup menu closes.
ENTER
Speaker cone
diameter
Crossover
frequency
Over 12 in.
(30 cm)
40Hz
8 to 12 in.
(20–30 cm)
60Hz
6-1/2 to 8 in.
(16–20 cm)
80Hz (THX)
5-1/4 to 6-1/2 in.
(13–16 cm)
100Hz
3-1/2 to 5-1/4 in.
(9–13 cm)
120Hz
Under 3-1/2 in.
(9 cm)
150Hz