
X-D20, X-D25
Speaker wiring X-D20 / D25
Two fullrange
speakers to
channel L/R
One 4 ohm
subwoofer
bridged
9
For power wiring, see page 4
For High or low level input wiring, see page 5
+
L
- +
R
-
NOTE!
Minimum amplifier load is 2 ohm in stereo mode,
lower impedances may damage the amplifier.
NOTE!
Minimum speaker impedance in bridged connection
is 4 ohm, this connection gives a 2 ohm load with a
4 ohm subwoofer. The load is halved when
connected in bridge mode.
On page 12 you can find more examples of how to
connect subwoofers to amplifiers.
Phase control setting:
The phase control can be set
continuously from 0 - 180 degrees.
This function is used together with
subwoofers. This is very useful when
you want to adjust the bass sound for
best front stage image.
Bass boost setting:
Bass boost
is used to increase the
bass volume at a low frequency.
frequencies. You can select the
amplification between 0 dB ( no
amplification ) and +18 dB ( full
amplification ).
Phase
0
180
o
Bass boost
0
+18 dB
This function is used to compensate for the bass
box function and to adjust for your own taste of bass.
Set level control at 0 dB if you want it to be
inoperative.
NOTE! Use the bass boost very carefully. The
sound can be destroyed if you turn it up to high.
Start at 0 and turn the control slowly clockwise until
you experience that the bass sound is coming from
the front. If you don’t get the result you want, also try
to phase reverse the subwoofer connections and
make a new adjustment.
Crossover
50 Hz
500 Hz
150 Hz
250 Hz
Filter settings
LP-filter setting:
The low pass filter is mostly
used for subwoofers. It will allow
low frequencies only and blocks
higher frequencies.
A typical setting is 50 – 70 Hz.
Subsonic filter setting:
This filter blocks
the very
deepest frequencies from
reaching the subwoofers.
It can be set from 15 to
150 Hz and can be
switched on / off.
A typical setting for
subwoofer use is 25-30
Hz.
Subsonic
45 Hz
15 Hz
150 Hz
Off On
80 Hz
It can also be used for a front system to limit the
frequency range. The filter can stop the lowest
frquencies from reaching the system when you
combine with a subwoofer. A typical setting can be
60-80 Hz.
+
L
- +
R
-