Sony XM-C2000 - Crossover Frequencies

»
Crossover Frequencies
Set the crossover frequencies by changing the
setting of each filter selector switch to suit the
frequency response of the connected speakers.
See the diagram below.
Setting of crossover frequencies
2WAY
SUB WOOFER FRONT REAR
High-mid-range
Low-range
LOW-PASS FRONT HI-PASS 70/100/140HZ
70: 100/140HZ REAR HI-PASS 70/100/140HZ
Crossover slope
6dBroct 18dB/oct
SWAY
SUB WOOFER MID HIGH
Low-range Mid-range High-range
HIGH-MID
LOW-PASS MID HI-PASS
70/1 00/140HZ 70/100'140HZ Cee
Crossover slope Crossover slope
6dBroct 18dBioct 12dBioct
Congeniality of Audio Relationship — setting of Filter Selector Switches _|
If the SUB WOOFER LOW-PASS and However, in some cases depending on the
MID/REAR HI-PASS filter selector switches are different types of car and the location of the
set at the same crossover frequency points, speakers, these settings may improve the
both audio compasses will drop by 3 dB when overall sound.
they meet and the overail frequency response
will be flat. See diagram (a). !f the filter
selector switches are set to different
frequencies, the overall frequency response
characteristics may have uneven sections. See
diagram (b) and (c).
-
» (a) {b) (c)
Peak overall frequency
overall frequency response overall lrequency response response
Flat charactenstics charactenstics Dip characteristics
ether ee
hiter -3dB- ~ ------ ee ----- filter
characteristics | characteristics
1
hiter
charactenstics
! i
1 1
' 1
i
{
1
1
'
'
!
-
100HZ 70Hz 100Hz 70Hz 100Hz
iLOW-PASS) (HI-PASS) (LOW-PASS) (LOW-PASS) ({HI-PASS)
{HJ-PASS}
ye
| Block Diagram
(INPUT|
HI-PASS(12cB/ocl)
(SWAY)
Fe=3.5/5/7kKHz
HI-PASS(6dB/oct)
Fo=70/300/140Hz
(2WAY/BWAY)
© TWEETER
2 FRONT
© MID/REAR
by
© SUBWOOFER
pe
peal OUT
19