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English
10
0
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20Hz 30Hz
100Hz
1.0KHz 3.0KHz 10KHz 30KHz300Hz
Type-2A: For the tweeter in this case,
pathlength from the listening position is con-
sidered to be 85cm, at approximately 15-
20° off-axis. Located at a moderate vertical
distance down from the tweeter and basi-
cally flush to the panel, the midrange is
8.5cm farther away and presents a listening
angle of about 40-50°. Due to the low door
woofer location however, the listening angle
for the woofer is close to 60° off-axis, with
its acoustic center 8cm farther relative to the
mid. For the tweeter/mid transition, a 3rd
order high-pass and semi-1st order low-pass
with increased level on the mid are engaged,
resulting in a summation point of 4kHz. Op-
timum integration between the woofer and
mid is then achieved with 4th order high-pass
and low-pass at 700Hz.
Network Jumper Setting
HP-2
HP-1
LP-2
LP-1
+2dB
MID HP/LP
3dB
1.5dB
0dB/0
°
+1.5dB/15
°
+4dB/30
°
HP-1
HP-2
HP-3
BYPASS
BYPASS
LP-1
LP-2
LP-3
LP-BYPASS
HP-BYPASS
TW LEVEL
WF LP
MID HP/LP
WF/MID
SIGNAL LINK
SPXZ18T
TW HP
MID/TW
SIGNAL LINK
+
+
Notes:
Highlighted tweeter level jumpers are the recommended settings for each configura-
tion, but user adjustment may be desirable.
Transfer function simulations only illustrate the effect of the filter upon the input sig-
nal, and therefore do not represent the actual frequency response of the system.
If separate channels of amplification are used (bi-wire or tri-wire mode), the appro-
priate signal link jumpers must be removed.
19


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