Alpine F#1 Status SPX-Z18T Mode D'emploi page 18

Network Jumper Setting
Type-1B: While the mounting configuration
is the same as Type-1A, this network set-
ting provides a variation for when personal
taste, positioning or vehicle acoustics neces-
sitates more high frequency output from the
midrange and tweeter. Rear deck installa-
tion is one particular example where the
extreme off-axis positioning will require such
level compensation due to the natural roll-
off. Although this will also result in some
additional delay of the woofer, it does not
exert significant influence in this case. The
resultant acoustic crossover points are the
same as indicated above.
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.
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MID HP/LP
SPX–Z18T
WF/MID
WF LP
SIGNAL LINK
MID HP/LP
+
—
10
0
–10
–20
–30
–40
–50
20Hz 30Hz 100Hz 300Hz
TW HP
HP-1
HP-2
HP-3
BYPASS
MID/TW
SIGNAL LINK
+
—
1.0KHz 3.0KHz 10KHz 30KHz
TW LEVEL
15