Illusonic IAP4, Руководство пользователя

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40 Illusonic IAP 4 Chapter 6
Menu: Outputs
SUBSONIC FILTER
OFF
Optionally, you can choose to apply a subsonic high-
pass filter, to reduce strain by subsonic frequencies
on large loudspeakers and subwoofers.
LIMITER
ALL
By default, a limiter is active on each output channel
(“All”), to make sure hard clipping does not occur. A
limiter may alternatively be only applied to the sub-
woofer (“Only Sub”) or all limiters may be disabled
(“Off”).
POLARITY
FL
NORMAL
For each output channel the polarity can be in-
verted. This may be useful for subwoofer channels
and when implementing cross-overs.
LINE LEVEL
NORMAL
The analog output line level can be set between
normal (RCA 2 Vrms, XLR 4 Vrms) and high (RCA
4 Vrms, XLR 8 Vrms). Unless your amplifiers need
a high signal level, choose normal for better signal-
to-noise ratio. Professional active loudspeakers may
need high line level.