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ENGLISH
EUROPOWER EP2000/EP4000 User Manual
5
BREAKER (automated fuse). After eliminating the cause of
[13]
faulty operation, simply depress the BREAKER and power
up the unit again. The BREAKER acts in place of common
discardable fuses.
Caution
!
Before engaging the BREAKER switch, you should power
down the unit (POWER switch set to OFF)!
Power is supplied via an IEC connector. The matching
[14]
cable is provided with the unit.
SERIAL NUMBER of your EUROPOWER.
[15]
Here you can nd a detailed overview of the individual
[16]
MODE SWITCHES functions (
{9}
).
Configuration switches 2.3
(MODE SWITCHES)
Clip limiter2.3.1
When the input signal connected to your amp is too high, you
end up with a distorted output signal. To prevent this, both
channels of your EUROPOWER feature a clip limiter that can
be engaged or disengaged selectively. The limiters automati-
cally recognize distortion and lower amplication until distortion
is reduced to a tolerable level. To preserve the dynamic charac-
teristics of the signal when low distortion levels are occurring,
the clip limiters function with moderate suppression. Use
switches 1 (ch. 1) and 10 (ch. 2) to activate the clip limiters.
When using broadband loudspeaker systems, the clip limiter
reduces high frequency distortions which occur when an
amplier is overloaded. The drivers are thus protected from
being damaged.
Input filter2.3.2
The LF (high-pass) lter removes frequencies below 30 and
50 Hz respectively. The reproduction of the signal’s bass portion
is thus optimized, since ultra-low, distracting frequencies are
eliminated, and more power is available for the reproduction of
the wanted segment of the signal. Engaging and disengaging
the lters is done by using the switches 3 (ch. 1) and 8 (ch. 2).
Switches 2 (ch. 1) and 9 (ch. 2) determine the cut-off frequency.
As long as the lter is disengaged, frequencies below 5 Hz are
cut to prevent damage.
You should set up the lters so they best suit the frequency
response of your speakers, since some speakers (e.g. bass reex
speakers) are particularly sensitive to over-excursion below the
listed frequency range.
The 50 Hz lter should be engaged when using broadband
speakers because the lter provides a moderate amplication in
the 100-Hz range, resulting in a fuller sound. The 30 Hz lter
is ideally suited for subwoofer operation as well as for broad-
band cabinets. The “Off” setting should be used only for special
applications (e.g. studio applications), in which recognizing and
subsequently removing infra-sound is important.
Fig. 2.3: Dip-switches