9
English
3. Controls/Speaker Adjustment
High / low shelving
The other two controls operate in a different manner. The ‘High Shelve’ is
a shelving filter that progressively raises or lowers above 6 kHz up to 6 dB.
Whereas the gains raise or lower a specific frequency range as a whole, the
shelve filters work differently. They do not alter a whole frequency band but
alter in this band, from a certain point (6 kHz respectively 150 Hz in this case)
the frequencies are gradually being changed (see figure 7 & 8).
LED
There is a diode at the front, above the tweeter. When the loudspeaker is
being switched on, it will flash red a few times. This does not indicate an
overload! It signalizes the control function of the protective circuit. After-
wards, it will start to glow green, indicating power on. If the LED flashes red
during operation, this indicates an overload. The protective circuit will be
activated.
Figure 7
ROOM EQ >6 kHz for the high
frequencies above 6 kHz
Figure 8
ROOM EQ <150 Hz for the low
frequencies below 150 Hz
3.4
3.5
Figure 9: LED
LED
Flashes a few times red when loud-
speaker is being switched on. Glows
green during operation
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