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9 SUPER-X PRO CX3400 User Manual
2.3.3 Mono 4-way operation
First, activate mono 4-way mode by means of the two MODE buttons on the rear
panel. The MONO-LED on the front panel, above the LOW CUT button in
channel 1, lights up.
Fig. 2.8: Proper selection of the two MODE switches for mono 4-way operation
Subsequently, the LEDs above the active controls on the front panel light up,
signaling which controls are active in the operating mode you just selected.
The functions of these controls can be seen from the rst strip label.
(1) INPUT control. This control adjusts the input gain from +12 to -12 dB.
(2) LOW CUT button. This button activates the 25 Hz highpass lter protecting
the woofers against low-frequency signals.
(3) LOW/LOW-MID XOVER FREQ. control. This control governs the crossover
frequency between the Low and Low-Mid bands. When the XOVER
FREQUENCY button on the rear of the unit is pressed, the frequency
range is multiplied by the factor 10.
(4) LOW-MID/HIGH-MID XOVER FREQ. control. This control governs the
crossover frequency between the Low-Mid and High-Mid bands.
(5) DELAY control. This control delays the Low signal by as much as 2 ms,
which is useful to align the speaker systems in phase.
(6) LOW OUTPUT control. Controls the output level of the Low band from
+6 to -6 dB.
(7) LOW PHASE INVERT button. This button reverses the polarity
of the Low output.
(8) LOW MUTE button. Mutes the Low band.
(9) LOW-MID OUTPUT control. Controls the output level of the Low-Mid
band from +6 to -6 dB.
(10) LOW-MID PHASE INVERT button. This button reverses the polarity of the
Low-Mid output.
(11) LOW-MID MUTE button. Mutes the Low-Mid band.
(15) CD HORN button. This button provides a special form of frequency
correction in the High band for constant-directivity horns.
(19) HIGH-MID/HIGH XOVER FREQ. control. This control governs the crossover
frequency between the High-Mid and High bands.
(24) HIGH-MID OUTPUT control. Controls the output level of the High-Mid
band from +6 to -6 dB.
(25) HIGH-MID PHASE INVERT button. This button reverses the polarity of the
High-Mid output.
(26) HIGH-MID MUTE button. Mutes the High-Mid band.
(27) HIGH OUTPUT control. Controls the output level of the High band from
+6 to -6 dB.
(28) HIGH PHASE INVERT button. This button reverses the polarity
of the High output.
(29) HIGH MUTE button. Mutes the High band.
(30) THRESHOLD control. This control determines the limiter threshold.
(31) LIMITER button. This button activates all limiters. Whenever the signal
surpasses the limiter threshold, the LIM-LEDs above the Gain control
light up, signaling that the CX3400 cuts back the output level.
Fig. 2.9:
(1) (3)(3) (4) (5) (9)(6) (15) (19) (24) (30)(27)
(2) (8) (11) (26) (29) (31)
(7) (10) (25) (28)
Active control elements on the front panel of the SUPER-X PRO for mono 4-way operation