CD BOOST
The constant directivity horn equalization circuit is to be used with horns that require a high frequency boost.
Consult your horn manufacturer to determine whether it is needed in your circumstance. The provided boost is
+3 db @3.5kHz rising 6db per octave to 22.5kHz. (See figure 1) No changes need to be made to operate
without the constant directivity boost.
If the constant directivity equalization circuit is desired on a particular channel then depress the corresponding
switch labeled "CD BOOST".
There is one switch for each channedl located by that channels input jack. If two or more channels are ganged
together, then only use the switch closest to the used input jack. The switches closest to the un-used input jacks
have no effect on the circuit when ganged.
Clip LED
This LED will light when output capability is being exceeded with clipping distortion. Occasional flickering of
the Clip LED is acceptable, but if it remains on continuously you should turn down the level control or reduce
the output level of the preceding component to avoid audible distortion.
Range X10(only CX-152)
When this switch is set on the cut off frequency adjusted by the High/Low FREQUENCY ADJUST knob is
multiplied by 10.
ON(FX10): 800Hz-9200Hz
OFF(FX1): 800Hz-920Hz
LOW/MID/HIGH PHASE inversion switch
These switches invert an phase between the speakers. Use them when you feel a bad sound continuity between
the LOW,MID and HIGH ranges.
LOW SUMMING
The CX-152,CX-153andCX-154 are designed to sum all or any of the low outputs if desired.
The shorting connector "CN4" must be removed from the channels being summed and should, for best results,
be in place when no summing is desired. Shorting connector "CH4" is located nearly in the center at the two
pieces board. You can easy to find it while the top plate opened.
CX-152 STEREO TWO-WAY
and HIGH OUT 2 attach a cable to the input of the left and right high fequency amplifiers.
LOW OUT 2 attach a cable to the input of the left and right low frequency amplifiers. From the HIGH OUT 1
Plug the left line-in and the right line-in to INPUT 1 and INPUT 2 repectively. From the LOW OUT 1 and
When stereo two-way operation is desired with the CX-152 there are no patch cords required.
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