Crate LS4 User's Guide download pdf (Page 5)

LS4

24dB/Octave Active Stereo Crossover

The X1/X10 Switches:

The X1/X10 switch (#7,#18) varies the range of the crossover frequency. When this switch is not depressed, the

crossover frequency is adjustable between 50Hz and 1kHz. When this switch is depressed, the crossover frequency

is adjustable between 500Hz and 10kHz. The chart below illustrates the effect these switches have on frequency

response.

The Low Cut and High Cut Switches:

The Low Cut switch (#3,#14) provides a 6dB/octave cut in the amplitude of signals below 40Hz to eliminate sub-

sonic rumble. The High Cut switch (#4,#15) provides a 6dB/octave cut in the amplitude of signals above 15kHz to

reduce hiss and other unwanted high frequency noise. These circuits are engaged when their respective switches

are depressed. The chart below illustrates the effect these switches have on frequency response.

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Crate LS4 User's Guide Page 5