Rane AC 22, Operating And Service Manual

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12. MID FREQUENCY LEVEL CONTROL: This controls the level of signal going to the Mid
Frequency driver only.
13. MID FREQUENCY MUTE SWITCH: Removes all signal from the Mid Frequency output
when pressed to the IN position.
14. MID FREQUENCY TIME DELAY CONTROL: This control adds from Oto 2mS of time
delay to the Mid Frequency output only. This allows a mid frequency driver to be electronically
phase-aligned with a high frequency driver whose diaphragm is situated BEHIND the mid
frequency diaphragm. Refer to Section 111-3 for alignment procedure.
15. MID/HI MID CROSSOVER FREQUENCY SELECTOR: This control sets the crossover
frequency between the Mid and Hi Mid frequency drivers.
* NOTE: Both the Ch.1 High frequency level control and Ch.2 Master level control are
automatically bypassed internally when the AC 23 is connected as shown by the diagram on
facing page. Adjusting these controls will have no effect in the Mono mode.
16. HI MID FREQUENCY LEVEL CONTROL: This controls the level of signal going to the Hi
Mid frequency driver only.
17. HI MID FREQUENCY MUTE SWITCH: Removes all signal from the Hi Mid Frequency
output when pressed to the IN position.
18. HI MID FREQUENCY TIME DELAY CONTROL: This control adds from Oto 2mS of time
delay to the Hi Mid Frequency output only. Refer to Section 111-3 for atignment procedure.
19. HI MID/HIGH CROSSOVER FREQUENCY SELECTOR: This control sets the crossover
frequency between the Hi Mid and High Frequency drivers.
20. HIGH FREQUENCY LEVEL CONTROL: This controls the level of signal going to the High
Frequency driver only.
**NOTE: When the AC 23 is connected for Mono4-way operation as shown by the diagram on
the facing page ( with no connection made to the Hi Mid output on the rear panel), the entire Hi
Mid section is bypassed automatically through internal switching. The Hi Mid level control, Hi
Mid mute switch, Hi Mid time delay control and Hi Mid/High crossover frequency selector are
out of circuit and
will
have no effect regardless of their settings.
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