Rane AC 23B Operator's Manual
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Manual-1
AC 23B
ACTIVE CROSSOVER
OPERATORS MANUAL
QUICK START
Labels above the controls refer to the unit being operated in the 2- or 3-Way Stereo mode. Labels below the
controls refer to the unit being operated in the 4- or 5-Way Mono mode.
Set the STEREO/MONO switch appropriately. The fact that the AC 23B is a multiple function unit means the outputs
are switched around in Mono mode.
To operate the unit in Stereo 3-Way mode, be sure the rear panel switches are set for STEREO 3-WAY. Following the
labels above the controls and jacks in logical order, you will find Channel 1 Master Input LEVEL, LOW Output, MID
Output, and HIGH Output, with the same for Channel 2. If you need a summed Mono Low Ouput, see ‘Monoing the Low
Outputs’ on page Manual-7.
To use the unit as a Mono 5-Way, first check that the CHANNEL 1 and 2 switches are set to 3-WAY, and the other
switch is set to MONO. Connect the INPUT source to CHANNEL 1 only. Following the labels below the jacks, look at
SUB OUT, then look over at LOW OUT, now go back to MID OUT, then over to HIGH-MID OUT and then proceed to
the HIGH OUT. An internal switch determines 4 or 5-Way mode. Our apologies to 4-Way users: We must ship the units in
the 5-Way mode since normal Stereo 3-Way operation demands it: a fact not the least bit obvious, but nevertheless, a fact
it remains. Pity. See page Manual-6 for Mono 4-Way configuration.
In agreement with IEC and AES/ANSI standards, AC 22B wiring convention is pin 2 Positive, pin 3 Negative (return),
pin 1 chassis ground. See the “Sound System Interconnection” RaneNote included with this manual for more information
on cabling and grounding requirements.
CAUTION: Never connect anything except an approved Rane Power supply to the thing that looks like a red
telephone jack on the rear of the AC 23B. This is an 18 VAC center tapped power input. Consult the Rane factory for a
replacement or substitution.
WEAR PARTS: This product contains no wear parts.
MONO 4W OR 5W: INACTIVE
MIDMONO MASTER SUBWOOFER SUB / LOW HIGHLOW LOW / MID
4W: MID / HIGH
5W: MID / HIGH-MID
4W: INACTIVE
5W: HIGH-MID / HIGH
4W: INACTIVE
5W: HIGH-MID
100
2
4
8
6
100
2
4
8
6
100
2
4
8
6
100
2
4
8
6
100
2
4
8
6
100
2
4
8
6
100
2
4
8
6
100
2
4
8
6
MAXMIN
2
4
8
6
MAXMIN
2
4
8
6
MAXMIN
2
4
8
6
MAXMIN
2
4
8
6
100
80
1k
900
850
150
200
240
750
600
400
190
250
7.0k
5.8k
550
475
350
700
2.0k
2.8k
4.5k
1.0k
190
250
7k
5.8k
550
475
350
700
2.0k
2.8k
4.5k
1.0k
100
80
1k
900
850
150
200
240
750
600
400
3W: MID / HIGH
2W: LOW / HIGH
3W: LOW / MID
2W: INACTIVE
2W: INACTIVE
3W: MID / HIGH
2W: LOW / HIGH
3W: LOW / MID
2W: INACTIVE
2W: INACTIVE 2W: LOW
ACTIVE
CROSSOVER
70 70
2W: LOW
LEVEL LEVEL
MUTE
LEVEL LEVEL
MUTE
FREQUENCYDELAY DELAYLEVEL FREQUENCY FREQUENCYLEVEL DELAY
MUTE
FREQUENCY LEVEL DELAY
MUTE
LEVEL
AC 23B
CH 2
MASTER
CH 1
MASTER
POWER
FREQUENCY
LOW MID LOW MIDHIGH HIGH