Rane AC 23B Datasheet

CH 1 LOW
2W: INACTIVE
MASTER
4 6 4 6 4
2 8 2 8 2
0 10 0 10 MIN
LEVEL LEVEL MUTE DELAY
MONO MASTER SUBWOOFER
General Description
The Rane AC 23B Active Crossover can be configured as a
stereo 2- or 3-way, or a mono 4- or 5-way. It employs 4th-order
Linkwitz-Riley filter alignments to minimize phase difficulties in
the critical crossover region. The AC 23B uses XLR connectors
with active balanced Inputs and Outputs.
Simply put, a Linkwitz-Riley alignment is two cascaded 2nd-
order Butterworth filters exhibiting identical phase characteris-
tics on their low-pass and high-pass outputs. This characteristic
guarantees in-phase outputs at all frequencies. In-phase outputs
are mandatory for proper acoustic summing of common signals
from adjacent drivers in the crossover region. An added benefit of
this topology is steep 24 dB per octave rolloff slopes. A slope of
this magnitude guarantees drivers designed to produce a specific
range of frequencies, and no more, will not be driven past their
Features
• Stereo 2- or 3-Way, Mono 4- or 5-Way
• Linkwitz-Riley Alignment with 24 dB per Octave Slopes
• Adjustable Delays
• Infrasonic, Ultrasonic and RFI Filters
DATA SHEET
3W: LOW / MID MID 3W: MID / HIGH
2W: INACTIVE 2W: LOW 2W: LOW / HIGH
240 400 700
200 600 550
6 4 6 4 6
150 750 475
100 850 350
80 900 250
8 2 8 2 8
70 1k 190
MAX 0 10 MIN MAX
FREQUENCY LEVEL MUTE DELAY FREQUENCY
4W: MID / HIGH
SUB / LOW MID
5W: MID / HIGH-MID
HIGH CH 2 LOW
2W: INACTIVE
MASTER
1.0k
2.0k
4 6 4 6 4 6 4
2.8k
4.5k
5.8k
2 8 2 8 2 8 2
7.0k
0 10 0 10 0 10 MIN MAX
LEVEL LEVEL LEVEL MUTE DELAY
MONO 4W OR 5W: INACTIVE
LOW
limits, thereby minimizing distortion and driver fatigue.
To further guarantee the transparent operation of the
AC 23B, adjustable Delay circuits appear on the Low & Mid
Outputs of each Channel to compensate for any physical mis-
alignment of the drivers. Time correction ensures the mechanical
phase alignment of adjacent drivers will be acoustically correct,
thus maintaining the integrity of the electrical phase alignment
of the crossover's filters.
In 2- or 3-way stereo mode, the low outputs may be mono'ed
by moving an internal jumper. Constant directivity (CD) horn
equalization is possible with an internal modification. See the
manual for details.
See the RaneNote Linkwitz-Riley Crossovers for more infor-
mation, available at www.rane.com.
• Low & Mid Output Muting (3-Way)
• Input & Output Level Controls
• Fully Active Balanced XLR Inputs & Outputs
• UL/CSA/CE and 00/20/230 VAC Remote Power Supplies
ACTIVE CROSSOVER
3W: LOW / MID MID 3W: MID / HIGH
2W: INACTIVE 2W: LOW 2W: LOW / HIGH
240 400 700
200 600 550
6 4 6 4 6
150 750 475
100 850 350
80 900 250
8 2 8 2 8
70 1k 190
0 10 MIN MAX
FREQUENCY FREQUENCY LEVEL MUTE DELAY FREQUENCY
4W: INACTIVE 4W: INACTIVE
LOW / MID
5W: HIGH-MID 5W: HIGH-MID / HIGH
AC 23B
HIGH
1.0k
2.0k
4 6
2.8k
4.5k AC 23B
5.8k
2 8
ACTIVE
CROSSOVER
7k
0 10
LEVEL POWER
HIGH
Data Sheet-