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AC 23S

ACTIVE CROSSOVER

Data Sheet-4

All features & specifications subject to change without notice. 1-2014 

©Rane Corporation  10802 47th Ave. W.,  Mukilteo WA 98275-5000 USA  TEL 425-355-6000  FAX 425-347-7757  WEB rane.com

References

1. S.H. Linkwitz, “Active Crossover Networks for Noncoincident Drivers,” 

J. Audio Eng. Soc

., vol. 24, pp. 2-8 (Jan/Feb 1976).

2. D. Bohn, “A Fourth-Order State-Variable Filter for Linkwitz-Riley Active Crossover Designs,” presented at the 74th  

    Convention of the Audio Engineering Society, New York, Oct. 9-12, 1983, preprint no. 2011.

3. D. Bohn, “Linkwitz-Riley Crossovers: A Primer,” 

RaneNote

, (1983, 1989, 2005).

4. D. Bohn, “Why Not Wye?” 

RaneNote

, (1984).

Rear Panel

Available Accessories

•   SC 1.7 Security Cover

Architectural Specifications

The active crossover shall contain 4th-order Linkwitz-Riley filters. 

Provisions shall exist to correct for driver misalignment by adding 

time delay to the low and mid frequency outputs.

The crossover frequency shall be controlled by a continuously 

variable control with 41 detents to allow mechanical reference of 

crossover setting.

Signal inputs and outputs shall be of active balanced design 

terminated with XLR connectors. RFI, infrasonic, and ultrasonic 

filters shall be built-in.

The active crossover shall afford an input level range of Off 

to +6 dB. The output level controls shall afford a level range of 

from Off to +12 dB with muting capability on the low and mid 

frequency outputs. The crossover shall supply two independent 

channels. 

The unit shall be capable of operation by means of its own 

built-in universal power supply operating at 100-240 VAC and 

meet CE requirements. The unit shall be UL and cUL listed. The 

unit shall be entirely constructed from cold-rolled steel.

The unit shall be a Rane Corporation AC 23S Active Crossover.

Choosing the Right Configuration: 

Mono, Dual Mono, or Stereo?

Very few systems indeed will utilize a two channel crossover 

for the purpose of true stereo imaging. Discrete stereo channels 

which are run from the mixing board are usually used for panning 

effects and/or for separate equalization of left and right speaker 

stacks. Different sides of the room often require significantly 

different equalization due to varying room acoustics, dimensions, 

positioning of speaker stacks near walls, curtains and the like.

Even though you may not plan to use stereo equalization 

or panning effects, it is recommended that your system utilize 

discrete crossover channels for each stack of speakers to ensure 

flexibility and control for consistent, optimum sound quality. For 

example, if you plan to run a multi-stack system mono three-way, 

use the AC 23S rather than the AC 22S for separate control over 

each set of speakers—especially since phase alignment may differ 

with each stack requiring separate time delay adjustments. Even 

with only a single system equalizer, the AC 23S can deliver the 

extra independent control which can make a difference in sound 

throughout the listening area. If all drivers are built into a single 

cabinet, or you are running bi-amped monitors, then the AC 22S 

is the one for you.

5W: HIGH MID OUT

LOW OUT

HIGH OUT

4W: OMIT

MONO: OMIT

3W: LOW OUT

2W: OMIT

2W: OMIT

3W: MID OUT

2W: LOW

HIGH OUT

3W

2W

CHANNEL 2

STEREO

CHANNEL 1

STEREO

MONO 4W / 5W IN

MONO: OMIT

SUB OUT

MID OUT

3W: LOW OUT

3W: MID OUT

2W: LOW

3W

2W

MONO

4W

5W

STEREO

STEREO 3W / 2W

HIGH OUT

PIN 2: POSITIVE

PIN 3: NEGATIVE

PIN 1: CHASSIS GND

CHANNEL 2 IN

CHANNEL 1 IN

MONO: SET SWITCHES AS SHOWN

100-240 V

50/60 Hz 7 WATTS

COMMERCIAL AUDIO

EQUIPMENT 24TJ

R

This  device  complies  with  Part  15  of  the  FCC  Rules.  Operation  is 

subject to the following two conditions: (1) this device may not cause 

harmful interference, and (2) this device must accept any interference 

received, including interference that may cause undesired operation.

ACN 001 345 482

MADE IN U.S.A.

RANE CORP.

AC 23S

SET TO

5W

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