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Rane AC 22S Operator's Manual

Rane AC 22S Operator's Manual

Active crossover
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AC 22
S
ACTIVE CROSSOVER

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Summary of Contents for Rane AC 22S

  • Page 1 AC 22 ACTIVE CROSSOVER...
  • Page 2: Important Safety Instructions

    • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. CAUTION: Changes or modifications not expressly approved by Rane Corporation could void the user's authority to operate the equipment. This Class B digital apparatus complies with Canadian ICES-003.
  • Page 3: Active Crossover

    INACTIVE INACTIVE QUICK START The AC 22S can be either a Stereo 2-Way or Mono 3-Way cross- When operated in the Mono 3-Way mode, the switch should over. To keep operation simple, remember this: be set in the MONO 3-WAY position. Follow the labels below Labels above the controls refer to the 2-Way Stereo mode.
  • Page 4 2 3 4 read the top row CH 1 LOW / HIGH HIGH STEREO CH 2 LOW / HIGH HIGH MASTER MASTER MONO SUB INACTIVE: MONO SUB AC 22S 1.0k 1.0k ACTIVE 1.5k 1.5k CROSSOVER 2.0k 2.0k 3.0k 3.0k 3.6k 3.6k...
  • Page 5 HIGH OUT LOW OUT CH 2 IN STEREO 2-WAY HIGH OUT LOW OUT CH 1 IN AC 22S 100-240 V COMMERCIAL AUDIO MADE IN U.S.A. This device complies with Part EQUIPMENT 24TJ 50/60 Hz 7 WATTS RANE CORP.
  • Page 6 FRONT PANEL: MONO 3-WAY CONFIGURATION CH 1 LOW / HIGH HIGH STEREO CH 2 LOW / HIGH HIGH MASTER MASTER MONO SUB INACTIVE: MONO SUB AC 22S 1.0k 1.0k ACTIVE 1.5k 1.5k CROSSOVER 2.0k 2.0k 3.0k 3.0k 3.6k 3.6k LEVEL...
  • Page 7 Input HIGH OUT LOW OUT CH 2 IN STEREO 2-WAY HIGH OUT LOW OUT CH 1 IN AC 22S 100-240 V COMMERCIAL AUDIO MADE IN U.S.A. This device complies with Part EQUIPMENT 24TJ 50/60 Hz 7 WATTS RANE CORP. 15 of the FCC Rules. Operation...
  • Page 8 “Linkwitz-Riley Crossovers” available in the Library section of the formance at and beyond this point, with a certain safety margin Rane website. In the way of summary, a few words are in order to accommodate more gentle filter roll-offs and resultant higher here to outline the basic effects of time delay in crossovers.
  • Page 9 Time Delay Adjustment Using a STEP BY STEP PROCEDURE A 3-Way mode consisting of High, Mid and Low drivers is used Realtime Analyzer & Pink Noise. here as an example. For 2-Way systems, use the same procedure This method outlines the use of a realtime analyzer, pink noise by replacing LOW for MID and following steps 2 through 5.
  • Page 10 Rane AD 22B. The (one at a time) by the tone generator. First, the highest crossover...
  • Page 11 The built-in Delay system in the AC 22S is designed to accommodate the majority of common speaker configurations; if you encounter con- fusion or difficulty with your particular system, it is best to consult your dealer or the Rane factory for assistance.
  • Page 12 Delay vs. Frequency Table In order to phase-align two drivers you must observe only the crossover frequency, which is common to both drivers. Pink If you do not have the equipment necessary to electronically align noise can be used if all other frequencies are disregarded, since the system as described in the previous sections, you may use the room acoustics and imperfect driver response will cause errone- table below to obtain a rough and approximate phase alignment...
  • Page 13 Setting the Output Level Controls Setting Levels With a Realtime Analyzer Choosing the crossover frequencies was the easy part. Now it gets real fun. The idea is to set the output LEVEL controls on the NOTE: If you are running two Channels, tune up only one Channel crossover so that the entire speaker system has a uniform, flat re- at a time.
  • Page 14 The crossover should now be aligned. Make any overall level adjustments with the MASTER LEVEL level controls and leave the output LEVEL controls unchanged. ©Rane Corporation 10802 47th Ave. W., Mukilteo WA 98275-5000 USA TEL 425-355-6000 FAX 425-347-7757 WEB rane.com Manual-12 111024...