Rane AC 22 Operating And Service Manual Download Page 17 | Manualshive

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Summary of Contents for AC 22

Page 1: ...lo AC 22 and AC 23 ACTIVE CROSSOVERS OPERATING AND SERVICE MANUAL IIANE C OR P OR A T I O N ...

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Page 6: ...urce by using only the Channel2 input and omitting the Channel 1 input As long as nothing is plugged into the Channel 1 input Channel 2 will drive BOTH channels of the AC 22 internally eliminating the need for an external Y adapter to run both channels from a single input 3 HIGH FREQUENCY OUTPUTS Connect the Channel1 High output to the left channel input of the highfrequency amplifier andthe Chann...

Page 7: ...he detents will assure maximum accuracy and consistency between channels Refer to Section 111 2 to determine proper crossover frequency for your particular system 8 MID FREQUENCY LEVEL CONTROL This controls the level of signal going to the Mid Frequency driver NOTE The Ch 1 High frequency level control and the Ch 2 Master level control are automatically bypassed internally when the AC 22 is connec...

Page 8: ... OPERATION USE THE CHANNEL1 INPUT ONLY 2 HIGH FREQUENCY OUTPUT Connect this output to the input s of the high frequency amplifier 3 MID FREQUENCY OUTPUT Connect this output to the input s of the mid frequency amplifier 4 LOW FREQUENCY OUTPUT Connect this output to the input s of the low frequency amplifier This output is not used in the Mono 3 Way mode 5 AC POWER LINE CORD Plug thisinto a 120 VAC ...

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Page 10: ... whose diaphragm is situated BEHIND the low frequency diaphragm Refer to Section 111 3 for alignment procedure 7 LOW MIO CROSSOVER FREQUENCY SELECTOR This 41 detent selector sets the crossover frequency between the Low and Mid frequency drivers Refer to Section 111 2 8 MIO FREQUENCY LEVEL CONTROL This controls the level of signal going to the Mid Frequency driver in this channel only 9 MIO FREQUEN...

Page 11: ...the Channel 1 input As long as nothing is plugged into the Channel 1 input Channel 2 will drive BOTH channels of the AC 23 internally eliminating the need for an external Y adapter 3 HIGH FREQUENCY OUTPUTS Connect the Channel 1 High Out to the left channel inputof the high frequencyamplifier and the Channel2 High Out to the rightchannel input of the high frequency amp 4 MID FREQUENCY OUTPUT Connec...

Page 12: ... this control will normally be set to minimum MIN Refer to Section 111 3 7 SUB LOW CROSSOVER FREQUENCY SELECTOR This 41 detent selector sets the crossover frequency between the Sub woofer and Low frequency drivers The detents will assure accuracy and consistency Refer to Section 111 2 to determine the proper crossover frequency points for the particular drivers in your system 8 LOW FREQUENCY LEVEL...

Page 13: ... 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 at...

Page 14: ... mid frequency amplifier 5 HI MID FREQUENCY OUTPUT FOR MONO 5 WAY ONLY Use this output only fo1 mono 5 way applications OMIT THIS OUTPUT WHEN USING THE AC 23 AS A MONO 4 WAY CROSSOVER AS LONG AS NO PLUG IS INSERTED INTO THIS JACK THE AC 23 INTERNALLY BYPASSES THE HI MIO SECTION AND DEFEATS ALL FRONT PANEL HI MIO CONTROLS For mono 5 way connect this output to the input of the Hi Mid frequency ampli...

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Page 16: ...CHES SHO N 1lH PLUCS NOT lNSERTEO fREOUENCY 450 71 Hz fREO JENCY 450 71 Hz DELAY LF LEVEL 0 2ms Off to 6 f8 OELAY lF LEVEL 0 2ms Off to 6 F l HF LE ltl Off to 6 f8 3 PIN BALANCED RANE l 4 K IN BAU See Rane Note 11O for other configurations n o 1 i 7J M4W SUB OVT nc M5W sue OVT DIAGRAM 11 1 Wiring connections for balanced input or floating output operation 15 ...

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Page 18: ...ned and that all components are always in phase Then all the main lobes are on axis well behaved and the system enjoys the widest possible dispersion pattern so that everyone gets good sound The one catch is that in many cases it isphysically or otherwiseimpossible to get all the driversvertically linedupat the sound source TH IS is where time delay comes in By electronically delaying the signal g...

Page 19: ...have a two way system crossed over at 800 Hz with the compression driver voice coil located about 9 behind the woofer voice coil the delay knob setting corresponding to a 9 displacement at 800 Hz on the table would be S as indicated on the front panel VOICE COIL DISPLACEMENT INCHES Hz 75II 1 5II 3II 6II 9 II 12II 1511 18II 21II 2411 70 1 1 5 2 2 5 3 5 5 6 7 8 MAX 80 1 1 5 2 2 5 3 5 5 6 7 8 MP X 10...

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Page 22: ...dure For other configurations use the same procedure starting with the highest crossover point and repeating steps 2 through 5 for each lower crossover point 5 Now release the Mid Mute switch so that the tone is emitted from BOTH the Hi and Mid drivers Check the reading on the SPL meter A If the meter reads 3dB then the drivers are properly phase aligned and no delay is necessary leave the Mid del...

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