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100403-4

8/03

P. I.P.–AMCb

AMC

Programmable
Input Processor (P.I.P.)

O U T P U T

I N P U T

3

1

2

GND

©2003 by Crown Audio, Inc., P.O. Box 1000, Elkhart, IN 46515-1000 U.S.A. Tele-
phone: 574-294-8000. Fax: 574-294-8329. Trademark Notice: 

PIP, PIP2 and Studio

Reference  are trademarks and Crown, Macro-Tech, Com-Tech, IOC and P.I.P. are
registered trademarks of Crown International. Other trademarks are the property of
their respective owners.

Obtaining Other Language Versions:

To obtain information in another language about the use of this product, please
contact your local Crown Distributor. If you need assistance locating your local
distributor, please contact Crown at 574-294-8200.

Note:

 The information provided in this manual was deemed accurate as of the

publication date. However, updates to this information may have occurred. To obtain
the latest version of this manual, please visit the Crown website at
www.crownaudio.com.

Printed on

recycled paper.

Summary of Contents for PIP-AMCB

Page 1: ...trademarks are the property of their respective owners Obtaining Other Language Versions To obtain information in another language about the use of this product please contact your local Crown Distributor If you need assistance locating your local distributor please contact Crown at 574 294 8200 Note The information provided in this manual was deemed accurate as of the publication date However upd...

Page 2: ...P I P AMCb Page 2 ...

Page 3: ...blocks make it easy to configure any of its power ful operating features Features Variable 24 dB octave 4th order Linkwitz Riley crossover with state variable topology Variable 12 dB octave 2nd order low frequency filter with Q 2 for vented box equalization Variable 6 dB octave high fre quency shelving network with vari able 12 dB octave high frequency low pass filter for constant directiv ity hor...

Page 4: ... CONTROL PROC LO LO EQ LO EQ HI HI PROC HI THRU CROSSOVER CH1 THRESHOLD CH2 THRESHOLD BOX EQ HI EQ F G DAISY OUT AMC Programmable Input Processor P I P OUTPUT INPUT 3 1 2 GND 1 2 3 4 5 ON 6 7 8 9 1 2 3 4 5 ON 6 1 2 3 4 5 ON 6 1 2 3 4 5 ON 6 7 8 9 1 2 3 4 5 ON 6 Fig 2 1 Front Bottom Views ...

Page 5: ...requencies 4 THRU directly passes the input to the output 5 EQ HI passes equalized high fre quencies 6 HI passes the unproc essed high frequencies and 7 PROC HI passes processed high frequencies 1 PIN 2 3 4 5 6 7 8 SIP H Compressor Control This six segment DIP switch makes it possible to select the feedback path that will drive the compressors Each compressor can be controlled by the channel 1 or ...

Page 6: ...cy Standard SIP values are used which are identical to the required values of single 1 resistors CROSSOVER R kohms Frequency Hz 220 150 120 100 68 47 39 33 27 22 20 18 15 12 5 33 20 10 8 7 7 7 33 10 6 7 20 10 5 6 5 1 4 7 3 9 3 3 3 0 2 7 2 2 2 0 72 106 133 159 234 339 408 483 590 723 796 884 1062 1278 1592 1942 2074 2387 2843 3122 3388 4083 4825 5308 5898 7238 7962 500 800 1200 1600 2000 2400 Fig 3...

Page 7: ... Set of Sixth Order Vented Box Loudspeaker System Alignments JAES June 1975 FREQUENCY Hz 10 K 20 K 200 1 K 0 6 12 dB CHANNEL 1 CHANNEL 2 FREQUENCY Hz 1 K 2 K 200 45 90 135 CHANNEL 1 CHANNEL 2 0 180 225 270 315 300 400 500 Fig 3 2 Crossover Frequency Response 800 Hz Fig 3 3 Crossover Phase Response 800 Hz LOW FREQUENCY BOX EQUALIZATION Switch Settings 6 dB Frequency Hz OFF OFF OFF OFF OFF OFF 20 24...

Page 8: ... ters see Figures 3 7a and 3 7b Notice that the shelving network can be disabled set to FLAT but the low pass filter is always active Note When the 3 dB roll off fre quency is set to 28 kHz the signal will be 1 dB at 20 kHz Figures 3 6 3 7a and 3 7b show the switch settings and their respective response curves Fig 3 5 Low Frequency EQ Response Curves CONSTANT DIRECTIVITY HORN EQUALIZATION Switch S...

Page 9: ... 18 12 18 dB FREQUENCY Hz 10 K 20 K 200 1 K HORN EQ 4 kHz 6 0 6 12 18 12 18 dB FREQUENCY Hz 10 K 20 K 200 1 K HORN EQ 6 8 kHz 6 0 6 12 18 12 18 dB FREQUENCY Hz 10 K 20 K 200 1 K HORN EQ 1 8 kHz 6 0 6 12 18 12 18 dB FREQUENCY Hz 10 K 20 K 200 1 K HORN EQ 2 2 kHz 6 0 6 12 18 12 18 dB Fig 3 7a High Frequency EQ Response Curves 800 Hz Crossover ...

Page 10: ... amplifier output clips the compres sor will be activated This is because the compressor s drive is derived from the amplifier s IOC error signal Fig 3 7b High Frequency EQ Response Curves 800 Hz Crossover Compressor Threshold Tracing the signal path the compres sors follow the crossover and equal izers Variable threshold signal driven compressors are provided for both the high and low frequencies...

Page 11: ...8 3 60 4 62 6 64 9 67 3 69 8 72 3 75 0 77 7 80 6 83 5 86 6 89 8 93 1 96 5 100 104 107 111 115 120 124 129 133 138 RMS Volts 577 620 667 717 770 827 889 955 1030 1100 1190 1270 1370 1470 1580 1700 1830 1960 2110 2270 2430 2620 2810 3020 3250 3490 3750 4030 4330 4650 5000 5370 5770 6200 6670 7170 7700 8270 8890 9550 W 2Ω 289 310 333 358 385 414 445 478 513 552 593 637 685 736 791 850 913 981 1050 11...

Page 12: ...OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON 1 OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON 2 OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON 4 OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF ON...

Page 13: ...F ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON OFF OFF OFF OF...

Page 14: ...l 1 Channel 2 Channel 1 or 2 ON OFF ON 1 ON ON OFF OFF ON 2 3 4 ON OFF ON OFF ON 5 6 ON OFF ON OFF ON High Compressor Controlled By Channel 2 Channel 1 Channel 1 Channel 2 Channel 1 or 2 Fig 3 10 Compressor Control DIP Switch Settings nels can control the high and low fre quency compressors in any combi nation The compressor switches should be set based on the output signal routing you choose see ...

Page 15: ...osition for the jumper on the daisy chain jumper block Fig ure 2 1 The inch phone jacks on Macro Tech amplifiers should not be used for input while the P I P AMCb is in stalled but they may be used as un balanced daisy chain outputs with loads greater than 5 kohms If used in this manner the signal available at each jack will be the actual signal that the P I P AMCb supplies to drive the amplifier ...

Page 16: ...ill have to recon nect them in the next step 3 Standard P I P Amplifiers Align the edges of the P I P AMCb in the PIP card rails and firmly push the unit in until it is seated against the mount ing bracket see Figure 3 13 Fig 3 13 Installation into a Standard PIP Amplifier PIP2 Amplifiers Requires a PIP2 input adapter Crown part number Q43528 1 Connect the PIP2 input adapter to the two input cable...

Page 17: ...level controls to a desired setting In Dual mode the level controls can now be used to bal ance the low and high frequencies Do not tamper with the circuitry Circuit changes made by unauthorized per sonnel or unauthorized circuit modifi cations are not allowed Remember Remember Remember Remember Remember Crown is not liable for any damage resulting from overdriv ing other components in your sound ...

Page 18: ... set by filter Boost frequency selectable as 20 24 28 30 36 38 42 44 56 65 68 102 120 180 Hz or flat using 9 seg ment DIP switch High Frequency Equalization 1st order shelving network for constant directivity horn equalization Select able boost frequency 3 dB 1 8 2 2 2 4 3 2 4 0 6 8 10 0 kHz or flat using 9 segment DIP switch Band width determines total boost see Figures 3 7a and 3 7b Boost roll o...

Page 19: ...P I P AMCb Page 19 Notes ...

Page 20: ... contact Crown Audio Technical Support Group 1718 W Mishawaka Rd Elkhart Indiana 46517 U S A Phone 800 342 6939 North America Puerto Rico and Virgin Islands or 574 294 8200 Fax 574 294 8301 Internet http www crownaudio com ...

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