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8

Appendix

Identifying resistor networks

Use this chart to identify the values of the resistor networks. See the tables on page 4 to find

the correct values for the desired filter frequencies.

Use only these three digits to

determine resistance code.

Disregard the other

numerals and letters.

RESISTANCE

2.7K
3.9K
4.7K
5.6K
6.8K
8.2K

10K
12K
15K
18K
20K
22K
27K
33K
39K
47K
56K
68K

CODE

272
392
472
562
682
822
103
123
153
183
203
223
273
333
393
473
563
683

JBL Professional 8500 Balboa Boulevard, P.O. Box 2200 Northridge, California 91329 U.S.A.

A Harman International Company

MPC-X100 MANUAL 3/99

All manuals and user guides at all-guides.com

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Содержание MPC-X100

Страница 1: ...nce it practically eliminates the danger of unauthorized tampering with crossover setting or incorrect crossover output connections as well as the loudspeaker damage that may result from such user tampering Installing the MPC X100 involves soldering a 10 pin and a 12 pin header into corresponding holes on the input card a process that only qualified technical persons should attempt We recommend th...

Страница 2: ...the chassis 2 screws on each mini panel The upper blank panel will simply drop off when its screws are removed 4 Gently pull the lower input panel out from the amplifier Once it is removed you will notice a ribbon cable connecting the input PC board to the amplifier Disengage the locking wing clamps on the ribbon header and carefully remove the ribbon head from the socket on the board Now the inpu...

Страница 3: ...system III Programming the MPC X100 The MPC X100 is preset for a 100 Hz crossover point this frequency cannot be changed The circuit board has four switches six 3 pin headers and two SIP resistor network sockets all used for programming the module see Figure 3 The numerical designations identify which channel the switch header or socket is part of those designated by a 3 digit number starting in a...

Страница 4: ...pins of the new resistor network into the socket holes and carefully press the network into the socket Be careful to avoid bending the pins of the resistor network Orientation of the resistor network is unimportant as long as all 8 pins are well seated in the socket Channel 2 Programming the ultrasonic low pass filter and CD horn EQ Bypass enable header To use the low pass ultrasonic filter set th...

Страница 5: ...nly used in sound installations to filter out rumbles and other inaudible or unwanted low frequency signals and to protect speaker tuned vented speakers from damage due to excessive energy below the tuning frequency For a subsonic filter determine the lowest useable frequency that the speaker can safely handle and set the high pass filter to that frequency Typical subsonic filters are set at 50 Hz...

Страница 6: ...t 20 kHz or across pins 2 and 3 for 10 dB at 20 kHz MPC X100 Subwoofer Full range speaker system F 100 Hz C 2 Way Active Crossover This configuration routes the frequencies below 100 Hz to amplifier Channel 1 which will driver the subwoofer s and the frequencies above to Channel 2 which will drive the full range typically woofer high frequency as passive 2 way or woofer midrange high frequency as ...

Страница 7: ...1 across pins 1 and 2 to bypass the low pass filter V Warranty Contacting JBL These products are designed and backed by JBL Professional the world leader in sound reinforcement For complete JBL warranty information to order replacement parts or to ask for clarifications to this manual contact JBL Professional Within the United States Contact the Applications Dept JBL Professional PO Box 2200 8500 ...

Страница 8: ... to determine resistance code Disregard the other numerals and letters RESISTANCE 2 7K 3 9K 4 7K 5 6K 6 8K 8 2K 10K 12K 15K 18K 20K 22K 27K 33K 39K 47K 56K 68K CODE 272 392 472 562 682 822 103 123 153 183 203 223 273 333 393 473 563 683 JBL Professional 8500 Balboa Boulevard P O Box 2200 Northridge California 91329 U S A A Harman International Company MPC X100 MANUAL 3 99 All manuals and user guid...

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