QSC Audio PL230A, PL218A, PL236A, PL224A user manual

Models: PL224A PL236A PL218A PL230A

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FEATURES & SETUP- SIDE PANEL: CROSSOVER & DELAY NETWORK SELECTION & INSTALLATION

SIP RESISTOR NETWORK INSTALLATION GUIDELINES AND SELECTION INFORMATION

Your PL2A amplifier is shipped configured to order with SIP networks installed. If the factory set up is not applicable for your application,then you will need to know your desired crossover frequency and low frequency delay time in order to select the corresponding SIP resistor network values. Refer to the selection chart, below, for nominal crossover frequency and delay values.

A general guideline would be to never use a larger value of delay SIP than that used for the crossover. After choosing the desired values from the selection chart, locate the plastic bag containing the SIP networks and locate the desired value.

DECODING SIP NETWORK RESISTANCE VALUES (see note below decoding chart)

NOTE: Due to the number of manufacturers of SIP resistor networks, we can not possibly provide examples of all the various part number marking schemes. We have provided the three most common marking schemes, above. If the SIP networks you have received do not conform to one of the above schemes, QSC’s Technical Services Department will be glad to assist you in determining the resistance value of your SIPs. Alternatively, you could measure the resistance value with a multimeter; simply set you meter to the proper resistance range and connect your multimeter’s leads to the first two pins of either end to obtain the value.

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QSC Audio PL230A, PL218A, PL236A, PL224A user manual