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Model PA4100X | Page 3 |
GENERAL INFORMATION
To enhance the ease of installation and obtain optimum performance from the PA4100X, we recommend that you first become familiar with all its features and special capabilities by studying the descriptions and instructions in this manual.
The PA4100X was designed to meet the audio power amplifier needs of custom installed
Figure 1: The Model PA4100X Amplifier
Cost/Size Efficiency. The PA4100X features four
Remote ON/OFF Control Jacks (C1 & C2). These 3.5mm Stereo Mini Jacks allow the PA4100X to be powered on and off and muted by a positive DC voltage ranging between 5 and 30 volts (11mA @ 12 V). Specifically, when interfaced with the Control Out jacks of zones 7 & 8 on the MRC88 (labeled CO1 and CO2), it permits the MRC88 to power the PA4100X ON and OFF automatically with zone ON/OFF commands or any 12VDC control signal.
Input Level Flexibility. The input level (sensitivity range) is individually adjustable (per stereo pair) from a low of 0.2 volts up to 3 volts. This gives the installer the ability to adjust the overall gain of the system or zone. For instance, there may be a need to adjust the amplifier to deliver a controlled, maximum sound level into a zone when the volume control on the preamp is set to maximum. This would act as a volume limiter for any particular zone (i.e. to prevent the kids from
Low Impedance Capability. Each amplifier is
Peak/Clip LED Indication: Whenever either amplifier channel output starts to enter a clipping state, the channels front panel LED will illuminate RED. After the amp stops clipping the LED will return to its normal state
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