Peavey CS 800S, CS 500S, CS 500A, 80304543 manual THE P1 OUTPUT MODULE REAR VIEW

connected to the amp via the XLR connector and then further distributed locally via the THRU jack. Alternatively, when the 1/4" phone jack input (12) is used as the input, the THRU jack becomes a “bridged” input to it (similar to a Y-cord), again allowing this input signal to be patched to the other input jack on this amplifier or other amps in the system. IMPORTANT: The THRU jack is not intended to be “input”, and inadvertent usage as such will result in excessive loading of the input source. Although not a catastrophic mistake, it will cause a significant reduction in “system gain” due to the loading, and will seriously limit the overall system performance.

Additional input modules are available from your authorized Peavey Dealer. Details of these modules and the installation instructions can be secured from this source.

THE P1 OUTPUT MODULE (15)

The standard output module shipped with each15 amplifier is called the P1 MODULE. It offers both dual

1/4" jacks and 5-way binding post speaker outputs for each channel. For each channel, the outputs are in parallel, hence the speaker connection cables can be terminated with 1/4" phone plugs, or banana plugs or stripped wires for use in the binding post terminals. For sustained high power applications, the use of the

binding post terminals are recommended; however, care must be exercised to assure the correct speaker phasing. The red binding posts are the signal outputs from each channel, and the black binding posts are chassis ground. The red binding post should be con- nected to the positive inputs of the associated loudspeakers. For bridge mode operation, only the red binding posts are used, and the associated loudspeaker load is connected between the two red binding posts. The red binding post associated with Channel A should be considered the positive output for the system and thus should be connected to the positive input of the associated loudspeaker system.

Regardless of what connections are used, the minimum parallel speaker load should always be limited to 2 ohms per channel or 4 ohms bridge mode for any application. Operation at loads of 4 ohms per channel or 8 ohms bridge mode is more desirable for sustained operation applications due to the fact that the amplifier will run much cooler at this loading. Operation above 4 ohms per channel and even open circuit conditions can always be considered safe; however, sustained operation at loads below 2 ohms could result in temporary amplifier shut down due to the thermal limits fault circuitry.

THE P1 OUTPUT MODULE REAR VIEW (16)

This diagram shows the wiring for the P1 MODULE. Note that16 the module itself is upside down. This is the desired position when re-connecting this and any other module. Once the

correct connections to the 1/4" spades are made, then the module itself can be rotated upward and inserted into the rear panel of the CS®-500A, and the panel screws replaced.

WARNING: Never operate the CS® 500A with either the output or input modules removed. Operating in this

manner will allow the air flow from the fans to escape from these openings instead of flowing through the power amp and power supply components, and thereby not provide adequate cooling for these components.

Following are several other module rear views of a different module and the various wiring schemes. The diagram above and the ones following are provided so that these modules can be correctly wired. Always double-check the wiring. A miswired module can cause severe audio problems, and in the worst case, can cause loudspeaker degradation and failure. In all cases, the color-coded wires are indicated. The double red and yellow wires are the power amp outputs and are not interchangeable. The black wires are the power amp ground connections and are interchangeable.

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