Radio Shack PASC12 manual Amplifier Requirements, Operation

Models: PASC12

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Amplifier Requirements

parallel, which allows you to daisy chain additional speakers. Thus you can use one amplifier channel to power multiple speakers.

Make certain that the wires you are using are at least 12 gauge unshielded speaker cable (the lower the number, the thicker the wire). Do not use shielded “instrument” cables.

Operation Hooking speakers up in parallel decreases the overall impedance, placing a greater load on the amplifier. Check your amplifier’s specifications to ensure that you are not overloading the channel.

CAUTION: DO NOT USE MORE THAN ONE JACK AS AN AMPLIFIER INPUT. DOING SO WILL DAMAGE THE SPEAKER!

Amplifier Requirements

Check the product specifications (page 5) to see the power handling for your model. There are a couple of considerations to keep in mind when choosing an amplifier to drive your PASC series speaker. While it is true that an amplifier with a higher power rating can damage the drivers, under- powering can be even more dangerous. When an amplifier is overdriven and starts distorting, it generates transient frequencies that are much louder than the program material. These wayward frequencies could damage your speaker. A proper match is an amplifier which could drive the speaker up to the cabinet’s RMS rating, without exceeding the amplifier’s own RMS level.

Operation

When powering on your equipment, make sure the volume level on the amplifier is turned all the way down. This is to avoid the “popping” noise, which could damage your speaker.

The placement of speakers can be a bit tricky. This is especially true to monitors as they are more susceptible to feedback. Being that a monitor is meant to face the performers, the chances of feedback are much greater. The trick is to place the monitor outside the microphone’s pickup pattern. For most microphones the best position is directly behind the mic. Supercardioid mics however, do not reject sound from the back very well, but do have a

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Radio Shack PASC12 manual Amplifier Requirements, Operation