Pyle PASW15 PASW18 Manual 1 - Page 4
Troubleshooting
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a direct line-of-site between the sub and the audience. Optimal placement is directly on the floor. When using more than one loudspeaker, you have to account for phase alignment. When the speakers are close together this is not usually an issue. However, when they are far apart, the sound from one speaker may reach the ear a fraction of a second before the other. This will cause certain frequencies to cancel out, resulting in a hollow sound. To avoid this, you may have to use a delay processor to align the sound from the speakers. Although an active crossover is not required you may choose to use one for maximum routing control and increased amplifier efficiency. Troubleshooting No Sound: Check connections Try a different speaker cable Check levels on amplifier Confirm amplifier is getting a signal (check signal LED, or use headphone output) Intermittent Output: Check connections Try a different speaker cable Weak Bass: Check the polarity of the speaker connection. It may be reversed. Listen with headphones to confirm the amplifier is being sent a good signal. Distorted Sound: Check if the amplifier is overdriven. If it is, you will have to turn the level down. Make sure you are not exceeding the RMS rating of your speaker. 4