Mackie SRM1801 Bedienungsanleitung PDF herunterladen (Seite 14)

Noise/Hum

• Checkthesignalcablebetweenthemixerand

the subwoofer. Make sure all connections are

secure. These problems usually produce crackling

noises or hum.

• IfyouareusingtwoormoreSRM1801 powered

subwoofers, try plugging them all into the same

AC outlet panel or outlet strip. The purpose for

this is to connect them all to the same earth

ground point and reduce the possibility of creating

a ground loop.

• Ifconnectinganunbalancedoutputtothe 

SRM1801 balanced input, make sure the shield is

connected to the unbalanced ground and to pin 1

of the XLR.

Repair

For warranty service, refer to the warranty

information on page 18.

Non-warranty service for Mackie products is

available at a factory-authorized service center. To

locate your nearest service center, call our Tech

Support department at 1-800-898-3211, Monday-Friday,

during normal business hours, Paciﬁc Time, to explain

the problem. Tech Support will tell you where the

nearest factory-authorized service center is located in

your area.

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Mackie SRM1801 Bedienungsanleitung Seite 14