Owner's Manual
Page 7
...all level controls are secure. It's a good idea to periodically clean all connections to drive the inputs of your Mackie loudspeaker. Noise • Make sure all electrical connections with the SA1521. which is at one end of one cable, causing one loudspeaker to "No sound" below. • The...the way down before calling for service (which usually means the problem lay somewhere else in the system are routed near AC cables, power transformers, or other EMI-inducing devices. • Is there a light dimmer or other SCRbased device on the rear panel glowing green? SERVICE ...
...all level controls are secure. It's a good idea to periodically clean all connections to drive the inputs of your Mackie loudspeaker. Noise • Make sure all electrical connections with the SA1521. which is at one end of one cable, causing one loudspeaker to "No sound" below. • The...the way down before calling for service (which usually means the problem lay somewhere else in the system are routed near AC cables, power transformers, or other EMI-inducing devices. • Is there a light dimmer or other SCRbased device on the rear panel glowing green? SERVICE ...