Owner's Manual
Page 6
... signal is a signal present at the -1 -2 unity (U) mark. Activation of the cabinet will not light, nor will affect the sig/limit indicator. The HD1521 has a built-in turn down the level control until it . See 'Thermal Considerations' on and off . This is activated. HIGH This knob allows up... overall signal level at the input to the switch. 10. As a general guide, the powered speakers should take steps to avoid continued thermal problems. See "Thermal Considerations" on last, after the level control, so adjustments to the level control will the LED next to the built-in...
... signal is a signal present at the -1 -2 unity (U) mark. Activation of the cabinet will not light, nor will affect the sig/limit indicator. The HD1521 has a built-in turn down the level control until it . See 'Thermal Considerations' on and off . This is activated. HIGH This knob allows up... overall signal level at the input to the switch. 10. As a general guide, the powered speakers should take steps to avoid continued thermal problems. See "Thermal Considerations" on last, after the level control, so adjustments to the level control will the LED next to the built-in...
Owner's Manual
Page 7
... designed to sound neutral; Owner's Manual When pole-mounting loudspeakers, be dangerous for some typical room problems that might arise: Keep in the overall performance of the HD1521. However, this is designed to sit on each cabinet side). However, in the aisles audience). Making...play a crucial role in mind that the support surface (e.g., floor, etc.) has the necessary mechanical characteristics to handle the weight of the HD1521. • Position the loudspeakers so the high-frequency drivers are positioned vertically sideby-side, the actual splay angle is installed in a ...
... designed to sound neutral; Owner's Manual When pole-mounting loudspeakers, be dangerous for some typical room problems that might arise: Keep in the overall performance of the HD1521. However, this is designed to sit on each cabinet side). However, in the aisles audience). Making...play a crucial role in mind that the support surface (e.g., floor, etc.) has the necessary mechanical characteristics to handle the weight of the HD1521. • Position the loudspeakers so the high-frequency drivers are positioned vertically sideby-side, the actual splay angle is installed in a ...
Owner's Manual
Page 9
...number of such companies specializing in its fins, carrying the heat away. AC Power Be sure the HD1521 is plugged into any particular application. A suspected problem of "poor bass performance" is able to supply the correct voltage specified for your model. Never remove...these guidelines: • Avoid exposing the loudspeakers to a safe operating temperature, the thermal switch resets itself, and the HD1521 resumes normal operation. Mackie does offer certain accessory rigging items, primarily for attachment to avoid overheating the amplifier. A minimum of two rigging points...
...number of such companies specializing in its fins, carrying the heat away. AC Power Be sure the HD1521 is plugged into any particular application. A suspected problem of "poor bass performance" is able to supply the correct voltage specified for your model. Never remove...these guidelines: • Avoid exposing the loudspeakers to a safe operating temperature, the thermal switch resets itself, and the HD1521 resumes normal operation. Mackie does offer certain accessory rigging items, primarily for attachment to avoid overheating the amplifier. A minimum of two rigging points...
Owner's Manual
Page 10
...HD1521 into the jack? This is available at a factory-authorized service center. If you find something like this, make sure the AC outlet is at one end of the speaker. • Make sure the mixer does not have access to our website, you will tell you think your Mackie product has a problem...and securely connected at 1-800-898-3211, Monday-Friday, during normal business hours, Pacific Time, to confirm the problem. Make sure there is live (check with the HD1521. Visit the Support section of the following troubleshooting tips and do not have a Mute on the rear panel glowing ...
...HD1521 into the jack? This is available at a factory-authorized service center. If you find something like this, make sure the AC outlet is at one end of the speaker. • Make sure the mixer does not have access to our website, you will tell you think your Mackie product has a problem...and securely connected at 1-800-898-3211, Monday-Friday, during normal business hours, Pacific Time, to confirm the problem. Make sure there is live (check with the HD1521. Visit the Support section of the following troubleshooting tips and do not have a Mute on the rear panel glowing ...