Niles Audio manual Avoiding Interference, Using the HDL-6with Tube-TypeAmplifiers

H I G H D E F I N I T I O N S P E A K E R S E L E C T I O N S Y S T E M

Avoiding Interference

Speaker wires can act as an "antenna" for electrical noise. Locating speaker wires too close to a light dimmer or switch may cause a "buzzing" or "popping" sound to be heard through the speakers. If you must locate the HDL-6 wiring near electrical devices, route the speaker wires several feet away from the electrical wiring.

Using the HDL-6 with Tube-Type Amplifiers

Virtually all tube amplifiers must have a load connected at all times. If the amplifier to be connected to the HDL-6 is a tube amplifier, be sure to always have at least one pair of speakers switched on at all times. An alternative is to permanently connect a 150 ohm, 5 watt resistor across the tube amplifier's output in parallel with the HDL-6. See (Figure 1) on next page for hookup diagram.

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