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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 the
speakers to emit a "buzzing" or "popping" sound. 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 you are connecting a tube amplifier to the HDL-6, be
sure at least one pair of speakers is switched on at all times. An
alternative is to permanently connect a 150-ohm, five-watt resis-
tor across the tube amplifier's output in parallel with the HDL-6.
See Figure 1 on next page for hookup diagram.
6
H
IGH
D
EFINITION
S
PEAKER
S
ELECTION
S
YSTEM