Niles Audio SVL-4AB manual Features and Benefits, If you have

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S P E A K E R S E L E C T I O N / V O L U M E C O N T R O L S Y S T E M

Features and Benefits

The SVL-4AB offers a number of improvements over other speaker selector/volume controllers:

Amplifier A/B Switching—The SVL-4AB provides amplifier switching for each pair of speakers. The switches are “break-before-make“ and simultaneously switch both grounds and hots. This allows any two amplifiers to safely and reliably operate simultaneously.

The SVL-4AB uses 12-position POP-FREE volume controls which are superior to 10-position designs. You get a broader range of adjustment—there are 10 steps of atten- uation instead of 8. Steps 11-6 attenuate -3 dB per step; steps 5-2 are 6 dB per step. Step 12 is "full-on" and step 1 is "full-off".

Greater dynamic range—you get 42 dB of total attenua- tion instead of the usual 20 or 30 dB.

Pre-printed Room Labels are included for easy identification of speaker ON/OFF buttons.

Isolated left and right channel ground returns make the SVL-4AB compatible with all types of amplifiers.

TECH

SUPPORT

HOTLINE

If you have

questions regarding the operation of the Niles SVL-4AB, con- tact your local Niles dealer or Niles Customer Service at 1-800-289-4434.

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Contents SVL-4AB Introduction SVL-4ABIf you have Features and BenefitsPage Installation Considerations SVL-4AB Power HandlingAmplifier Impedance Load Type of Speaker Wire Avoiding Interference Using the SVL-4AB with Tube-Type Amplifiers150 Switch Pairs of speakers Tuner InstallationRemoving Connectors Installing the Connectors Playing One Pair of Speakers At a Time OperationPlaying Two or More Speaker Pairs Simultaneously OFF Wiring Requirements Constant Protection SwitchesNiles Audio Corporation