M O D E L
SVL-6
SVL-6
SPEAKER SELECTION/VOLUME CONTROL SYSTEM
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I N S T A L L A T I O N & O P E R A T I O N G U I D E
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
SVL-6
Speaker
Selection/Volume
Control System
TABLE OF CONTENTS |
Introduction |
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Introduction |
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The SVL-6 is a combination speaker selector and volume con- |
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troller. It allows you to connect up to six pairs of speakers to |
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Features and |
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your stereo receiver or amplifier and adjust the volume of |
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Benefits |
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each pair independently. Additionally, you can choose to lis- |
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ten to any one pair, any combination of pairs, or all pairs at |
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Installation |
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once. You don't have to worry about overloading your ampli- |
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Considerations 4 |
fier. The SVL-6 has a protection circuit that keeps your ampli- |
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Installation |
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fier running safely, even with all six pairs of speakers playing |
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at the same time. |
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Operation |
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A perfect application for the SVL-6 is individually controlling |
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Specifications 14 |
speaker "ON/OFF" and volume adjustment for six pairs of |
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speakers: one pair in the room with the main stereo system |
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and five additional pairs in remote locations. The SVL-6 |
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adjusts the volume of the speakers connected to it by attenu- |
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ating the amplifier signal. Niles volume controls use auto- |
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formers instead of L-pads for the volume controlling element. |
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This assures minimal internal power dissipation with virtually |
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no power wasted as heat. |
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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-6 offers a number of improvements over other speaker selector/volume controllers:
●The SVL-6 uses 12 position volume controls which are superior to 10 position designs. You get a broader range of adjustment—there are 10 steps of attenuation 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 attenuation instead of the usual 20 or 30 dB.
●POP-FREE switching between all steps.
●Pre-printed Room Labels are included for easy identification of speaker ON/OFF buttons.
●Rear-panel switch for constant or selectable impedance protection.
●Isolated left and right channel ground returns make the SVL-6 compatible with all types of amplifiers.
●Self-cleaning, silver-plated switch contacts assure many years of trouble free use.
TECH
SUPPORT
HOTLINE
If you have questions regarding the operation of the Niles SVL-6, contact your local Niles dealer or Niles Customer Service at 1-800-289-4434.
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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
●Printed circuit board design assures high reliability.
●Two-piece removable connectors greatly simplify installation and hookup. All wiring can be attached directly to the connectors before installing them in the SVL-6.
●Removable connectors accommodate up to 14 gauge wire or "pins", making the SVL-6 compatible with most "highdefinition" speaker cables.
●100% tested, electronically and acoustically, for frequency response, distortion and power handling.
●Standard 17" width allows the SVL-6 to stack neatly with other standard size components.
●May be used with 4, 6, or 8-ohm speaker systems.
●Ideal for both home and commercial sound installations.
●Only an 1/8" standard screwdriver and wire stripper are required for installation.
●Power handling: 100 watts/channel continuous music power.
●Frequency response: 20 Hz to 20 kHz +/-1.2 dB.
●Ten year parts and labor warranty.
●Proudly made in the USA.
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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
Installation Considerations
SVL-6 Power Handling
The SVL-6 is designed for use with a receiver or amplifier having a maximum power output of 100 watts per channel at 8 ohms. Damage caused by the use of a higher-power receiver or amplifier will void the warranty. Consult your Niles dealer, or receiver/amplifier manufacturer, if you are uncertain about the power rating of your receiver or amplifier.
IMPORTANT: DO NOT USE THE SVL-6 WITH AMPS OR RECEIVERS RATED AT MORE THAN 100 WATTS PER CHANNEL RMS AT 8 OHMS.
Amplifier Impedance Load
As more pairs of speakers are parallel connected to a receiver or amplifier, the overall system impedance becomes lower. For example, if two pairs of 8-ohm speakers are connected in parallel, the impedance will be 4 ohms; two pairs of 4-ohm speakers in parallel become 2 ohms, and so on.
Most receivers or amplifiers are not rated for use below a 4 ohm load. Most manufacturers do not recommend connecting more than two pairs of speakers without using some form of impedance correction.
TOOLS
REQUIRED
• 1/8" Standard
Slotted Screwdriver
• Wire Stripper
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