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MODEL
SVL-2
SVL-2
SVL-2
SPEAKER SELECTION/VOLUME CONTROL SYSTEM
NILES ®
INSTALLATION & OPERATION GUIDE
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S PEAKER S E LECTION /V OLUME C ONTROL S YSTEM SVL-2 Speaker Selection/ Volume Control System TABLE OF CONTENTS Introduction The SVL-2 is a combination speaker selector and volume con- Introduction 1 troller. It allows you to connect two pairs of speakers to your stereo receiver or amplifier and adjust the volume of each Features and pair independently. Additionally, you can choose to listen to Benefits 2 either pair of speakers, or both pairs simultaneously. You don't have to worry abo
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S PEAKER S ELECTION /V OLUME C ONTROL S YSTEM Features and Benefits The SVL-2 offers a number of improvements over other speaker selector/volume controllers: l The SVL-2 uses 12 position volume controls which are superior to 10 position designs. You get a broader range of TECH adjustment—there are 10 steps of attenuation instead of 8. SUPPORT Steps 11-6 attenuate -3 dB per step; steps 5-2 are 6 dB per HOTLINE step. Step 12 is "full-on" and step 1 is "full-off". If you have questions regarding l
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S PEAKER S ELECTION /V OLUME C ONTROL S YSTEM l Spring-loaded push terminal connectors accommodate up to 14 gauge wire or "pins", making the SVL-2 compatible with most "high-definition" speaker cables. l 100% tested, electronically and acoustically, for frequency response, distortion and power handling. l Only 8 1/2" wide. Match the width of 17" components by combining with another Niles 1/2 width product. l May be used with 4, 6 or 8-ohm speaker systems. l Ideal for both home and commercial sou
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S PEAKER S ELECTION /V OLUME C ONTROL S YSTEM Installation Considerations SVL-2 Power Handling TOOLS The SVL-2 is designed for use with a receiver or amplifier hav- REQUIRED ing a maximum power output of 100 watts per channel at 8 • Wire Stripper 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 US
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S PEAKER S ELECTION /V OLUME C ONTROL S YSTEM The SVL-2 includes impedance correction circuitry which protects your receiver or amplifier from low impedance loads. The circuitry assures that your receiver or amplifier will see a safe operating load, even when two pairs of 4-ohm speakers are playing at the same time. Type of Speaker Wire "TECH TIP" For most applications, we recommend you use 16 or 18 gauge stranded copper speaker wire for the SVL-2 connec- tions. For wiring runs longer than 80 fe
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S PEAKER S ELECTION /V OLUME C ONTROL S YSTEM near electrical devices, route the speaker wires several feet away from the electrical wiring. Using the SVL-2 with Tube-Type Amplifiers Virtually all tube amplifiers must have a load connected at all times. If the amplifier to be connected to the SVL-2 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 outp
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S PEAKER S ELECTION /V OLUME C ONTROL S YSTEM 12 position volume control provides greater attenuation than conventional 10 position designs. Recessed areas for SVL-2 SPEAKER SELECTION/VOLUME CONTROL SYSTEM custom room labels. PROTECTION Attractive low-profile N
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12 design. Simple Connect up to two pairs Protection switch safeguards your push-button of speakers. receiver or amplifier even with operation. both pairs of speakers playing. AMPLIFIER SPEAKER 2 SPEAKER 1 ++++ N
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S PEAKER S ELECTION /V OLUME C ONTROL S YSTEM Installation 1. Select a convenient location for the SVL-2. 2. Run all the necessary wiring to the SVL-2. Label the wires for future reference. See (Figure 2). Receiver TUNER 94.9 Figure 2 15 Wiring Diagram Niles SVL-2 AMPLIFIER SPEAKER 2 SPEAKER 1 ++++ N
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---- Niles Audio Corporation, Inc. Miami, Florida USA LR LR LR Speaker Speaker Pair 2 Pair 1 8
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S PEAKER S ELECTION /V OLUME C ONTROL S YSTEM 3. Make the connections to the SVL-2. Strip 3/8" of insulation from the end of each wire. Tightly twist the end of each wire until there are no frayed ends. Insert each wire into the appropriate hole on the spring- loaded connector terminals. Be certain that proper phasing is observed—connect the positive terminals on the SVL-2 to the positive terminals on the amplifier and speakers and the negative terminals on the SVL-2 to the negative terminals on
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S PEAKER S ELECTION /V OLUME C ONTROL S YSTEM Operation The are two ways to use the SVL-2. You may play and adjust the volume of either pair of speakers independently, or both pairs simultaneously. If you intend to play both pairs simultaneously, and either pair is less than 8 ohms, you will need to become familiar "TECH TIP" with the operation of the SVL-2's PROTECTION button. If your amplifier or Playing One Pair of Speakers At a Time receiver has "A" and "B" speaker- 1. Make sure the ampli
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S PEAKER S ELECTION /V OLUME C ONTROL S YSTEM 6. Using the appropriate volume control on the front of the SVL-2, adjust the volume of the speakers to the desired listen- ing level. 7. You can turn off the speakers by turning the appropriate volume control on the SVL-2 fully counter-clockwise, or by pressing the ON/OFF button. Playing Two Pairs of Speakers Simultaneously 1. Make sure the amplifier or receiver power is OFF and set the volume to minimum. 2. On the right side of the SVL-2's front pa
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S PEAKER S ELECTION /V OLUME C ONTROL S YSTEM 3. Set both SVL-2 volume controls to maximum. 4. Locate the ON/OFF buttons on the SVL-2. Set both to the "TECH TIP" ON position. You will need to 5. Turn on the amplifier or receiver and select as source, such activate the SVL-2's as the tuner or CD player. PROTECTION button whenever the overall 6. Slowly turn up the amplifier or receiver volume and set it system impedance to a comfortable (not maximum) listening level. Be careful might fall below
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S PEAKER S ELECTION /V OLUME C ONTROL S YSTEM Balancing Speaker Volume The volume control on your receiver or amplifier serves as the "master" volume for all speaker pairs connected. The volume level of the speakers may vary from room to room. This is caused by several factors. Two lesser factors are the size of the speaker and its efficiency. The largest factor is the physical size of the room. The SVL-2's volume controls allow you to adjust the volume of each speaker pair individually. You can
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S PEAKER S ELECTION /V OLUME C ONTROL S YSTEM SPECIFICATIONS Audio Power Handling 100 watts/channel continuous music power Frequency Response +/- 1.2 dB from 20 Hz to 20 kHz Mounting Table-top component Wiring Requirements Individual runs of 2-conductor speaker wire. Connectors accommodate wire sizes 14-22 gauge (16 gauge recommended) Overall Dimensions 8-1/2" wide x 2" high x 7-1/4" deep Weight 3 lb. 14
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NILES ® ® Niles Audio Corporation www.nilesaudio.com © 1999 Niles Audio Corporation. All rights reserved. Because Niles constantly strives to improve the 12331 S.W. 130 Street quality of its products, Niles reserves the right to change product specifications without notice. Niles Miami, Florida 33186 and the Niles logo are registered trademarks of Niles Audio Corporation. Printed in USA 4/96 DS00094A Tel: (305) 238-4373 Fax: (305) 238-0185
