Niles Audio Stereo Amplifier SSVC 2 User Manual

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  
SSVC-2/SSVC-4/SSVC-6  
SPEAKER SELECTION/VOLUME CONTROL SYSTEMS  
®
Niles Audio  
Corporation  
©2004 Niles Audio Corporation. All rights reserved. Niles, the Niles logo and Blending High Fidelity and  
Architecture are registered trademarks of Niles Audio Corporation. Because we strive to improve our  
products, Niles reserves the right to change product specifications without notice. The technical and  
other information contained herein is not intended to set forth all technical and other specifications of  
at 1-800-289-4434. Printed in China 01/04 DS00357ACN  
12331 S.W. 130 Street  
Miami, Florida 33186  
Tel: (305) 238-4373  
Fax: (305) 238-0185  
®
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Specifications  
12 position volume control  
provides greater attenuation  
than conventional  
Audio Power Handling  
10 position designs.  
100 watts/channel continuous music power  
Frequency Response  
Recessed  
areas for  
custom room  
labels.  
+/- 1.2 dB from 20 Hz to 20 kHz  
SSVC-4 SPEAKER SELECTOR/VOLUME CONTROL SYSTEM  
Mounting  
Table-top component  
Attractive  
low-profile  
design.  
1
2
3
4
Wiring Requirements  
Individual runs of 2-conductor speaker wire. Connectors  
accommodate wire sizes 14-22 gauge (16 gauge recommend-  
ed)  
Simple  
push-button  
operation.  
Connect up to two pairs  
of speakers.  
Overall Dimensions  
8-1/2" wide x 2" high x 7-1/4" deep  
Weight  
3 lb.  
Niles Audio Corporation Miami, Florida USA  
5/6  
3/4  
AMPLIFIER  
SPEAKER  
4
SPEAKER  
3
SPEAKER  
2
SPEAKER  
1
2
1
SPEAKER PAIRS  
Impedamce  
Magnification  
Selection.  
Removable  
Connectors.  
3
12  
 
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Installation Considerations  
Operation  
“TECH TIP”  
1. Make sure the amplifier or receiver power is OFF and set the  
volume to minimum.  
Power Handling  
If your amplifier  
or receiver has “A”  
and “B” speaker-  
pair outputs,  
connect the SSVC  
series to the “A”  
outputs. Do not  
connect anything to  
“B”. This will prevent  
the amplifier or  
IMPORTANT  
The SSVC-2, SSVC-4, and SSVC-6 are 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.  
DO NOT use the  
SSVC-2/4/6 with  
amps or receivers  
rated at more than  
100 watts per chan-  
nel RMS at 8 ohms.  
2. Set the volume control for the speaker pair you wish to play  
to maximum (fully clockwise).  
3. Locate the on/off button which corresponds to the speaker  
pair you wish to play. Set it to the ON position.  
4. Turn on the amplifier or receiver and select as source, such  
as the tuner or CD player.  
Important: DO NOT use the SSVC series with amps or receivers  
rated at more than 100 watts per channel RMS at 8 ohms.  
5. Slowly turn up the amplifier or receiver volume and set it to  
a comfortable (not maximum) listening level. Be careful not  
to overdrive or “clip” your amplifier. If the sound becomes  
muddy or distorted, you have reached the limit of your  
amplifier's volume capability and should quickly reduce the  
volume to avoid damaging your speakers.  
Amplifier Impedance Load  
receiver from driving  
an unusually low  
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 par-  
allel, the impedance will be 4 ohms, two pairs of 4-ohm  
speakers in parallel become 2 ohms, and so on.  
6. Using the appropriate volume control on the front of the  
speaker selector, adjust the volume of the speakers to the  
desired listening level.  
Most receivers or amplifiers are not rated for use below a  
4 ohm load. Most manufacturers do not recommend connect-  
ing two pairs of 4-ohm speakers without using some form of  
impedance correction.  
7. You can turn off the speakers by turning the appropriate  
volume control on the SSVC series fully counter-clockwise,  
or by pressing the on/off button.  
5
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Type of Speaker Wire  
Installation  
For most applications, we recommend you use 16 or 18  
gauge stranded copper speaker wire for the SSVC-2/4/6 con-  
nections. For wiring runs longer than 80 feet, 14 gauge wire is  
recommended. Using speaker wire larger than 14 gauge for  
SSVC connections is not recommended—the wire may not fit  
into the connectors. Never use solid-core, aluminum, or  
“Romex” type wire with the speaker selector. When running  
speaker wires inside walls, most states and municipalities in  
the U.S. specify that you must use a special type of speaker  
wire. Usually, the requirement is that the wire has a specific  
“CL” fire rating, such as “CL-2” or “CL-3”. Consult your Niles  
dealer, building contractor, or local building and inspection  
department if unsure about which type of wire is best for  
your application.  
1. Select a convenient location for the SSVC-2/4/6 .  
2. Run all the necessary wiring to the SSVC-2/4/6 . Label the  
wires for future reference. See (Figure 1).  
3. Locate the connector plugs (and remove them if they are  
plugged in). See (Figure 2) and (Figure 4).  
4. Strip 1/4" of insulation from the end of each wire. Tightly  
twist the end of each wire until no frayed ends remain.  
SSVC-2 connector installation  
a. On the SSVC-2 use a small flathead screwdriver or your  
thumbnail to raise the locking tabs, exposing the holes on  
the removable connector plug.  
b. Insert each wire into the appropriate hole on the removable  
connector plug, and snap the locking tab down.  
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  
thought the speakers. If you must locate the SSVC series  
wiring near electrical devices, route the speaker wires several  
feet away from the electrical wiring.  
NOTE: To help you avoid improper installation, the  
connector plug is keyed.  
c. Insert the smooth side of the connector plug into the  
smooth side of the socket. Don’t force the scalloped side of  
the connector plug into the smooth side of the socket. See  
(Figure 2).  
7
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SSVC-4/6 connector installation  
Calculating the Impedance Magnification Setting  
a. Insert each wire into the appropriate hole on the removable  
connector plug.  
Use the following instructions to select the correct switch  
setting for the number and type of speakers in your system.  
“TECH TIP”  
b. Use a small flathead screwdriver to tighten each wire  
in place.  
1. Count the number of pairs of speakers you are connecting  
to the system.  
c. Insert the connector plug into the socket and lock in place  
by tightening captive screws on each side of connector.  
See (Figure 4).  
2. Set the Speaker Pairs switch on the rear panel of the  
SSVC-2/4/6 to match the number of pairs of speakers (1, 2,  
3/4, 5/6).  
The inputs of the SSVC-2/4/6 are the connector terminals  
labeled “AMPLIFIER”. The outputs are the connector terminals  
labeled “SPEAKERS”. Be sure not to reverse these connections  
or the SSVC-2/4/6 will not function properly.  
Wire size is  
expressed by it's  
AWG (American  
Wire Gauge)  
number. The lower  
the AWG number,  
the larger the wire,  
i.e., 12 AWG wire is  
physically larger than  
14 AWG.  
5. Locate the pre-printed Room Labels. Affix the appropriate label  
to the recessed area next to the knob on the SSVC-2/4/6 .  
9
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Balancing Speaker Volume  
The volume control on your receiver or amplifier serves as the  
“master” volume for all speaker pairs connected.  
Receiver  
TUNER 94.9  
15  
SPEAKER 4  
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.  
Niles SSVC4  
Niles Audio Corporation Miami, Florida USA  
5/6  
3/4  
AMPLIFIER  
SPEAKER  
4
SPEAKER  
3
SPEAKER  
2
SPEAKER  
1
2
1
SPEAKER PAIRS  
The SSVC series volume controls allow you to adjust the vol-  
ume of each speaker pair individually. You can leave the ampli-  
fier or receiver volume set at one position and use the SSVC  
volume controls exclusively.  
Speaker Speaker Speaker Speaker  
Pair 4 Pair 3 Pair 2 Pair 1  
Figure 2  
Connecting the wires  
SSVC-2  
Figure1  
Wiring Diagram  
Tube Amplifier  
AMPLIFIER  
Figure3  
Using a  
Tube Amplifier  
Niles SSVC4  
Niles Audio Corporation Miami, Florida USA  
5/6  
3/4  
AMPLIFIER  
SPEAKER  
4
SPEAKER  
3
SPEAKER  
2
SPEAKER  
1
2
1
SPEAKER PAIRS  
Figure4  
Connecting the wires  
SSVC-4/6  
11  
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Notes  
Features and Benefits  
• Power handling: 100 watts per channel RMS; 200 watts peak  
• Selectable impedance magnification for 1, 2, 3/4, 5/6 pairs  
of speakers  
• Individual room on/off selector switches  
TECH  
SUPPORT  
HOTLINE  
• 12-step controls; 54dB maximum attenuation  
• Separate left and right ground paths for compatibility with  
all amplifiers  
If you have  
questions regarding  
the operation of  
the Niles SSVC-2/4/6,  
contact your local  
Niles dealer or Niles  
Customer Service at  
1-800-289-4434.  
• Removable screwless connectors accommodate up to  
14 gauge wire  
• Rugged all metal chassis construction  
• Non-skid feet won’t scratch furniture and ensure unit stability  
during operation  
• 72 adhesive-backed room identification labels  
• Warranty: Ten-year limited  
• Dimensions: 8-1/2" wide x 2" high x 7-1/4" deep (SSVC-2);  
Dimensions: 17" wide x 2" high x 9-1/8" deep(SSVC-4);  
Dimensions: 17" wide x 2" high x 9-1/8" deep (SSVC-6)  
• Shipping weight: approximately 5 lbs (SSVC-2); 10 lbs  
(SSVC-4); 12 lbs (SSVC-6)  
13  
2
 

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