E A K E R E L E C T I O N Y S T E M SPS-4 Speaker Selection System Introduction TABLE OF CONTENTS The SPS-4 allows you to connect up to four pairs of speakers Introduction to your stereo receiver or amplifier and play any pair, any combination of pairs, or all pairs simultaneously.
14 gauge wire or "pins", making the SPS-4 compatible 1-800-289-4434. with most high definition speaker cables. 100% tested, electronically and acoustically, for frequency response, distortion and power handling. Only 8 1/2" wide. Match the width of 17" components by combining with another Niles 1/2-width product.
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P E A K E R E L E C T I O N Y S T E M May be used with 4, 6, or 8-ohm speaker systems. Ideal for both home and commercial sound installations. Only a wire stripper is required for installation. Power handling: 100 watts/channel continuous music power.
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. Niles speaker selectors with higher power handling capabilities are available. Consult your Niles dealer, or receiver/amplifier manufacturer, if you are uncertain about the power rating of your receiver or amplifier.
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If you intend to use the SPS-4 with more than 2 pairs of 4-ohm speakers, it is recommended that you verify that the receiver or amplifier is capable of driving a 4-ohm load. Consult your Niles dealer, or receiver/amplifier manufacturer, if you are uncertain about the capabilities of the receiver/amplifier.
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Usually, the requirement is that the wire has a specific "CL" fire rating, such as "CL-2" or "CL-3". Consult your Niles deal- er, building contractor, or local building and inspection department if unsure about which type of wire is best for your application.
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P E A K E R E L E C T I O N Y S T E M Tube Amplifier Figure 1 Using a Tube Amplifier Niles SPS-4 AMPLIFIER SPEAKER 4 SPEAKER 3 SPEAKER 2 SPEAKER 1 NILES Niles Audio Corporation, Inc.
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Protection switch safeguards your push-button of speakers. receiver or amplifier even with all operation. 4 pairs of speakers playing. AMPLIFIER SPEAKER 4 SPEAKER 3 SPEAKER 2 SPEAKER 1 NILES Niles Audio Corporation, Inc. Miami, Florida USA Spring loaded push connectors.
1. Select a convenient mounting location for the SPS-4. 2. Run all the necessary wiring to the SPS-4. Label the wires for future reference. See (Figure 2). Receiver TUNER 94.9 Figure 2 Wiring Diagram Niles SPS-4 AMPLIFIER SPEAKER 4 SPEAKER 3 SPEAKER 2 SPEAKER 1 NILES Niles Audio Corporation, Inc.
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P E A K E R E L E C T I O N Y S T E M 3. Make the connections to the SPS-4. Strip 3/8" of insulation from the end of each wire. Tightly twist the end of each wire until there are no frayed ends.
P E A K E R E L E C T I O N Y S T E M Operation There are two ways to use the SPS-4. You may play one pair "TECH TIP" of speakers at a time, or play multiple pairs simultaneously. If your amplifier or If you intend to play more than one pair of speakers at the receiver has "A"...
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P E A K E R E L E C T I O N Y S T E M Playing Two or More Speaker Pairs Simultaneously 1. Make sure the amplifier or receiver power is OFF and set "TECH TIP" the volume to minimum.
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P E A K E R E L E C T I O N Y S T E M 3. Locate the ON/OFF buttons on the SPS-4 which corre- spond to the speaker pairs you wish to play. Set them to the ON position.
Mounting The best way to balance speaker volume is to equip each of Table-top component the speaker pairs in your system with a Niles volume control. The controls allow you to adjust the volume of each speaker Wiring Requirements pair individually. If all the speaker pairs in your system are...
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