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P E A K E R

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Figure 1

Using a 

Tube Amplifier

Tube Amplifier

Niles SPS-4

150

150

SPEAKER 2

SPEAKER 1

SPEAKER 3

SPEAKER 4

L

R

AMPLIFIER

L

R

L

R

+

+

-

-

+

+

-

-

L

R

L

R

+

+

-

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Niles Audio

Corporation, Inc.

Miami, Florida  USA

NILES

Summary of Contents for SPS-4

Page 1: ...SPS 4 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 NILES M O D E L SPS 4 SPEAKER SELECTION SYSTEM SPS 4...

Page 2: ...to worry about overloading your amplifier The SPS 4 has a protection circuit that keeps your amplifier running safely even if you have all four pairs of speakers playing at the same time TABLE OF CONT...

Page 3: ...d design assures high reliability Spring loaded push terminal connectors accommodate up to 14 gauge wire or pins making the SPS 4 compatible with most high definition speaker cables 100 tested electro...

Page 4: ...sound installations Only a wire stripper is required for installation Power handling 100 watts channel continuous music power Frequency response Flat 0dB 0dB from 20Hz to20kHz Ten year parts and labo...

Page 5: ...mpedance 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 paralle...

Page 6: ...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 ampli...

Page 7: ...mmer or switch may cause a buzzing or popping sound to be heard through the speakers If you must locate the SPS 4 wiring near electrical devices route the speaker wires several feet away from the elec...

Page 8: ...E L E C T I O N S Y S T E M Figure 1 Using a Tube Amplifier Tube Amplifier Niles SPS 4 150 150 SPEAKER 2 SPEAKER 1 SPEAKER 3 SPEAKER 4 L R AMPLIFIER L R L R L R L R Niles Audio Corporation Inc Miami...

Page 9: ...R AMPLIFIER L R L R L R L R Niles Audio Corporation Inc Miami Florida USA NILES Recessed areas for custom room labels Attractive low profile design Simple push button operation Connect up to four pai...

Page 10: ...es for future reference See Figure 2 9 S P E A K E R S E L E C T I O N S Y S T E M TUNER 94 9 15 SPEAKER 2 SPEAKER 1 SPEAKER 3 SPEAKER 4 L R AMPLIFIER L R L R L R L R Niles Audio Corporation Inc Miami...

Page 11: ...tain that proper phasing is observed connect the positive terminals on the SPS 4 to the positive terminals on the amplifier and speakers and the negative terminals on the SPS 4 to the negative termina...

Page 12: ...receiver and select a source such as the tuner or CD player 4 Slowly turn up the amplifier or receiver volume and set it to a comfortable not maximum listening level Be careful not to overdrive or cli...

Page 13: ...load you will need to activate the PROTECTION button whenever the over all system impedance might fall below 4 ohms Use the follow ing chart as a guide for setting the PROTECTION button When playing...

Page 14: ...table 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...

Page 15: ...e controls allow you to adjust the volume of each speaker pair individually If all the speaker pairs in your system are equipped with Niles volume controls you can leave the amplifier or receiver volu...

Page 16: ...0185 NILES 1999 Niles Audio Corporation All rights reserved Because Niles constantly strives to improve the quality of its products Niles reserves the right to change product specifications without n...

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