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Niles Audio SI-1230 manual

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Table of contents for the manual

  • Page 1

    AMPLIFIERS INST ALLA TION GUIDE SI - SERIES 2[...]

  • Page 2

    WWW .NILESAUDIO.COM Thank you for purchasing the awar d winning Niles SI-1230 Series 2, one of the most versatile and powerful multi-channel ampliers ever offer ed. Like all Niles products, the SI-1230 is built to the highest standar ds of quality and reliability . With proper installation and operation, you’ll enjoy years of tr ouble-free use[...]

  • Page 3

    NILES AUDIO CORPORA TION – 1-800-BUY -HIFI – 1-760-710-0992 3 2 Channel, BridgaBle Power amPlifiers ImpORT ANT SAFETy INSTRUCTIONS 1 . Read t hese instructions. 2. Keep these instructions. 3. He ed a ll war nin gs. 4. Fol low al l ins tru ctio ns. 5. Do n ot us e this a ppa rat us ne ar wat er . 6. Cl ean o nly w ith a d ry c loth . 7 . Do not [...]

  • Page 4

    4 WWW .NILESAUDIO.COM INTROdUCTION BRIdGABLE pOwER AmpLIFIERS SI - 12 3 0 W e call the SI-1230 a Systems Integration Amplier because it is a power amplier specically designed to solve the problems of interfacing with differ ent brands and models of equipment, differ ent acoustic environments in differ ent rooms, and dif ferent kinds of app[...]

  • Page 5

    5 NILES AUDIO CORPORA TION – 1-800-BUY -HIFI – 1-760-710-0992 2 Channel, BridgaBle Power amPlifiers FEA TURES ANd BENEFITS REAL wORLd pOwER The SI-1230 is a 12-channel amplier that delivers a solid 30 watts per channel RMS into 8 ohms and 40 watts per channel RMS into 4 ohms. A new digital power transformer design provides the ener gy necess[...]

  • Page 6

    6 WWW .NILESAUDIO.COM FEA TURES ANd BENEFITS CONTINUEd... INdEpENdENT LEvEL CONTROLS Each amplier channel has an independent level control enabling you to adjust the volume settings for twelve differ ent speaker locations individually . Each speaker can now be adjusted specically for its location and for who will be listening! TURN-ON mOdES T[...]

  • Page 7

    7 NILES AUDIO CORPORA TION – 1-800-BUY -HIFI – 1-760-710-0992 2 Channel, BridgaBle Power amPlifiers SySTEm dESIGN BASICS As shown in Figure 1, a distributed audio/video system is dened by the number of listening zones it has. Within a listening zone you can listen to only one source (e.g. CD, Radio, iPod, etc.) at any one time. A listening z[...]

  • Page 8

    8 WWW .NILESAUDIO.COM SySTEm dESIGN BASICS CONTINUEd... A MultiZone system as shown in Figure 2, of fers the house hold more exibility . For instance, a family might have their family room wir ed for surround sound and their living room wir ed for background music. In a two zone system, the children can watch TV in surr ound sound while Mom and [...]

  • Page 9

    9 NILES AUDIO CORPORA TION – 1-800-BUY -HIFI – 1-760-710-0992 2 Channel, BridgaBle Power amPlifiers SySTEm dESIGN CONSIdERA TIONS SpEAkER COmp A TIBILITy A single channel (not bridged) of the SI-1230 is capable of driving a 4 ohm impedance speaker load. No more than two 8 ohm speakers or no mor e than one 4-6 ohm speaker can be safely connected[...]

  • Page 10

    10 WWW .NILESAUDIO.COM SySTEm dESIGN CONSIdERA TIONS CONTINUEd... USING mONO FOR SmOOThER COvERAGE In lar ge or irregularly shaped r ooms, you may nd that the main listening area may be closer to one of the speakers. If the speakers in the room ar e connected to a stereo amplier you will only hear half the music. The SI-1230’ s BusMatrix™[...]

  • Page 11

    11 NILES AUDIO CORPORA TION – 1-800-BUY -HIFI – 1-760-710-0992 2 Channel, BridgaBle Power amPlifiers AppLICA TIONS Adv ANT AGES OF USING ThE SI-1230 IN A SINGLE ZONE SySTEm When you connect the preamplier outputs of your ster eo receiver or ster eo preamplier to the SI-1230 BusMatrix™ you dedicate a r obust 30 watts to each speaker in y[...]

  • Page 12

    12 WWW .NILESAUDIO.COM AppLICA TIONS USING A dUAL-ZONE RECEIvER FOR TwO LISTENING ZONES Most of today’ s Dolby Digital Audio Video Receivers include a second zone preamplier output to cr eate a second listening zone. Using this output with the SI-1230 BusMatrix™ input provides amplication for multiple r ooms within a second listening zone[...]

  • Page 13

    13 NILES AUDIO CORPORA TION – 1-800-BUY -HIFI – 1-760-710-0992 2 Channel, BridgaBle Power amPlifiers AppLICA TIONS Exp ANdING A mUL TIZONE SySTEm TO INCLUdE mORE ROOmS In the ultimate MultiZone system, you connect six stereo pr eampliers (or a single component multi-zone/multi-source pr eamplier) to the dedicated inputs of SI-1230. These [...]

  • Page 14

    14 WWW .NILESAUDIO.COM AppLICA TIONS AddING pREAmpS TO CREA TE mORE LISTENING ZONES In the ultimate MultiZone system, you connect six stereo pr eampliers (or a single component multi-zone/multi-source pr eamplier) to the dedicated inputs of SI- 1230. These dedicated input signals are then r outed to the appropriate amplier channels via dip[...]

  • Page 15

    15 NILES AUDIO CORPORA TION – 1-800-BUY -HIFI – 1-760-710-0992 2 Channel, BridgaBle Power amPlifiers CONFIGURING yOUR SySTEm Because the SI-1230 offers so many conguration possibilities it is important to plan carefully befor e you install it. Draw a block diagram of your system and use the Conguration W orksheet on page 27 to r ecord how[...]

  • Page 16

    16 WWW .NILESAUDIO.COM TURN ON MODE AUDIO SENSE CONST ANT 3-30V AC/DC TRIGGER INPUT INST ALLA TION CONSIdERA TIONS Automating the turn-on of your SI-1230 is one of the easiest steps when installing it in a distributed system. However , do not plug the main power cord into the switched AC outlet of your preamplier or r eceiver . The high power de[...]

  • Page 17

    17 NILES AUDIO CORPORA TION – 1-800-BUY -HIFI – 1-760-710-0992 2 Channel, BridgaBle Power amPlifiers INST ALLA TION CONSIdERA TIONS pLACEmENT Place the SI-1230 on a at, level surface like a table or shelf. It should be placed upright so that its weight rests on the unit’ s four feet. PLACING THE WEIGHT OF THE AMPLIFIER ON THE REAR OR FRONT[...]

  • Page 18

    18 WWW .NILESAUDIO.COM FRONT ANd REAR p ANEL dET AILS SI- 1 230 Systems Integration Amplif ier ® 100-120 / 220-240 V~ 50 / 60 Hz, 50 0W TURN ON MODE AUDIO SENSE L MAIN BUS INPUT R CONST ANT 3-30V AC/DC TRIGGER INPUT L CASCADE BUS OUTPUT R 12V CONTROL OUT SI-1 230 SERIES 2 Systems Integration Amplif ier ® 1 LEVEL BRIDGED - BRIDGED + 1 2 LEVEL BUS [...]

  • Page 19

    19 NILES AUDIO CORPORA TION – 1-800-BUY -HIFI – 1-760-710-0992 2 Channel, BridgaBle Power amPlifiers SI- 1 230 Systems Integration Amplif ier ® FRONT ANd REAR p ANEL dET AILS 100-120 / 220-240 V~ 50 / 60 Hz, 50 0W TURN ON MODE AUDIO SENSE L MAIN BUS INPUT R CONST ANT 3-30V AC/DC TRIGGER INPUT L CASCADE BUS OUTPUT R 12V CONTROL OUT SI-1 230 SER[...]

  • Page 20

    20 WWW .NILESAUDIO.COM INST ALLA TION LINE LEvEL AUdIO INpUT CAUTION! The amplier must be off whenever you make changes to the input connections. CASCAdE AUdIO OUTpUTS The “Cascade Audio Outputs” enable you to connect another amplier to your preamplier output. The connectors ar e gold-plated RCA phono jacks. Connect them to another amp[...]

  • Page 21

    21 NILES AUDIO CORPORA TION – 1-800-BUY -HIFI – 1-760-710-0992 2 Channel, BridgaBle Power amPlifiers INST ALLA TION SpEAkER wIRE CONNECTIONS CAUTION! All speaker wire connections must be made with the amplier of f. Bare Wir e Unscrew the r ed or black plastic knob, insert the bare wir e end into the opening, and then tighten the knob until t[...]

  • Page 22

    22 WWW .NILESAUDIO.COM INST ALLA TION BUSmA TRIx ™ INpUT SwITCh SETTING Each channel has a dedicated BusMatrix™ DIP switch that assigns that channel’ s source. T o assign a signal from the Main Bus Input, select one of the rst three switches which will give you either Left (L), Right (R) or Mono (L+R). T o assign the channel’ s dedicated[...]

  • Page 23

    23 NILES AUDIO CORPORA TION – 1-800-BUY -HIFI – 1-760-710-0992 2 Channel, BridgaBle Power amPlifiers INST ALLA TION BRIdGING TwO ChANNELS INTO ONE The SI-1230’ s bridging switches allow you to create a more powerful amplier channel by combining or “bridging” two adjacent channels. STEP DESCRIPTION 1. Choose which of the six pairs you w[...]

  • Page 24

    24 WWW .NILESAUDIO.COM INST ALLA TION SETTING ThE TURN-ON mOdE SwITCh The SI-1230 has three turn-on modes. Select the mode you want by sliding the mode switch. See Installation Considerations on page 14 for more information about each of the turn-on modes. ThE CONTROL OUTpUT This terminal provides a 12V DC signal suitable for triggering Niles autom[...]

  • Page 25

    25 NILES AUDIO CORPORA TION – 1-800-BUY -HIFI – 1-760-710-0992 2 Channel, BridgaBle Power amPlifiers OpERA TION pOwER SwITCh The front panel switch is a master or “vacation” power switch. No matter which turn-on mode you have selected, the master power switch will tur n off all circuitry including the sensing cir cuitry . If you will not be[...]

  • Page 26

    26 WWW .NILESAUDIO.COM OpERA TION LISTENING A T hIGhER vOLUmES Thirty watts is enough power to play a conventional speaker in a normal sized room loudly enough to completely dr own out conversation. Even at levels like that, the SI-1230 will sound clear and clean. However , it requir es more power to achieve a reasonable volume of sound in a lar ge[...]

  • Page 27

    27 NILES AUDIO CORPORA TION – 1-800-BUY -HIFI – 1-760-710-0992 2 Channel, BridgaBle Power amPlifiers TROUBLE-ShOOTING GUIdE When there is a pr oblem consult this guide rst. If the problem persists, or you have additional questions, call your local Niles dealer or call Niles T echnical Support at 1-800-289-4434. The most common problems r ela[...]

  • Page 28

    28 WWW .NILESAUDIO.COM TROUBLE-ShOOTING GUIdE Symptom P ossible Causes and T est Procedure Sound is distorted on one or all of the channels at normal volumes BusMatrix™ DIP switches are not in the correct positions. Check your configuration worksheet and verify all settings. Normal volume cannot be reached One of the internal amplifier fuses is b[...]

  • Page 29

    29 NILES AUDIO CORPORA TION – 1-800-BUY -HIFI – 1-760-710-0992 2 Channel, BridgaBle Power amPlifiers Detail SI-1230 Series 2 Design Principle Digital, high current bridgeable multi-channel amplifier Continuous Average P ower Output 30 watts RMS per channel into 8 Ohms , 40 watts RMS per channel into 4 Ohms (all channels driven) Continuous Avera[...]

  • Page 30

    30 WWW .NILESAUDIO.COM CONFIGURA TION wORkShEET For ease of use, the Conguration W orksheet can be enlar ged on a photocopier . BUS INS & OUTS CONNECTED T O CH# BRIDGED DIP INPUT SOURCE SPEAKER MODE SETTINGS IN USE SPECIAL Left Main Bus Right Main Bus Cascade Output Constant Audio Sense V oltage T rigger Control Output 1 2 3 4 5 6 7 8 9 10 1[...]

  • Page 31

    31 NILES AUDIO CORPORA TION – 1-800-BUY -HIFI – 1-760-710-0992 2 Channel, BridgaBle Power amPlifiers LImITEd w ARRANTy Niles Audio Corporation (“NILES”) warrants to the original retail purchaser only that this pr oduct will be free of manufacturing defects in material and workmanship for the following periods and subject to the limitations [...]

  • Page 32

    © 201 2 Core Brands, LLC. All rights reserved. Niles and the Niles logos are registered trademarks of Core Brands, LLC. All other trademarks are the property of their respective owners. W e reser ve the right to change specifications, descriptions and prices without notice. The technical and other information contained herein is not intended to se[...]