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Pioneer SI-245 manual

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Table of contents for the manual

  • Page 1

    INST ALLA TION & OPERA TION GUIDE B LENDING H IGH F IDELITY AND A RCHITECTURE ® Niles Audio Corporation www .nilesaudio.com 1 233 1 S. W . 1 30 Street Miami, Florida 3 3 1 86 T el: (305) 238-43 73 Fax: (305) 238-0 1 85 © 2005 Niles Audio Corporation. All r ights reserved. Niles, the Niles logos, S ystems Integration Amplifier and Blending Hig[...]

  • Page 2

    CONGRA TULA TIONS! Thank you for purchasing the Niles SI-245, one of the most flexible and conve- nient amplifiers ever offered. Like all Niles products, the SI-245 is built to the highest standards of quality control and reliability. With proper installation and operation, you'll enjoy years of trouble-free use. Niles manufactures the industr[...]

  • Page 3

    17 TROUBLESHOO TING GUIDE (continued) SYMPTOM Hum from the speak ers Amp will not tur n on Bass sound is weak and the ster eo image is "phasey" or "blur ry" sounding in one room POSSIBLE CA USES AND TEST PROCEDURE Check for faulty cables, faulty source material, an ungrounded phono system or a defective component. AC power cord [...]

  • Page 4

    FEA TURES AND BENEFITS Real W orld Power The SI-245 delivers 45 watts per channel at 8 Ohms and 70 watts per channel at 4 Ohms. You’ll get tremendous bass and dynamics from every pair of speakers powered by an SI-245. T ransparent Sound The audio circuitry of the SI-245 is constructed using the finest parts available; including 1% metal film resi[...]

  • Page 5

    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 turn off all cir- cuitry —including the sensing circuitry. If you will not be using the amplifier for an extended period of time, turn the master power switch "Off"[...]

  • Page 6

    INST ALLA TION CONSIDERA TIONS Placement Place the SI-245 on a flat level surface like a table or shelf. It should be placed upright so that its weight rests on the four attached feet. Placing the weight of the amplifier on the rear or front panel for even an instant may result in damage to the amplifier's connectors and controls. The SI-245, [...]

  • Page 7

    Line Level Audio Input CA UTION! THE AMPLIFIER MUST BE OFF WHENEVER Y OU MAKE CHANGES T O THE INPUT CONNECTIONS. Cascade Audio Outputs The " Cascade Audio Outputs " enable you to connect another amplifier to your preamplifier output. The connectors are gold-plated RCA phono jacks. Connect them to another amplifier’s inputs with a standa[...]

  • Page 8

    Multiple Speaker Loads The SI-245 is stable into very low impedance loads. This means you can safely operate three pairs of 8 ohm speakers (a 2.67 ohm load) directly connected to the SI-245. Note that the SI-245 does not have on/off speaker switching built in. When the amplifier is on, so are all of the speakers. Niles makes a number of different s[...]

  • Page 9

    INST ALLA TION CONSIDERA TIONS 8 Cable and Wir e It will be easier to reconfigure or troubleshoot your system in the future if you label the cables and wires for their destination or source, rather than which ter- minal of the SI-245 they are connected to. The SI-245 connects to your preamp source via shielded line level audio cables with RCA phono[...]

  • Page 10

    Binding posts for speaker connections. IEC receptacle for AC power cord. FRONT AND REAR P ANEL DET AILS 10 Red “Power” LED confirms the amplifier is connected to a live AC power outlet. (and that the master power switch is on). Green “Active” LED lights when the amplifier circuitry has been turned on by the Turn-On circuits. Front panel “[...]

  • Page 11

    Binding posts for speaker connections. IEC receptacle for AC power cord. FRONT AND REAR P ANEL DET AILS 10 Red “Power” LED confirms the amplifier is connected to a live AC power outlet. (and that the master power switch is on). Green “Active” LED lights when the amplifier circuitry has been turned on by the Turn-On circuits. Front panel “[...]

  • Page 12

    INST ALLA TION CONSIDERA TIONS 8 Cable and Wir e It will be easier to reconfigure or troubleshoot your system in the future if you label the cables and wires for their destination or source, rather than which ter- minal of the SI-245 they are connected to. The SI-245 connects to your preamp source via shielded line level audio cables with RCA phono[...]

  • Page 13

    Multiple Speaker Loads The SI-245 is stable into very low impedance loads. This means you can safely operate three pairs of 8 ohm speakers (a 2.67 ohm load) directly connected to the SI-245. Note that the SI-245 does not have on/off speaker switching built in. When the amplifier is on, so are all of the speakers. Niles makes a number of different s[...]

  • Page 14

    Line Level Audio Input CA UTION! THE AMPLIFIER MUST BE OFF WHENEVER Y OU MAKE CHANGES T O THE INPUT CONNECTIONS. Cascade Audio Outputs The " Cascade Audio Outputs " enable you to connect another amplifier to your preamplifier output. The connectors are gold-plated RCA phono jacks. Connect them to another amplifier’s inputs with a standa[...]

  • Page 15

    INST ALLA TION CONSIDERA TIONS Placement Place the SI-245 on a flat level surface like a table or shelf. It should be placed upright so that its weight rests on the four attached feet. Placing the weight of the amplifier on the rear or front panel for even an instant may result in damage to the amplifier's connectors and controls. The SI-245, [...]

  • Page 16

    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 turn off all cir- cuitry —including the sensing circuitry. If you will not be using the amplifier for an extended period of time, turn the master power switch "Off"[...]

  • Page 17

    FEA TURES AND BENEFITS Real W orld Power The SI-245 delivers 45 watts per channel at 8 Ohms and 70 watts per channel at 4 Ohms. You’ll get tremendous bass and dynamics from every pair of speakers powered by an SI-245. T ransparent Sound The audio circuitry of the SI-245 is constructed using the finest parts available; including 1% metal film resi[...]

  • Page 18

    17 TROUBLESHOO TING GUIDE (continued) SYMPTOM Hum from the speak ers Amp will not tur n on Bass sound is weak and the ster eo image is "phasey" or "blur ry" sounding in one room POSSIBLE CA USES AND TEST PROCEDURE Check for faulty cables, faulty source material, an ungrounded phono system or a defective component. AC power cord [...]

  • Page 19

    CONGRA TULA TIONS! Thank you for purchasing the Niles SI-245, one of the most flexible and conve- nient amplifiers ever offered. Like all Niles products, the SI-245 is built to the highest standards of quality control and reliability. With proper installation and operation, you'll enjoy years of trouble-free use. Niles manufactures the industr[...]

  • Page 20

    INST ALLA TION & OPERA TION GUIDE B LENDING H IGH F IDELITY AND A RCHITECTURE ® Niles Audio Corporation www .nilesaudio.com 1 233 1 S. W . 1 30 Street Miami, Florida 3 3 1 86 T el: (305) 238-43 73 Fax: (305) 238-0 1 85 © 2005 Niles Audio Corporation. All r ights reserved. Niles, the Niles logos, S ystems Integration Amplifier and Blending Hig[...]