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Sunfire True Subwoofer Architectural manual

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Table of contents for the manual

  • Page 1

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  • Page 2

    User's Manual 2 Safety Instructions 1. Read Instructions -– All the safety and operation instructions should be read before the Sunfire Component is operated. 2. Retain Instructions — The safety and operating instructions should be kept for future reference. 3. Heed Warnings — All warnings on the Component and in these operating instruct[...]

  • Page 3

    User's Manual 3 15. To prevent electric shock , do not use this polarized plug with an extension cord, receptacle or other outlet unless the blades can be fully inserted to prevent blade exposure. Pour préevenir les chocs électriques ne pas utiliser cette fiche polariseé avec un prolongateur, un prise de courant ou une autre sortie de coura[...]

  • Page 4

    User's Manual 4 Your Sunfire Subwoofer should reach you in perfect condition. If you do notice any shipping damage, please contact your Sunfire Dealer immediately. Gently lift out the unit and remove all the packing material. It is important to save all the packing materials and the box in case your subwoofer ever needs to be moved or shipped [...]

  • Page 5

    User's Manual 5 Your Sunfire Subwoofer is designed to give you the best possible low-frequency sound quality for your home theater experience. It incorporates a tremen- dously powerful built-in amplifier to produce tight, floor-rumbling bass down to 18 Hz, that you can feel as well as hear. The subwoofer has an adjustable high cut filter and s[...]

  • Page 6

    User's Manual 6 1 2 3 4 5 6 7 8 9 10 FU S E Control Panel Features 1. Power/Auto on Indicator This light is bright when the subwoofer is on, and dim when the subwoofer is in its standby mode. This is controlled by the AUTO ON/OFF circuit. The presence of an audio signal turns the unit on. After approximately fifteen minutes of signal absence, [...]

  • Page 7

    User's Manual 7 system or neighbors are disturbed by ultra low bass. 6. High Level Inputs Under normal conditions, the preferred connection is through the Line Level inputs. If this is difficult or not possible in your system, then you can use the High Level inputs. Also, if you experience excessive noise or hum with the Line Level inputs, oft[...]

  • Page 8

    User's Manual 8 Installation Observe the following general precautions and read the safety instructions on pages 2 and 3 before using your Sunfire Subwoofer. • Never open the cabinet or remove the metal control panel as this might result in an electrical shock to you or damage to the unit. • Protect it from prolonged exposure to direct sun[...]

  • Page 9

    User's Manual 9 Please consider the following when setting up your new system : • Before making or changing any connections, ALWAYS make sure that the subwoofer is unplugged from the wall and your other components are turned OFF. Also turn down the volume control of the subwoofer and your preamplifier or receiver. • This diagram shows all [...]

  • Page 10

    User's Manual 10 Location Placing your Sunfire Subwoofer in a corner of your room will produce optimum performance. Experiment with at least two corners and then decide which is the best. Although low frequencies are non- directional, factors such as room reflections, standing waves, resonance and absorption strongly affect your subwoofer ’ [...]

  • Page 11

    User's Manual 11 PREAMPLIFIER MAIN OUTPUTS R SUB/LFE OUT R L L AMPLIFIER INPUTS TO FR ONT SPEAKERS System Configurations The following pages show some typical connections that you might make in your installation. They show how the inputs and outputs of the Sunfire Subwoofer are connected to your preamplifier or receiver. If your preamplifier h[...]

  • Page 12

    User's Manual 12 PREAMPLIFIER MAIN OUTPUTS R R L L AMPLIFIER INPUTS TO FR ONT SPEAKERS PREAMPLIFIER R L AMPLIFIER Y CABLES INPUTS If your preamplifier does not have a sub/LFE output, you can use “ Y ” cables to send its main outputs to both the subwoofer and your amplifier. The subwoofer will play the low frequency range and your front spe[...]

  • Page 13

    User's Manual 13 If you are using a receiver or preamplifier which does not have a sub/LFE output, you can send its left and right front output into the subwoofer ’ s Line Level inputs and then connect the subwoofer ’ s High-Pass outputs to the inputs of your amplifier. The subwoofer will play the low frequencies and your amplifier and fro[...]

  • Page 14

    User's Manual 14 If you are using a receiver which does not have a subwoofer output or line level outputs (pre- outs), you can connect its speaker outputs to the subwoofer ’ s Speaker-Level inputs. The front speakers can still be connected to your receiver. The subwoofer ’ s internal amplifier supplies the power to reproduce the low freque[...]

  • Page 15

    User's Manual 15 There are two main methods for adjusting the level, crossover frequency and phase of the Sunfire Subwoofer to match a system: • Bob Carver ’ s preferred method: By listening and making the adjustments to suit your taste. • Laboratory method: By measuring the output and adjusting for a flat frequency response. Excellent r[...]

  • Page 16

    User's Manual 16 Specifications Amplifier Output 1,250 W rms (3.3 Ω impedance) High Cut Filter 35 Hz - 100 Hz adjustable. Frequency Response 18 Hz - 100 Hz. Low pass is -6 dB @ 80 Hz Power Line V oltage AC 120 V, 50/60 Hz Dimensions 11" x 11" x 11" Weight 40 lbs Finish Black anodize and black lacquer. removable fabric grill. L[...]

  • Page 17

    User's Manual 17 T roubleshooting The Sunfire Subwoofer is expertly designed and built to provide years of trouble-free performance. Most problems that occur can usually be solved by checking your setup or making sure that the components connected to the amplifier are on and fully operational. The following information will help you deal with [...]

  • Page 18

    User's Manual 18 Hum Adding any component such as a subwoofer to an existing system will often give rise to a hum which wasn ’ t there before. Your first thought may be that the subwoofer has a problem, but this is more than likely caused by a “ ground-loop ” in your system. Follow these steps to isolate the main cause of the ground-loop[...]

  • Page 19

    User's Manual 19 Limited W arranty Sunfire Corporation is proud of its products which have been built with care using advanced technology and premium component parts. Your unit has been crafted to perform properly for many years. Sunfire Corporation offers the following Warranty to you, the owner of a new Sunfire product: The Sunfire Corporati[...]

  • Page 20

    Manual part number 913-008-00 RevC[...]