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9. Power Cord Protection — Power-supply Safety Instructions cords should be routed so that they are not likely to be walked upon or pinched by 1. Read Instructions -– All the safety and items placed upon or against them, operation instructions should be read paying particular attention to cords at before the Sunfire Component is plugs, convenience receptacles, and the operated. point where they exit the Component. 2. Retain Instructions — The safety and 10. Cleaning — The Component should be ope
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15. To prevent electric shock, do not use This apparatus does not exceed the Class this polarized plug with an extension cord, A/Class B (whichever is applicable) limits receptacle or other outlet unless the for radio noise emissions from digital blades can be fully inserted to prevent apparatus as set out in the radio blade exposure. interference regulations of the Canadian Pour préevenir les chocs électriques ne Department of Communications. pas utiliser cette fiche polariseé avec un ATTENTION
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Introduction Features Dear Friend: High power, high efficiency amplifier Very low distortion Thank you for purchasing my Sunfire Long throw, premium quality drivers True Subwoofer Super Junior. I hope you enjoy it and the music it makes as much Extremely compact size as I have enjoyed creating it for you. Automatic signal-sensing turn-on and standby mode The big breakthrough features of the subwoofer are its uncanny tracking Line level unbalanced inputs downconverter and its long thr
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The Amplifier Overview Your Sunfire Subwoofer is designed to The large movement range of the give you the best possible low-frequency drivers creates greater air pressure sound quality for your home theater inside the box than a conventional experience. It incorporates a tremen- woofer. Therefore, the drive amplifier dously powerful built-in amplifier and a must be much more powerful than an pair of drivers to produce tight, floor- ordinary woofer amplifier. In fact, it has rumbling bass down to
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Control Panel Features 1 2 3 4 5 6 7 8 9 1. Bass Level 3. Phase Control This control lets you match the output This control changes the relative phase level of the subwoofer to the level of of the subwoofer with respect to your your satellite/main speakers. The other speakers. Use this control to help subwoofer output will increase as this blend the subwoofer with the rest of control is rotated clockwise. When you your system. This is accomplished by have just installed your system, turn adjusti
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To use the high-pass outputs, connect Your amplifier or receiver MUST the preamp outs on your preamp/ have common grounded outputs, receiver to the subwoofer’s line level or it will be damaged if connected inputs using good quality RCA type to the subwoofer’s Speaker Level patch cords. Then connect a second inputs. patch cord from the subwoofer’s outputs to the inputs of your main 7. Line Fuse amplifier. This will allow your main The subwoofer is supplied with a speakers to operate at frequencie
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Heat rise Installation Observe the following general Allow adequate ventilation around precautions and read the safety the metal control panel of the instructions on pages 2 and 3 before subwoofer. using your Sunfire Subwoofer. Do not let anything come into Never open the cabinet or remove contact with the panel and keep at the metal control panel as this least two inches away from any might result in an electrical shock walls. to you or damage to the unit. The metal control plate serves a
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Connections Please consider the following when Whenever possible, keep the setting up your new system : powercords away from the signal cables or speaker wires to prevent Before making or changing any any hum or interference being connections, ALWAYS make sure heard in the speakers. that the subwoofer is unplugged from the wall and your other Choose reliable, high quality components are turned OFF. Also interconnect cables, also called turn down the volume control of the patch cords or RCA
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Location Your Sunfire Subwoofer is designed to Using Two Subwoofers be placed in a corner and this will produce optimum performance. If you wish to use two woofers, the sound output will double (an increase of Experiment with at least two corners and then decide which is the best. 6 dB). Locate the woofers with one in each corner and experiment with the #1 is very good positioning. location and phase control to achieve the best bass response. #2 is also excellent but may shake the back wall too
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INPUTS AMPLIFIER PREAMPLIFIER L R MAIN OUTPUTS SUB/LFE OUT L R TO FRONT 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. Connections to a preamplifier’s subwoofer output If your preamplifier has a subwoofer output (often labeled LFE for Low Frequency Effects), it can be connected to the subwoofer’s Left (Mono) inpu
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INPUTS AMPLIFIER PREAMPLIFIER L R MAIN OUTPUTS SUB/LFE OUT L R TO FRONT SPEAKERS Connections to a preamplifier using Y cables 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 speakers will play the full range. Although bass is commonly distributed evenly between left and right channels (L+R bass), movie soundtracks often contain differential
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INPUTS AMPLIFIER PREAMPLIFIER L R MAIN OUTPUTS L R TO FRONT SPEAKERS Using the line level high-pass outputs If you are using a 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 front speakers will play the frequency range above the subwoofer’s fixed high- pass cro
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L R TO FRONT SPEAKERS RECEIVER MAIN OUTPUTS Using the speaker level inputs 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 frequency range. It receives a sample of the signal going to your front speakers. (An insignificant fraction of
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Adjusting the controls There are two main methods for Step 3. With both the subwoofer and adjusting the level, crossover frequency the main speaker connected, measure and phase of the Sunfire Subwoofer to the level of the tones at the available match a system: frequencies. Because the crossover is set too high, you will have a peaked Bob Carver’s preferred method: response. Adjust the crossover control to By listening and making the get the smoothest response. adjustments to suit your taste.
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Specifications Amplifier Output Input sensitivity for full output: 1,500 Watts rms (4.6 Ω impedance) 240mVrms from left input with volume control at 0dB, 90mVrms with volume High Cut Filter control fully clockwise * 35 Hz - 100 Hz adjustable. The 0.48Vrms from right input with volume crossover can be bypassed by rotating control at 0dB, 180mVrms with volume the crossover frequency control fully control fully clockwise * clockwise. Input impedance: Frequency Response 30KΩ for Line-Level inputs 22
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Troubleshooting The Sunfire Subwoofer is expertly remote control or with a small volume designed and built to provide years of knob on the back panel. Make sure that trouble-free performance. Most this is adjusted correctly. problems that occur can usually be If the preamplifier’s subwoofer/LFE solved by checking your setup or output has an adjustable crossover making sure that the components frequency, make sure that the connected to the amplifier are on and subwoofer’s own crossover point is
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hum is caused by the cable TV line, Hum then you will need a “ground-loop Adding any component such as a isolator.” This is an inexpensive device subwoofer to an existing system will fitted in line with the coaxial cable feed. often give rise to a hum which wasn’t If the hum persists, disconnect all the there before. Your first thought may be source components one at a time from that the subwoofer has a problem, but the back of the preamplifier until you this is more than likely caused by a id
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Limited Warranty Sunfire Corporation is proud of its damages which may result from the products which have been built with care failure of this product. using advanced technology and premium Some states do not allow limitations on component parts. Your unit has been how long an implied warranty lasts and/or crafted to perform properly for many do not allow the exclusion or limitation of years. Sunfire Corporation offers the incidental or consequential damages, so following Warranty to you, the o
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Manual part number 913-017-00 Rev B
