Sunfire EQ Signature, User Manual

Page 1: ...DIM STANDBY BRIGHT ON True Subwoofer User s Manual Signature and Standard Edition DIM STANDBY BRIGHT ON ...

Page 2: ...ces such as lighted candles on top of or near the Component 8 Power Sources The Component should be connected to a power supply only of the type described in these operation instruc tions or as marked on the Component 9 Power Cord Protection Power supply cords should be routed so that they are not likely to be walked upon or pinched by items placed upon or against them paying particular attention ...

Page 3: ...Þgurations 14 Adjusting the Controls 18 SpeciÞcations Signature Edition 19 SpeciÞcations Standard Edition 20 Troubleshooting Guide 21 Limited Warranty 23 Service Assistance 23 Contents To Þnd out more about this and other SunÞre products please visit our website www sunÞre com This apparatus does not exceed the Class A Class B whichever is applicable limits for radio noise emissions from digital a...

Page 4: ...l Continuously variable crossover fre quency adjustment 35 to 100 Hz Continuously variable volume level control Soft clipping circuit allows graceful overload and prevents speaker damage due to clipping Gold plated inputs and outputs Dear Friend Thank you for purchasing my SunÞre True Subwoofer EQ I hope you enjoy it and the music it makes as much as I have enjoyed creating it for you The big brea...

Page 5: ...n bass requirements and music requirements demand maxi mum output from the system Otherwise the power is shared between the two drivers in a way that depends on the mo mentary amplitude and the momentary musical spectrum It is normal for one or the other to move more or less than its mate during operation The AmpliÞer The large movement range of the driv ers creates greater air pressure inside the...

Page 6: ... about the same amount This increases the low bass output while leaving the mid bass output the same 3 Phase Control This control changes the relative phase of the subwoofer with respect to your other speakers Use this control to help blend the subwoofer with the rest of your system This is accomplished by adjusting the control in small incre ments as you listen for the most bass at your listening...

Page 7: ...heater preampliÞer or other source Balanced connections offer superior noise cancellation over unbal anced connections so if your preamp has an XLR subwoofer output we recommend using it 8 Speaker Level Inputs Under normal conditions the preferred connection is through the line level inputs If this is difÞcult or not possible in your system then you can use the speaker level inputs Also if you exp...

Page 8: ... Start button is pressed 12 Start button Press this once to enter the Auto EQ mode if the sub is out of Standby mode Press and hold down for several seconds to enter the Manual EQ mode See page 12 for more details on this and the following EQ controls 13 Microphone Input This is where you plug in the supplied linear measurement microphone when you want to use the Auto EQ mode 14 LED display These ...

Page 9: ... frequency rocking energy allowing it to adhere solidly to the ßoor To move the subwoofer along the ßoor rotate it onto one edge onto a plastic sheet or bag and it will slide along easier Heat rise Allow adequate ventilation around the metal control panel of the subwoofer Do not let anything come into contact with the panel and keep at least two inches away from any walls The metal control plate s...

Page 10: ...ielded and as short as possible for the job The longest cable in your system will likely be to the subwoofer so choose a good quality brand Some patch cords can be a very tight Þt and there is usually a preferred method of getting them off Some have to be removed with a twisting action Be gentle or you may damage the jacks of the sub woofer or your other components Speaker Level connections The su...

Page 11: ...ng and stand in all the positions where Location you might be able to place the subwoofer Try crouching down and try the corners Find the place where the subwoofer s bass output sounds the loudest 4 Shut things down and install the subwoofer in this position Make sure the control panel is not touch ing anything and that it can receive good ventilation Although low frequencies are non di rectional ...

Page 12: ...ouch for example pointing in the direction you ll normally be facing while listening to your system Only use the microphone supplied by SunÞre Room Equalization Procedure 4 Plug the microphone into the subwoof er s microphone jack 5 Set these controls Volume to 0 dB Crossover to Bypass Phase to Normal Equalizer Authority to Normal 6 Turn on the subwoofer AC power switch and press the Start button ...

Page 13: ...st for the room effects Then follow this manual procedure if you think the equalization might still need a tweak 1 Set these controls Volume to 0 dB Crossover to Bypass Phase to Normal Equalizer Authority to 50 2 Turn on the subwoofer AC power switch 3 Press and hold down the Start button for several seconds until the Þrst pair of yellow LEDs light up 4 A low frequency test tone will sound to help...

Page 14: ... with a sub LFE output can be connected in the same way The subwoofer will play the low frequency range and the other speakers will play the frequency range delivered to them by your ampliÞer If you have a Home Theater preampliÞer it may have an inde pendent subwoofer vol ume control Make sure this is correctly adjusted and that the SunÞre Subwoofer s crossover frequency is set to 100 Hz This is b...

Page 15: ...on If this is not preserved the bass in these scenes sounds anemic The SunÞre Subwoofer utilizes differential gain on the left and right inputs to retain both the L R and L R information Therefore systems which do not have a dedicated sub LFE output should use both the left and the right inputs as shown for the greatest bass impact An alternative connection method without using Y cables is shown o...

Page 16: ...ed high pass crossover point The signals coming out of the subwoof er s high pass outputs are not affected by any of the controls They are just a copy of the signals going in except that the low bass is Þltered out This uses the subwoofer s passive crossover network rather than the active network and controls This is an excellent method if your speakers are small satellites or mini monitors and or...

Page 17: ...ur receiver s power is transferred to the subwoofer There is no need to use the speaker level inputs if you are using a separate ampliÞer and pre ampliÞer Such systems are best connected using the line level inputs as shown in the previous diagrams If you are using the line level inputs and there is a excessive amount of noise or hum present using the speaker level inputs may yield a lower backgro...

Page 18: ... will do Þne as will the Stereophile test CD Step 1 Disconnect the subwoofer and run the main speaker with a tone in its passband 80 100Hz Measure the level Step 2 Disconnect the main speaker and reconnect the subwoofer Set the subwoofer to its highest crossover frequency Set the level control of the subwoofer to give the same sound pres sure level with the same tone you used in Step 1 Step 3 With...

Page 19: ...ft input with volume control at 0 dB 60 mVrms volume con trol fully clockwise 0 75 Vrms from right input with volume control at 0 dB 200 mVrms volume control fully clockwise Input Impedance 30 kΩ for Line Level inputs 56 kΩ for Hi Level inputs 40 kΩ for XLR input each leg balanced to ground XLR Input Pin 1 Ground Pin 2 Positive Pin 3 Negative Driver 12 inch Extra large magnet and long throw mechan...

Page 20: ... mVrms volume control fully clockwise Input Impedance 30 kΩ for Line Level inputs 56 kΩ for Hi Level inputs 40 kΩ for XLR input each leg balanced to ground XLR Input Pin 1 Ground Pin 2 Positive Pin 3 Negative Driver 10 inch Extra large magnet and long throw mechanical design yield very high back emf The result is extraordinarily high operating efÞciency that is more acoustic output for each watt o...

Page 21: ...ther using a remote control or with a small volume knob on the back panel Make sure that this is adjusted correctly Check that your preampliÞer or receiver s sub output is turned on Some systems only have a sub output signal when the front speakers are set to small If the preampliÞer s subwoofer LFE output has an adjustable crossover frequency make sure that the SunÞre subwoofer s own crossover po...

Page 22: ...V satellite TV or roof top antennas Make sure that they are disconnected where they Þrst enter the room so they are making no connection to your preampli Þer TV or any other component If the hum is caused by the cable TV line then you will need a ground loop isolator This is an inexpensive device Þtted in line with the coaxial cable feed If the hum persists disconnect all the source components one...

Page 23: ... in any event include property or any other incidental or consequential dam ages which may result from the failure of this product Some states do not allow limitations on how long an implied warranty lasts and or do not allow the exclusion or limitation of incidental or consequential damages so the above limitations or exclusions may not apply to you This Warranty gives you speciÞc legal rights an...

Page 24: ...Manual part number 913 103 00 Rev B ...