Supernova MKVI-MKVII Manual
Contents
1. 10 1 2 266mm 11 5 8 296mm 3 16 4 5mm 1 8 6 5mm mc o i IQ600 1Q1500 1 x 700 Watts 2 Ohm Mono 1 x 1500 Watts 2 Ohm Mono Power Output 1 x 700 Watts 4 Ohm Mono 1 distortion 1 x 1100 Watts 4 Ohm Mono 1 x 350 watts 8 Ohm Mono 1 x 700 Watts 8 Ohm Mono 20Hz 2kHz Freq Response 20Hz 2kHz 50 Volts microsecond Slew Rate 55 Volts microsecond 350 W Power Req 1250 W 110 120VAC 60Hz fuse T6 3AL 250 V Fuse Ratinas 110 120VAC 60Hz fuse T15AL 250 V 220 240VAC S0Hz fuse T3 15AL 250 V g 220 240VAC 50Hz fuse T8AL 250 V Total Harmonic Distortion lt 0 08 1W 40hm Signal to Noise Ratio gt 106dB balanced 105dB unbalanced rated power Load Impedance 2 Ohms or greater Damping Factor gt 500 Input Connections XLR RCA High level Output Connections Binding posts Locking mechanism Short circuit open circuit RF burnout over temp turn on off transient protection DC protection limiter circuitry Power output limiter Protection Circuitry Specifications are subject to change without notice Supernova MKVI amp MKVII Manual 17 5 Year Warranty Information and workmanship under normal and pro2. 1 SUBSONIC FILTER Set at 25Hz with a 12dB slope the subsonic filter is designed to protect the sub from very low frequencies that might be harmful When ON it prevents frequencies 25Hz and below from going into the amplifier 2 CROSSOVER SWITCH When ON the low pass crossover with 24dB octave slope is activated to help precisely control the frequencies going into the amplifier i e Subwoofer The crossover point can be set between 40Hz and 200Hz but we recommend setting them between 60Hz 80Hz 1 o clock position You can also deactivate the low pass crossover by setting the switch to BY PASS LED POWER SIGNALINDICATOR This LED indicator reflect the main power status of the amplifier as well as the state of the amplifier whether the AUTO Sensing is on off and whether signal is being fed to the amplifier Note that this LED will only light up when the main power switch is in the ON position ignal Sensing Is there signal LED Color FF Ane No Red ore s __Red_ No Red AUTO SIGNAL SENSING This is a 3 way switch When ON the amplifier will remain on regardless of signal presence When set to AUTO the amplifier will only turn on when audio signal is detected Additionally the amplifier will go to sleep stand by if it does not detect any signal after 20 minutes When set to OFF the amp will remain off r
3. Date of Purchase Authorized Dealer Installer Info Name Address Phone Serial Number Specifications are subject to change without notice Supernova MKVI amp MKVII Manual 19 PAM ANVAAD CH o Tae law ia D The Sound That Will Move You Earthquake Sound reserves the right to amend details of the specifications without notice Copyright Earthquake Sound Corporation Earthquake Sound Corporation 2727 McCone Avenue Hayward CA 94545 USA Phone 510 732 1000 Fax 510 732 1095
4. obsolete outlet 10 Protect the power cord from being walked on or 11 12 13 14 pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus Only use attachments and accessories specified by the manufacturer Use only a compatible rack or cart for the final resting position Unplug this apparatus during lightning storm or when unused for a long period of time Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in a way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 15 To reduce the risk of fire or electric shock do not expose this apparatus to rain or moisture Unpacking System Components Keep the original carton and packing materials for future shipment or storage Check for any visual signs of damage If you encounter any concealed damage consult your Earthquake Sound dealer before proceeding with unit installation Retain the sales receipt as it establishes the duration fo the limited warranty and provides information for insurance purposes Earthquake Sound Corp 800 576 7944 www earthquakesound com system Installation Considerations There are several factors to consider before installing Earthquake Sound s Superno
5. phone number and a brief description of the problem you are experiencing with the product In most cases our technicians might be able to resolve the problem over the phone thus eliminating the need to ship the product F Shipping Instructions Product s must be packaged in its original protective box es to minimize transport damage and prevent repackaging cost at the ongoing rates Shipper claims regarding items damaged in transit must be presented to carrier Earthquake Sound Corporation reserves the right to refuse improperly packed product Original bill of sale must accompany product returned to service We encourage you to include with the package a written description of the problem Ship product to Earthquake Sound Corp 2727 McCone Avenue Hayward CA 94545 Tel 510 732 1000 You are responsible for the cost of shipping the product to Earthquake Sound Corporation G Disputes Resolution Alldisputes between clients and Earthquake Sound Corporation resulting from the five 5 year limited warranty policy must be resolved according to the laws amp registration of the county of Alameda California PRODUCT REGISTRATION This Earthquake product can be registered by returning the Product Registration card attached to this manual Please also retain sales receipt which represents proof of purchase 18 Supernova MKVI amp MKVII Manual Earthquake Sound Corp 800 576 7944 www earthquakesound com Notes For Your Records
6. them from projecting the three dimensional images in the sub harmonics Using two 2 subwoofers allows you to cross the subs up to 150Hz sound quality imaging and staging In some applications you might have small front speakers or planar speakers The two front subwoofer system is an excellent solution to planar speakers low frequency response early roll off from 150Hz on down When placing these subwoofers in a close proximity to the stereo satellite the subs will enhance low frequency extension It will be better to have a stereo subwoofer to help in the lower bass notes and their placement Suppose you have only one 1 subwoofer in the room and it is placed on the right side of the room If a bass guitar player was standing on the left side of the stage and played an EE note 42Hz then the sub will also respond to that from the right side of the room and completely destroy the stage Specifications are subject to change without notice CLIPPING LED INDICATORS These yellow LEDs only light up when the input is clipped Simply rotate the corresponding gain control knob three 3 clicks counter clockwise to unclip the input and create a 3dB headroom play INPUT SELECTIONS There are two sets of inputs each accepts three 3 input types RCA XLR and SPK speaker level INPUT 1 is a dedicated stereo signal input For example if the system has 2 subwoofers feed the left channel to the INPUT 1 of the left subwoofer an
7. A A antes l 18 FOr YOUR RECON S ecni a a E a 19 WARNING This product is capable of generating high sound pressure levels You should exercise caution when operating these speakers Long term exposures to high levels of The Sound That Will Move You sound pressure will cause permanent Earthquake Sound Corporation damage to your hearing Sound pressure 2727 McCone Avenue PANIAGUA levels exceeding 85dB can be dangerous with constant exposure set your audio Hayward CA 94545 system to a comfortable loudness level United States of America Earthquake Sound Corporation does not Tel 510 732 1000 assume liability for damages resulting from the direct use of Earthquake Sound audio product s and urges users to play volume at moderate levels Fax 510 732 1095 2013 Earthquake Sound Corporation All rights reserved This document should not be construed as a commitment on the part of Earthquake Sound Corporation The information is subject to change without notice Earthquake Sound Corporation assumes no responsibility for errors that may appear within this document 2 Supernova MKVI amp MKVII Manual Earthquake Sound Corp 800 576 7944 www earthquakesound com About Earthquake Sound Corporation For over 28 years Earthquake Sound has been producing a variety of high quality audio products that have impressed audiophile communities around the world It all started in 1984 when Joseph Sahyoun a music freak and Aeros
8. CAN AGUAAL CE Tae ie ay B The Sound That Will Move You Supernova MKVI amp MKVII Subwoofers with IQ Digital Feedback Class J Amplifiers gt gt fF INNOVATIONS 2000 Earthquake Sound Corp 510 732 1000 U S Toll Free 800 576 7944 www earthquakesound com Table of Contents About Earthquake SOund cccccccccecessseecseecceeecceeeeeseeeeaeeeeaeeesaes 3 Safety INStrUctiONS cccccccccceececeeeeeeeeeceeeeseeeeseaeeceeeseeesseeeeseeesseeeees GONG TID Sessea AE E EEEE A 5 pige ali ie p PEPA AE E E ETE T 6 What Makes a SUPCrNOVA cccccseecceeeeceneeeceeeececeseeeessegeeseneeseneesees 6 TAA SUG e a E E E E N E EEEE O 7 Independent Test REport ccccccsscccseecececeeeceeeeceeeceueceueeceeeseessaeenas 7 IQ Supernova AMD IME aasccnasavesdisennvnosivaraetadaiteonvenuationnvatdoomaimmneunente 8 9 Placing Your SUDWOOTCI 8 irceiadsnccesdeesiceceusqces ned castaiedecanbdedd sande danveentesdades 9 10 Connecting Your SUDWOOPEr S cccccsccccssseecesseeeceseeeceneeesseeeesseeeeees 11 Gain Setting Your SUDWOOTEI S s nisiccnin cedecdesenetesazea maasprierewsanszoradeedesacen 12 Room Correcting Your SUbWoofer S cccsseeeceeseecceeeesseeeeessaeeessees 12 13 Specifications MEVI SENOS ena e EEE i 14 MRVI SENG Sian ia mitiaastaarsseeuepaneicatenssimonddunimusdemenmmiaianuernccsausin 15 16 O PD ITC naa 17 Warranty PAP OUI ON E E E T
9. Hz et apply 1 2 turn 6dB 6dB 6dB 6dB 40Hz 40Hz 40Hz ly 1 4 t 6dB 6dB eee _ 6dB 6dB EQUALIZER EQUALIZER WARNING Boosting the response at 20Hz is very demanding for most subwoofers The Supernova MKVI and MKVII series is designed to take a boost at such low frequency However if you are using the IQ amplifier to power another subwoofer please consult with your subwoofer maker to determine if their subwoofer can withstand a boost at such low frequencies Specifications are subject to change without notice Supernova MKVI amp MKVII Manual 13 Supernova MKVI Series Dimensions and Specifications 15 1 2 394mm 17 al gt T N 3 19 1 2 495mm J 21 534mm including grilles including grilles MKVI 12Black Piano MKVI 15Black Piano 1200W Peak GOOWRMS Power Handling 1200W Peak GOOWRMS 18 kOhm Input Impedance 18 kOhm 15 Hz 155 Hz Frequency Response 14 Hz 120 Hz Sealed with Passive Radiator Enclosure Type Sealed with Passive Radiator Black Ash Wood Veneer Piano Black 14 Supernova MKVI amp MKVII Manual Black Ash Wood Veneer Available Finishes Piano Black Earthquake Sound Corp 800 576 7944 www earthquakesound com Supernova MKVII 12 Series Dimensions and Specifications 18 3 4 476mm 18 3 4 476mm 21 3 4 553mm including grilles 19 1 2 495mm including grille
10. MKVII 12Sealed MKVII 12P 1200W Peak GOOWRMS Power Handling 1200W Peak GOOWRMS 18 kOhm Input Impedance 18 kOhm 15 Hz 155 Hz Frequency Response 14 Hz 155 Hz Front Firing Enclosure Type Ported with Passive Radiator Piano Black Available Finishes Piano Black Specifications are subject to change without notice Supernova MKVI amp MKVII Manual 15 Supernova MKVII 15 Series Dimensions and Specifications 20 3 4 527mm 22 559mm including grilles MKVII 15Sealed 1200W Peak 600WRMS 18 kOhm 14 Hz 150 Hz Front Firing Piano Black 16 Supernova MKVI amp MKVII Manual Power Handling Input Impedance Frequency Response Enclosure Type Available Finishes 20 3 4 527mm 24 610mm including grille MKVII 15P 1200W Peak 600WRMS 18 kOhm 13 Hz 150 Hz Ported with Passive Radiator Piano Black Earthquake Sound Corp 800 576 7944 www earthquakesound com IQ Amplifier Dimensions and Specifications 3 7 8 98mm 8 1 2 216mm 7 3 8 186mm 4 3 8 103mm 4 3 8 103mm aK oO N i imi oq
11. Report MODEL DRIVER dB 40Hz dB 35Hz dB 30Hz dB 25Hz dB 20Hz dB 18Hz EARTHQUAKE MKII 15 15 117 117 116 115 102 98 B amp W 4000 ASW 15 115 115 115 114 102 N A BAG END S 18E 18 110 110 100 N A TRIAD PLATINUM 18 N A N A 92 90 VELODYNE F 1800R 18 112 113 98 ENERGY ES 18XL 18 114 112 98 PARADIGM SERVO 15 15 110 96 BAG END INFRA 18 18 106 90 EARTHQUAKE MKII 12 12 113 98 M amp K MX 5000 12 N A 92 VELODYNE HGS 12 12 108 90 LINN AV5150 12 N A dB measurements as tested by WIDESCREEN REVIEW Buyer s Guide 2000 Specifications are subject to change without notice Supernova MKVI amp MKVII Manual 7 IQ Supernova Amplifier The IQ amplifier offers many unique features and technologies that allow it to deliver uncompromised performance even under extreme conditions The next few pages will describe in details the IQ built in functions and their applications We strongly recommend that you review these pages and feel free to contact us if you have any questions O O o
12. Y connector to increase the amp s sensitivity O O O O O O MAIN AUL 9 OUTPUT LEFT LEFT JR CENTER O Nr RIGHT RIGHT SUR SUB SRS RIGHT RIGHT SUR SUB back of typical processor receiver WARNING When using only one 1 input it takes a 250mV signal to fully power the amplifier When signal is fed to both inputs at the same time the amplifier required nearly half 1 2 the signal voltage to fully power up DUAL SUBWOOFER STEREO SETUP 0 O 0 LEFT RIGHT inputs on the amp powering the LEFT RIGHT speakers channels back of typical processor receiver MAIN AUDIO OUTPUTS LEFT LEFTSUR CC fER O O O O O O LEFT SUBWOOFER e RIGHT SUBWOOFER V RIGHT RIGHT SUR SUB back of typical processor receiver NOTE This same wiring configuration can be duplicated for the XLR inputs However we do not recommend mixing input types even though we provide you with three 3 different input types Specifications are subject to change without notice Supernova MKVI amp MKVII Manual 11 Gain Setting Your Subwoofer s As previously mentioned these vari
13. a accompanying literature Supernova MKVI amp MKVII Manual 5 Introduction Congratulations and thank you for choosing the Earthquake Supernova MKVI MKVII Subwoofer with IQ digital feedback Class J amplifier as a key component of your audiophile system The MKVI amp MKVII series utilizes the revolutionary and patented Class J amplifier circuitry SLAPS Symmetrically Loading Audio Passive System passive radiator and especially designed high excursion driver All those components are encased in high quality cabinet specifically designed to reduce internal resonance and diffractions allowing the Supernova to deliver a crisper bass and more accurate response Individually handcrafted in the USA the Supernova MKVI and MKVII Subwoofer Series meets and exceeds all industry standards or performance and quality With uncompromised World Class performance and superior technology the Supernova MKVI and MKVII Subwoofer Series epitomizes the state of the art in subwoofer design What Makes a Supernova IQ Digital Class J Amplifier The IQ digital feedback amplifier incorporated the patented Class J circuitry which allows the amplifier to produce massive amounts of power with minimal heat production This patented circuitry delivers high efficiency well exceeding 97 typical Class AB amplifier runs at about 40 to 50 The IQ amplifier offers a room correction technique that surpasses all previo
14. able gain controls are infinite controls that do not have starting and ending position Each click of the knob equals to 1dB adjustment One click clockwise increases the gain by 1dB while one click counter clockwise decreases it by 1dB To properly set the gain of the amplifier follow these simple steps 1 Turn the gain knob clockwise until the corresponding clipping LED indicator light up solid yellow N l 7 Oo GAIN 2 GAIN 2 2 Turn the gain knob three 3 clicks counter clockwise to unclip the amplifier The clipping LED indicator will turn off once the amplifier is un clipped a clicks N 7 Qx G GAIN 2 GAIN 2 If you need further assistance in setting your gain please contact our technical support team tech earthquakesound com US Toll Free 800 576 7944 Fax 510 732 1095 Room Correcting with Your Subwoofer s The proper room correction process involves correcting the phase and adjusting the equalization This process requires two 2 people one to make the adjustments to the amplifier and another at listening spot with a testing microphone or an SPL meter Step 1 Place the subwoofer at the preferred location inthe room Step2 Have the person holding the testing microphone or SLP meter sit on the theater seat sofa Step 3 Load White Noise Disc or 50Hz continuous tone Step 4 With the amplifier s phase delay and shift both set at 0 measure the SPL Step 5 Rotate
15. d feed the right channel to the INPUT 1 of the right subwoofer INPUT 2 is a dedicated LFE input designed to accept low frequency low pass already crossed signal from the processor or receiver To give you a three dimensional front end bass that allows you to have a low frequency dynamic stage the IQ series amplifier used on the Supernova MKVI amp MKVII subwoofers was designed with dual input circuits that use buffers to maintain your stereo separation on the processor side while mixing stereo front signals to produce 3D bass On the next page you will see illustrations showing the three 3 different suggested setups In each of them note the breakaway and the image separation represented by the black and gray arrows The best response is achieved when the subharmonic frequencies are dynamically synchronized with the rest or the audio system the black and gray arrows are identical The black arrows represent the P gt subharmonic frequencies The gray arrows represent the lows mids and highs as they follow the action Supernova MKVI amp MKVII Manual 9 Placing Your Subwoofer s cont d SINGLE SUBWOOFER SETUP DUAL SUBWOOFER SETUP WITH STEREO MONO SIGNALS This is a GOOD setup The subharmonic frequencies black arrow always move towards the sub in the single sub setup while the lows mids and highs gray This is the BEST setup Notice how black arrow arrow follow the action mimics the gray arrow This ill
16. egardless of signal presence Note that the MAIN POWER SWITCH must be ON for this feature to work IRINPUT Simply plug in the remote eye provided in the IR INPUT Once plugged in place the remote eye anywhere in the room where it is convenient for the user to control the amplifier using the included remote control EQUALIZER ROOM CORRECTION Used to cut or boost the 20Hz 30Hz and 40Hz frequencies by 6dB to assist in producing a wider range of listening preferences that are difficult to achieve without equalization By fine tuning the frequencies user can create a more well balanced system response that match their specific audio needs and preference AC POWER WITH BUILT IN FUSE Always replace the protection fuse with a similar value fuse For your convenience extra fuses are provided in the compartment located right below the plug To access these extra fuses simply unplug the power cable from the subwoofer place a flat head screw driver in the small notch and pry it open MAIN POWER SWITCH When switched to OFF the amplifier will remain of as there is no AC power being fed into it We highly recommend keeping this switch OFF when the amplifier is not being used for an extended period of time PHASE DELAY Ranges from 0 20ms milli second this variable phase delay allows user to adjust the subwoofer s response so the subwoofer can be synchronized with the rest of the speakers 8 Supernova MKVI amp MKVII Man
17. ound of the audio industry Headquartered in a 60 000 square foot facility in Hayward California USA Earthquake Sound currently exports to over 60 countries worldwide In 2010 Earthquake Sound expanded its export operations by opening a European warehouse in Denmark This accomplishment was recognized by the US Department of Commerce who honored Earthquake Sound with an Export Achievement award at the 2011 Consumer Electronic Show Just recently the US Department of Commerce presented Earthquake Sound with another Export Achievement award for expanding its export operations in China PARAMOS EMR ieee axansen ons aA 7 TE Joseph Sahyoun US Secretary of Commerce Gary Locke US Commercial Officer Sarah Fox and Joseph Sahyoun Abraham Sahyoun and Thomas Mygind CES dome Theater Best of mi High Fidelity 2009 SMALL SUBWOOFERS Earthquake Supernova MKV1 10 Subwoofer S M Specifications are subject to change without notice Supernova MKVI amp MKVII Manual 3 INNOVATIONS INTERNATIONAL CES INTERNATIONAL lt INNOVATIONS Safety Instructions Safety First This documentation contains general safety installation and operating instructions for the Supernova MKVI amp MKVII with IQ amplifiers It is important to read this users manual before attempting to use this product Pay particular attention to the safety instructions Symbols Explained AN Appears on the component to indicate the presence of
18. pace Engineer unhappy with the existing loud speaker technology and performance decided to put his advance engineering knowledge to use He pushed technological boundaries to the limit to create the kind of subwoofer he could live with Earthquake quickly created a name for itself in the car audio industry and became well known for its powerful subwoofers and amplifiers In 1997 using his existing expertise in the audio industry Joseph Sahyoun expanded his company to home audio production Earthquake Sound has since evolved into a leader in the home audio industry producing not only subwoofers and amplifiers but surround speakers and tactile transducers as well Engineered by audiophiles for audiophiles Earthquake Sound audio products are meticulously crafted to reproduce each and every single note perfectly bringing your home theater experience to life With true dedication and full attention to details Earthquake Sound engineers continuously develop new and better products to meet customers needs and go beyond their expectations From mobile audio to prosound and home audio Earthquake Sound has been selected as the winner of many prestigious awards based on sound quality performance value and features CEA and numerous publications have awarded Earthquake Sound with over a dozen design and engineering awards Additionally Earthquake Sound has been granted many design patents by the USPO for revolutionary audio designs that have changed the s
19. per use for a period of five 5 years from the date of purchase as shown on the Original sales receipt with serial number affixed written on it The five 5 year warranty period is valid only if an authorized Earthquake dealer properly installs the product and the warranty registration card is properly filled out and sent to Earthquake Sound Corporation If a non authorized party installs the product a ninety 90 day warranty period will be applied E arthquake warrants the original purchaser that all Factory Sealed New Audio Products to be free from defects in material A Five 5 years limited warranty plan coverage guidelines e First year Earthquake pays for labor parts and ground freight only in US mainland not including Alaska and Hawaii Shipping to us is not covered e Second third fourth amp fifth year Earthquake pays labor only Customer must pay for parts and freight both ways B Warning Products sent for repair that are tested by Earthquake technicians and deemed to have no problem s will not be covered by the five 5 year limited warranty Customer will be charged a minimum of one 1 hour of labor at the ongoing rates plus shipping charges back to customer C Earthquake will repair or replace at our option all defective products parts subject to the following provisions e Defective products parts have not been altered or repaired by other than an Earthquake factory approved technicians e Products part
20. s are not subjected to negligence misuse improper use or accident damaged by improper line voltage used with incompatible products or have its serial number or any part of it altered defaced or removed or have been used in any way that is contrary to Earthquake s written instructions D Warranty Limitations Warranty does not cover products that have been modified or abused including but not limited to the following e Damages to speaker cabinet and cabinet finish due to misuse abuse or improper use of cleaning materials methods e Bent speaker frame broken speaker connectors holes in speaker cone surround amp dust cap burnt speaker voice coil e Fading and or deterioration of speaker components amp finish due to improper exposure to elements Bent amplifier casing damaged finish on the casing due to abuse misuse or improper use of cleaning material Burnt tracers on PCB Product part damaged due to poor packaging or abusive shipping conditions Subsequent damage to other products warranty claim will not be valid if the warranty registration card is not properly filled amp returned to Earthquake with a copy of the sales receipt E Service Request To receive product service contact Earthquake Service Department at 510 732 1000 and request an RMAnumber Return Material Authorization Items shipped without a valid RMA number will be refused Make sure you provide us with your complete correct shipping address a valid
21. stem Earthquake s own patented SLAPS passive radiator technology dramatically increases the subwoofer s j efficiency and capability for ry ultra low frequency reproduction The unique design of the SLAPS employs dual identical suspensions allowing the passive driver to move the same amount of air in either direction Coupled with the active driver the SLAPS enables the woofer to move more than 4 peak to peak and adds an excess of 5dB at 15Hz more than twice as loud at that frequency Earthquake Sound Corp 800 576 7944 www earthquakesound com THX Standards One Octave Lower The Supernova performance well exceeds THX requirements of 105dB at 30Hz by far 1400B SUPERNOVA 130dB FLAT In flat more the Supernova achieves 123dB at 30Hz ae RESPONSE and reaches upwards of 128dB when the bass boost saa from an audio processor source is used Better yet soa the Supernova is capable of producing 108dB at gous 15Hz and near 100dB at 10Hz Keep in mind that 7oaB typical subwoofer systems tend to fail in producing 60aB frequencies below the 20Hz mark mn TYPICAL se SUBWOFER The Supernova MKVI amp MKVII series delivers an 5 RESPONSE impressive amount of features aimed at fulfilling the jy promise of ground shaking bass as suggested by its name 10Hz 15Hz 20Hz 30Hz 40Hz 50Hz 60Hz 70Hz Independent Test
22. the variable delay until the dB measure peaks you will know that it has peaked when the measurement begins to go back down Rotate the knob back to the peak position Step 6 Measure the angle of rotation of the phase delay knob in approximate degrees or fractions of a turn Step 7 Reset all adjustments to zero 0 flip the phase shift switch to 180 and redo step 4 through 6 Choose the setting that has the maximum SPL with the minimum phase delay 12 Supernova MKVI amp MKVII Manual For example if you need to rotate the phase delay about 1 2 of a turn with the phase shift at 0 while you only need to rotate the delay about 1 4 turn with the phase shift at 180 then setting the phase at 180 is the best setting PHASE SHIFT PHASE DELAY Phase Shift at 0 emme Peak SPL at about 1 2 turn 0 20ms PHASE SHIFT PHASE DELAY Phase Shift at 180 elle Peak SPL at about 1 4 turn 0 180 Best Setting 0 20ms LEVEL TIME Earthquake Sound Corp 800 576 7944 www earthquakesound com Room Correcting with Your Subwoofer s cont d Now that you have corrected the phase of the subwoofer s the next step to room correction is setting the room equalization To properly set up the room equalization you will need a Spectrum Analyzer or the following rule of thumb 20 4z7 20 4z7 20Hz T a rn 6dB 6dB PPY j 6dB 6dB 30Hz 30Hz 30
23. ual Earthquake Sound Corp 800 576 7944 www earthquakesound com PHASE SHIFT This 0 180 phase shift switch allows the user to flip the Supernova 180 degrees out of phase if the sub is deemed to be out of phase with the rest of the speakers When set properly and with the phase delay out of phase side effects such as loss of sound pressure and reduction in overall system performance can be eliminated 11 GAIN CONTROLS These variable gain controls are infinite controls that do not have starting and ending position Each click of the knob equals to 1dB adjustment One click clockwise increases the gain by 1dB while one click counter clockwise decreases by 1dB Note that each input has its own independent digital gain control GAIN 1 amp GAIN 2 Both of those controls are internally mixed so they feed one combined signal into the amplifier More on this feature can be found on the Gain Setting Your Subwoofer s section on page 12 Placing Your Subwoofer s ou often hear the term subwoofers are non directional This is not true It is harder to choose subwoofer placement when low frequencies are crossed The wider the room the more directional the subwoofer The easiest solution is to use two 2 subwoofers feed a mono signal to both and place them in the front one of the left and another on the right While having two 2 subs is better than one the MONO signal that drives those subwoofers keeps
24. ulated C A U T O N dangerous voltage inside the enclosure Specifications are subject to change without notice RISK OF ELECTRIC SHOCK DO NOT OPEN e When carrying the Supernova make sure that the speakers grilles are away from your chest eliminating the chance of pushing against the face of the speaker e Do not drop the Supernova or subject it to sudden shocks This will damage the external finish and weaken the enclosure creating air leaks e Avoid exposing the Supernova to moisture Water will damage the wood structure as well as the amplifier and speakers e Cleaning the Supernova is best done using soft cloth If needed use mild detergent with water Like any other electrical unit always unplug the unit before cleaning it Unpacking the Supernova The Supernova is packaged well for safety We highly suggest having a padded surface and at least two 2 people to safely unpack the subwoofer Step 1 On a padded surface carefully place pi the box in its side to remove the bottom packing tape and staples 3 Step 2 Without tilting the box too much tug the bottom flaps outward and keep the protective foam in place Step 3 Gently reposition the box upright Step 4 Slide the box off minding the protective foam on the top bottom and sides of the subwoofer This triangle which appears on your component alerts you to important operating and maintenance instructions in this
25. uninsulated dangerous voltage inside the enclosure voltage that may be sufficient to constitute a risk of shock Calls attention to a procedure practice condition or the like that if not correctly performed or adhered to could result in injury or death Calls attention to a procedure WARNING practice condition or the like that if not correctly performed or adhered to could result in damage to or destruction of part or all of the product NOTE Calls attention to information that is essential to highlight Important Safety Instructions 1 Read these instructions in their entirety 2 Store this manual and packaging in a safe place 3 Heed all warnings 4 Follow instructions do not take shortcuts 5 Do not use this apparatus near water 6 Clean only with a dry cloth 7 Do not block any ventilation openings Install in accordance with the manufacturer s instructions 8 Do not install near any heat sources such as radiators heat registers stoves or other apparatuses that produce heat 4 Supernova MKVI amp MKVII Manual 9 Donotdefeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other The grounding type plug has two blades and a third grounding prong The wide blade or the third prong is provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the
26. us attempts The intelligent Back EMF drive circuit interacts with the subwoofer and memorizes system tuning frequencies as well as system type The information which is stored in microprocessor turns on a preset group delay curve that serves as a correction reference This information deals only with time correction that moves the peaks and the dips in aroom to a flat Once that is achieved the user will then resort to the final correction EQ the room The IQ amplifier can either cut or boost the 20Hz 30Hz and 40Hz frequencies by 6dB to produce a wider range of listening position that is unprecedented for the room Note that boosting the response at 20Hz is very demanding for most subwoofers However the Supernova MKVI and MKVII series is designed to take a boost at such low frequency 6 Supernova MKVI amp MKVII Manual Proprietary High Excursion Drivers The drivers used in the SuperNova are specifically designed for accurate reproduction of bass and sub bass frequencies Witha massive moving structure these drivers operated with extremely low distortion and impressive transient response Their performance is attributed to a non conventional motor structure design that integrates components such as double stacked high gauge magnets epoxy coated super spiders high temperature copper voice coils and over 1 of single layer thermally pressed poly ether foam surrounds SLAPS Symetrically Loaded Audio Passive Sy
27. ustrates fully complementary subharmonics to the lows mids and highs Py LFA TISS ae ry 7 TA 4 i i A D Be P z e7 AT 7 A DUAL SUBWOOFER SETUP WITH MONO SIGNAL In this setup the stereo subwoofers keep the subharmonics dynamically synchronized with the i rest of the audio system This is a BETTER setup In a dual subwoofer setup the subharmonic frequencies black arrow always move towards the middle of the room while the lows mids and highs follow the action gray arrow a gt D g T we A OZ p i N t p N W A Notice the breakaway and image separation is less in this setup than the single subwoofer setup 10 Supernova MKVI amp MKVII Manual Earthquake Sound Corp 800 576 7944 www earthquakesound com Connecting Your Subwoofer s SINGLE SUBWOOFER SETUP Be reminded that INPUT 2 is a dedicated LFE input designed to accept low frequency low pass already crossed signal from processor or receiver Therefore if the processor receiver has a SUB out use INPUT 2 of the subwoofer O O O MAIN AU 10 OUTPUT LEFT LEFT UR CENTER Typically one RCA can feed enough signal to drive the IQ amplifier to its full potential However in some cases where the signal is too low for the IQ amp to produce its full output you may use a
28. va Subwoofer e Whatare the intended listening zones e From where in each zone will the listener prefer to control the system Where will the subwoofer be located e Where will the source equipment be located Connection Tips e Keep all power cords away from all signal cables to prevent humming from induced noise e Choose reliable signal cable cords Earthquake Sound also specializes in high performance RCA cables and patches e All speaker wires that are ran through the walls should be twisted type to reduce potential hum noise pick up e It is best to use a grounded electrical outlet to power the amplifier Lack of input ground reference could be unsafe Consult with your electrical contractor about proper grounding safe amp Proper handling The Supernova subwoofer is considerably heavy for an average person to carry or maneuver To prevent injuries and eliminate any possible damage to your Supernova we encourage you to employ the help of a friend when unpacking the unit We further suggest the following e Always wear a back support belt when carrying lifting the Supernova e If possible get someone to help you move the Supernova e Do not apply pressure or push against the face of the speaker as this will cause irreparable damage to the cone and suspension voltage that may be sufficient to constitute a risk of shock This triangle which appears on your component alerts you to the presence of unins
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