Zu Audio DEFINITION Mk.IV Owner'S Manual Download Page 1 | Manualshive

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DEFINITION Mk.IV

OWNER’S MANUAL

1 | 2012

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Summary of Contents for DEFINITION Mk.IV

Page 1: ...DEFINITION Mk IV OWNER S MANUAL 1 2012 ...

Page 2: ...rroundings songs of tranquility and warning history and intuition instruct that patterns of sound have been a fundamental constant Observance of nature both physical and spiritual teach us of the endless interplay of vibrational forces While traveling the line of time we observe many periods of increased awakening and technological advancement but none so powerful and rapid as that of the Scientif...

Page 3: ...bled and circuits and power supply components are exposed This requires special tools and technical skill If the subwoofer amplifier is opened for any reason know dangerous voltages are present inside during operation and for up to ten minutes after disconnecting from AC mains Again the subwoofer amplifier case is sealed and requires technical knowledge and special tools to open and should only be...

Page 4: ...ot allowed to enter your house if you are nice they will likely wheel the speakers right up to your door maybe lend you the hand truck for a minute while you move them into your room But even if you give them a big tip they are not going to lend any muscle inside your home 4 Cut the banding wrap with a knife and while still laying down cut the tape securing the tabs on either end of the box You do...

Page 5: ...ill be rewarded if you work on setting them up for the best sound The following details may assist you in the pursuit of tone texture and realistic stereophonic recreation Placement for left right front Definition Mk IV loudspeakers should be placed to work with the natural acoustics of the room rather than fight them The following basic points should be followed Definition loudspeakers should be ...

Page 6: ...ions and listed books will start you down the proper acoustic path Again before you trust another modern work relative to playback and acoustics please research the above listed references With your loudspeakers positioned for visual appeal livability and fidelity you can now begin fine tuning This involves three major steps in sequence they are bass mids and treble If you can t fine tune your sys...

Page 7: ... good sounding bass area that have good presence go with the widest point closest to the wall for an expansive and engaging stereophonic soundscape Don t worry about center focus Definition Mk IV can really throw an expansive and focused image provided it s in the recording and passes unhindered through the electronics there s nothing worse than some stupid whizbang technology forever synthesizing...

Page 8: ...w simply a matter of measuring and mirroring Don t fuss over whether or not your loudspeakers are perfectly square with the walls or get obsessive with the room s mathematical relationship To do so is to waste time and possibly mess things up Trust what you ve already established with your single channel effort so forget about everything other than establishing your center plane and mirroring the ...

Page 9: ...er laser mark intersects your seating center mark This should result in the orthogonal laser striking the tuned loudspeaker right on the inside front corner 6 Measure and note the distance from the laser intersect to the point of laser contact inside front base corner on the positioned loudspeaker 7 Reflect this distance on the other side of the stereo plane marking the mirrored distance with tape...

Page 10: ...nal problems with steady state or semi steady state music or signal This is a problem because room influence on steady state is huge the single largest influence if included as a component of your playback system So people usually tweak things to get the steady state and decay tonally correct but inadvertently kill the life in the attack This is a reason why cables as tone controls digital room co...

Page 11: ...e integrity of the music fed from your main amplifier These components and the sophisticated cabinet work together to deliver what we genuinely believe to be the state of the art in any loudspeaker south of 30k It s hugely dynamic massively sensitive capable of handling high power if you really want to die young and so wonderfully gloriously coherent unflappable and downright true to the gorgeousn...

Page 12: ...k together as a whole and interface with the cabinet and how the whole loudspeaker system works within the room Like all Zu products Definition Mk IV is centered and weighted around the critical human voice A1 55Hz through A6 and all the possible harmonics to approximately 10kHz Serving this critical region of tone is our nanotech 10 paper cone substrate based full range driver the same developed ...

Page 13: ...d solid ceramics fibers and synthetic resins performed as promised so naturally we got busy experimenting on driver applications Here s what we ve achieved the driver s cone is a paper pulp substrate processed with a liquid solid matrix utilizing several nanoengineered materials Some key components and compounds include nanosphere ceramics synthetic epoxy cristobalite plus the use of amorphous fum...

Page 14: ...IV loudspeakers For best stereophonic imaging you should run matched pairs of left right cable of the same length If tone is more your thing and stereophonic effect is not so important then length matching of left right channels is not critical While insulation jacket materials pigments conductor shape metallurgy and structure are important yep they really are all pale into insignificance compared...

Page 15: ... channel phase SP to SP SP to SP as the connectors are indexed no possible short circuiting of amplifier ZuB3 interface connection via speakON 8 pole connectors maintains the electric and magnetic properties of the ZuB3 cable and lowers contact resistance over other bulkhead pass throughs For those that wish to use other cables we make a very high quality ZuB3 to Cardas pure copper binding post ad...

Page 16: ...amp chamois or microfiber cloth High gloss finishes do not need any additional UV or other protection and we do not recommend wax For serious cleaning and polishing we recommend 3M Perfect It 3000 Glaze Polish or equivalent All our painted finishes are top shelf super durable waterproof and will remain so for decades even in direct sunlight Dusting of the 10 full range drivers should only be done ...

Page 17: ...d manufacturing know how and at the end of it an honest well built kick ass product We also love to get out and enjoy life and embrace all that the world has to offer Zu is sincere in its search for real environmental human and ecology friendly manufacturing no fluffy feel good bullshit just the real deal and not because of some great googly moogly climate change geopolitical power play nonsense I...

Page 18: ...e above as shipped settings charted in red Blue traces are user filter minimum maximum results for reference DEFINITION Mk IV Rev A Audio amplifier with Hypex UcD 400 V5 core Designed and made by Zu Audio in Ogden Utah U S A AC draw 600 W max 8 W idle 50 60 Hz Risk of electric shock DO NOT OPEN RoHS 230 V 5A Fuse Input Voltage 10A Fuse 115 V Fuse Active 0 Phase 180 Volume Low pass Filter PEQ Gain ...

Page 19: ...FILTERS low pass filter 120Hz maximum bandwidth low pass filter 20Hz minimum bandwidth PEQ 6 20Hz 10 Hz 20 50 100 200 500 1k dB 20 18 16 14 12 10 8 6 4 2 0 2 4 DEFINTION Mk IV SUB AMP FILTERS DEFINITION Mk IV REV A LOUDSPEAKER SUB AMP FILTERS Filters set at factory position 1 10 Hz 20 50 100 200 500 1k dB 20 18 16 14 12 10 8 6 4 2 0 2 4 DEFINTION Mk IV SUB AMP FILTER POSSITION AS SHIPPED ...

Page 20: ...na plugs in a pinch ZuEventB3 Def4 A 1 4 watt average room moderate volume 4 16 watt large room loud listening 16 64 watt large room concert levels 500 watt maximum input power Definition Mk IV is designed around conventional or parallel mode amps bridged amplifiers are not recommended black speaker negative leg sp of bridged amps will see the virtual ground node of the internal bass amp drivers 0...

Page 21: ...ghtning storms or when the playback system will not be used or for an extended period of time Class 2 transformer is also a class 2 double wound isolation toroidal transformer that is switched and fused 60065 EMC 2004 108 EC 2006 95 EC 55103 RoHS CE WEEE Class 2 subwoofer amplifier 50 60Hz 115 or 230 volt transformer is 115 230V wound and factory wired for your region C13 C14 115V AC mains 8A 230V...

Page 22: ...A lib Oct 20 2010 Thursday am 4 5 0 351 Feb 11 2005 Notes Map SPL vs Freq unsmoothed 300 pt ref in room 4m center mic at tweeter axis gating off subwoofer active filters optimized ambiant noise floor of living room 10 Hz 20 50 100 200 500 1k 2k 5k 10k 20k dB SPL Z ohms 0 10 20 30 40 50 60 70 80 90 100 110 120 AMPLITUDE RESPONSE BANDWIDTH IMPEDANCE DUT Definition Mk Iv REV A SN 0000 5 system Z 8Ω n...

Page 23: ...mity with the provisions of 1 Directive 2004 108 EC on Electromagnetic Compatibility 89 336 EEC 2 Directive 2006 95 EC on Low Voltage Equipment Safety 73 23 EWG 3 Directive 2002 95 EC on hazordous materials RoHS and WEEE The Technical Construction File required by this Directive is maintained at the corporate headquarters of Zu Audio at 3350 S 1500 W Ogden Utah 84401 USA Sean Casey CEO Dated EUROP...

Page 24: ... relates is in conformity with the following standards or other normative documents 1 Council Directive 2004 108 EC December 15 2004 on Electromagnetic Compatibility 2 Council Directive 2006 95 EC December 12 2006 on Low Voltage Equipment Safety The Technical Construction File is maintained at the corporate headquarters of Zu Audio Inc at 3350 S 1500 W Ogden Ut 84401 USA The authorized representat...

Page 25: ...Z U A U D I O 3 3 5 0 S 1 5 0 0 W O G D E N U TA H U S A D E S I G N E D A N D M A D E B Y U S WWW ZUAUDIO COM DEFINITION MK IV OWNERS MANUAL ...

Page 26: ...DEFINITION MK IV OWNERS MANUAL Z U A U D I O 3 3 5 0 S 1 5 0 0 W O G D E N U TA H U S A D E S I G N E D A N D M A D E B Y U S WWW ZUAUDIO COM ...

Page 27: ...was improperly handled or used Zu will charge you for all damaged parts labor shipping and handling of the product Warranty does not apply to damage caused by operating the product outside the intended use accident another product misuse abuse flood fire earthquake or any other external causes Warranty does not cover damage caused by modification or service performed by anyone other than a Zu repr...

Page 28: ...Z U A U D I O O g d e n C o m m e r c i a l I n d u s t r i a l P a r k 3 3 5 0 S 1 5 0 0 W O G D E N U TA H U S A D E S I G N E D A N D M A D E B Y U S WWW ZUAUDIO COM ...

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