Genesis 1.1 Setup And Owners Manual Download Page 1

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Owners Manual and Set-up Guide:

Genesis 1.1 Loudspeaker System

Contents

SET-UP GUIDE

1.1

NPACKING

1.2

LACEMENT OF THE

ENESIS

1.1 L

OUDSPEAKER

1.3

OOFER

ONNECTIONS

1.4

ERVO

CONTROLLED

ASS

MPLIFIER

ONNECTIONS

1.5

ROSSOVER

ONNECTIONS

1.6

EMOTE

ONTROL

1.7

ROSSOVER

ONTROLS

TUNING THE SYSTEM

2.1

EGIN WITH THE BASS LEVEL

2.2

MAGING AND

OUNDSTAGE

2.3

HASE

ONTROL

2.4

URTHER ADJUSTMENTS

THE REFINEMENT STAGE

3.1

UNNING

IN THE

YSTEM

3.2

AKE

HANGE AT A

IME

3.3

EFINING THE

OUNDSTAGE

3.4

PPROPRIATE

BASS

ALANCE

3.5

OOM

REATMENT

3.6

ASTERING THE

EFINEMENTS OF THE SYSTEM

THE TECHNOLOGY

4.1

ESIGN

HILOSOPHY

: D

IPOLAR

INE

OURCE

4.2

ENESIS

IBBON

WEETER

4.3

75-

INCH MIDRANGE RIBBON

4.4

ERVO

BASS

DVANTAGE

4.5

OOFER

OWER

4.6

ERVO

CONTROLLED

MPLIFIER

ROSSOVER

4.7

ROSSOVER

4.8

ORIAN

™ B

AFFLE

, W

INGS AND

ASES

4.9

UMMARY

Summary of Contents for 1.1

Page 1: ...MAGING AND SOUNDSTAGE 15 2 3 PHASE CONTROL 16 2 4 FURTHER ADJUSTMENTS 17 3 THE REFINEMENT STAGE 17 3 1 RUNNING IN THE SYSTEM 17 3 2 MAKE ONE CHANGE AT A TIME 17 3 3 DEFINING THE SOUNDSTAGE 18 3 4 APPROPRIATE MID BASS BALANCE 18 3 5 ROOM TREATMENT 19 3 6 MASTERING THE REFINEMENTS OF THE SYSTEM 20 4 THE TECHNOLOGY 21 4 1 DESIGN PHILOSOPHY DIPOLAR LINE SOURCE 21 4 2 THE GENESIS RIBBON TWEETER 22 4 3 ...

Page 2: ... USA Tel 1 206 762 8383 Fax 1 206 762 8389 www genesisloudspeakers com Here are the serial numbers of your Genesis 1 1 System Please keep this document safe for future reference Serial Numbers Mid Tweeter Panels ________________ Woofer Towers ________________ Bass Amplifiers ________________ Dealer Date ...

Page 3: ...ltimate reference system for the reproduction of music Fourteen years later in June 1993 Nudell in collaboration with Paul McGowan introduced to the world the Genesis 1 a new benchmark for the reference loudspeaker system The current Genesis 1 1 embodies over 20 years of evolution and revolution in loudspeaker design It is the current ultimate reference for the reproduction of music Whereas many o...

Page 4: ... the audio spectrum arrives at the listener at the same time spatial cues emanating from a performance are reproduced i e sound waves bounced from the walls floor and ceiling of the venue attenuated in amplitude and displaced in time can be resolved in space by two stereo channels If a reference system can slice time thinly enough and have excellent low level resolving power one can experience man...

Page 5: ...tower bases There will also be a box containing two crossover boxes two boxes each holding a 6 channel servo controlled bass amplifier and a box containing all the supplied connecting cables To remove the contents of all the crates you will need at least three immensely strong people the Genesis 1 1 loudspeaker system weighs a total of 2 640 lbs 1 200kg to move the various parts of the speakers ar...

Page 6: ... in anything This is to allow safe handling of the tower If there is anything covering the veneer it may be difficult to pick up this immensely heavy tower The covering may tear causing you to drop the tower The soft foam cushioning is sufficient to ensure that the veneer finish is not marked Next remove the screws holding one side of the crate together The woofer tower is then exposed and you can...

Page 7: ...ont or back the bottom might break off Then while someone else holds the panel vertical place one of the veneer mdf wings into the slot beside the panel Once both wings are in place screw the three parts together Make sure that the tweeters are on the inside ie the row of tweeters are closer together than the midrange ribbons Insert all 12 screws provided with the washers from the back through the...

Page 8: ...f available behind you to the rear wall Place the column of tweeters on the inside and position the mid tweeter panels so that the centers of the tweeters are 6 feet 10 inches apart Next position the woofer towers just to the outside of and behind the mid tweeter wings Having the woofers diagonally six feet behind the midrange tweeters work well Placing the woofer towers asymmetric in the room res...

Page 9: ...r of the woofer towers It does not matter which connector is attached to which woofer as long as the left right channels and cable direction are correct For interest and reference the connectors are numbered 1 thru 6 from left to right and top to bottom Woofer number 1 being the top woofer and woofer number 6 being the bottom woofer When you connect the woofer tower outputs pay close attention to ...

Page 10: ...ower amplifier interface Bass is the foundation of music and it may be difficult to integrate the bass to the midrange if there is a significant quality difference in the interconnection If your preamplifier has only one set of outputs you may have to invest in a good quality Y connector either RCA or XLR or commission a special Y cable from your preferred interconnect provider However if your pre...

Page 11: ...the lesser of two evils 1 5 Crossover Connections The cross over boxes have three pairs of input and output connectors each They are from left to right front tweeters midrange and rear tweeters The top row of connectors are the inputs and the bottom row are the outputs These high quality binding posts from Cardas will accept either banana plugs or spade connectors The crossovers are designed in th...

Page 12: ...er set of jumpers when the banana plugs are used to attach the jumpers to the binding posts remove completely the gold nut on the binding posts if it is not used The sound will improve with the removal of unnecessary metal Keep the nuts safely in case you will be using spades for termination in the future 1 6 Remote Control The Genesis remote control for the Servo Controlled Bass amplifier has two...

Page 13: ...ssover box The left hand knob is a volume control for the rear tweeters Turning this control clockwise will increase the level of the rear tweeters Use this control if you need a bit more treble or to increase the apparent space of the soundstage Start with this control at the twelve o clock high noon position The control on the right side is a five position switch used to adjust the soundstage he...

Page 14: ...Low pass Filter control will raise or lower the frequency cut off point of the woofer Turning the low pass filter up to a higher number will extend the upper bass regions without affecting the low bass level Some very large rooms may require that you set the low pass filter to 115Hz Do not be afraid to increase this control to give the sound more body or reduce it if you find that there is mid bas...

Page 15: ... image is still too large try moving the midrange tweeter wings closer together If the voice is too low in height turn the Midrange Control to the next higher position and the image of the voice will move upward slightly If you have the speakers only 20 away from the front wall and you are not getting enough front to back depth the singer not appearing behind the speaker enough pull the midrange t...

Page 16: ...to experiment with different phase settings Using the remote control you can adjust the woofer s phase angle up or down in five degree increments The changes are subtle and they usually affect the imaging and soundstage Listen carefully to the positioning in acoustic space of the orchestral players as you change the phase control You may notice small shifts in their apparent relationship to the ot...

Page 17: ...se the low pass filter frequency and woofer volume You can also move the speakers closer together for better coupling and also move the woofer towers closer together or further apart or even move them closer to a corner of the room for more bass 3 The Refinement stage After following the rough setup guide above you may not be completely satisfied with the results We share with you here some of our...

Page 18: ...mid bass on down This simply means that the left and right drivers work together as opposed to working independently With the broad wings of the Genesis 1 1 we have not found this to be a problem However if the gap between the two towers is more than 7 feet you will find that the speakers lose coupling and the mid bass suffers If you find there isn t enough deep bass your first remedy is the volum...

Page 19: ...ill A Genesis loudspeaker system correctly set up can and should provide a soundstage that goes beyond the confines of the walls of your listening room and yet with pinpoint focus the speakers disappearing completely on a recording containing such information 3 5 Room Treatment No room is perfect To optimize your sonic presentation it may be helpful to treat your room Here are some guidelines 1 Fr...

Page 20: ...ssary to do anything with the wall behind your listening position However if due to the constraint of room size you are sitting very close to the rear wall you may want to experiment with diffusers or absorbers behind you for best sound Some absorption behind the listener is usually beneficial in reducing slap echos 3 6 Mastering the Refinements of the system Fine tuning an audio system is an art ...

Page 21: ...er to propagate sound in a room a point source and a line source Anything else or everything in between is a compromise In order for all frequencies of sound from the loudspeaker to reach the listener at exactly the same time a coherent wave front is important not just time alignment of drivers The ideal is either an infinitely small pulsating point or a pulsating line with a size on the order of ...

Page 22: ...es of loudspeakers With fewer spurious reflections to confuse your hearing the program source emerges more clearly Imaging is deeper yet more focused This results in a loudspeaker system that is virtually room independent Also because there are no phase and frequency distorting reflections created one can be transported into the audience of the actual concert hall where the music was recorded 4 2 ...

Page 23: ...he midrange ribbon has a vertical dispersion pattern identical to that of the line array of tweeters This insulates the listener from the room s negative effects and enhances the sense of spaciousness and depth 4 4 The Servo bass Advantage Very few loudspeakers use servo drive either because most designers think that it is too difficult to design too expensive or because of the extraordinary deman...

Page 24: ...se of the woofer anechoically flat to the lowest frequencies 4 5 The Woofer Tower Six 12 woofers mounted in a 7 foot tall tower operate in unison to control the air mass of the entire room This means that the surface area of the eight cones and the large enclosure all work together in unison to produce bass output that descends evenly to below your hearing limits The woofers used in a servo system...

Page 25: ...ed connecting cables woofers custom tailored EQ network and remote controlled crossover circuitry The proprietary six channel 500 watt per channel amplifier is specifically designed and tuned especially for low frequencies in order to produce floor shaking musical bass to power the servo woofers One side benefit of this powered woofer system is that almost any sized amplifier can be used to drive ...

Page 26: ... Corian Baffle Wings and Bases One of the great lessons learned in speaker design is the necessity of rigid enclosures and baffles Vibrations from any surface on the speaker can not only cause frequency anomalies but also time and phase distortion Hence the Genesis 1 1 employs an ultra rigid Corian baffle on which to mount the midrange and high frequency transducers The Corian baffle is then inser...

Page 27: ...ircular Ribbon Tweeters 20 front 6 rear Midrange Transducer per side Single 75 Ribbon LF Transducers per side Six Genesis 12 woofers with ribbed aluminum cones Amplifier Power Rating Six channels per side 400 watts each Amplifier Inputs 1pair XLR balanced 1pair RCA single ended Dimensions Mid Tweeter Wing H 90 x W 41 5 x D 5 each Woofer Tower H 90 x W 15 5 x D 19 each Amplifier H 10 x W 12 x D19 e...

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