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Set-up Guide 

Positioning  

A good starting position for the 450XS is about 20% of the way into 
the room as measured from the front wall (the wall you look at as 
you are seated listening to the speakers). Start with the speakers six 
feet apart. You will want to sit at least 10 to 12 feet away from the 
speakers (eight feet if you have the space). We will experiment with 
moving the speakers around later. 

Power Connections 

There are two connections you will 
need to make to the 450XS. First, the 
power cord for the built-in amplifier 
will need to be plugged into a power 
socket. A 10-foot power cord is 
included with your speakers for this 
purpose. We do not recommend 
using an extension cord for the 
450XS due to the high power 
demands of the 1000W amplifier. 
However, if you MUST use an 
extension cord, use an extremely 
heavy duty one. 

Before you plug the power cord in, 
please make sure that the voltage 
selector is set to the proper 
voltage

. Taiwan, Japan and North 

America will require the 115v setting. 
Most European countries and other 

Asian countries will require 230v. We recommend that you plug the 
450XS into an unswitched outlet, or a switched outlet that will always 
be left ON. 

There is an on/off switch for the power amplifier. This switch should 
always be left on. The built-in amplifier has an auto-sensing circuit 
that will automatically shut the amplifier off when there is no music 
being played for around 10 minutes. It will immediately switch the 
amplifier on if there is music sensed. 

Summary of Contents for 450XS

Page 1: ...NECTIONS 5 CONTROLS 5 TUNING THE SYSTEM 6 ADJUSTING BASS GAIN 6 LOW PASS FILTER 6 IMAGING AND SOUNDSTAGE 7 FURTHER ADJUSTMENTS 8 THE REFINEMENT STAGE 9 ROOM TREATMENT 10 MASTERING THE REFINEMENTS OF T...

Page 2: ...the performer Standing 57 inches tall 23 5 inches deep and only 14 5 inches wide the Genesis 450XS is a diminutive giant By means of an active servo bass response down to 16Hz is achieved and the full...

Page 3: ...5kgs each so we suggest a minimum of two strong people to move the speakers around We will not be held liable for damage to either the speakers or your backs during unpacking and setting up Room Place...

Page 4: ...his purpose We do not recommend using an extension cord for the 450XS due to the high power demands of the 1000W amplifier However if you MUST use an extension cord use an extremely heavy duty one Bef...

Page 5: ...able to connect the output of your preamplifier to the Preamp level input RCA connector on the back plate of the 450XS Using this connection switch the Bass Input Selector to the up position This will...

Page 6: ...his control will be addressed later Turn the gain control of the woofer amplifier up or down until the voice sounds correct Whatever controls you use turn them up and down only a little at a time less...

Page 7: ...t there are several remedies that will address this If the vocal appears to be larger than life you should first check the system volume Is it a volume that would be appropriate for someone actually s...

Page 8: ...phone the music may appear to come directly from the loudspeaker This is normal Typically however the sound should appear to be detached from the loudspeakers A simple rule of thumb to follow is that...

Page 9: ...ll the speaker away from the front wall This is typically preferable to separating the two speakers too far and will almost always give you better depth and soundstage information A word of caution ho...

Page 10: ...is wall to wall and with pinpoint focus the speakers disappearing completely on a recording containing such information Room Treatment No room is perfect To optimize your sonic presentation it may be...

Page 11: ...ers or absorbers behind you for best sound Absorption behind the listener is usually beneficial Mastering the Refinements of the system Fine tuning an audio system is an art that will take time and pa...

Page 12: ...ipoles radiate the same sound from both front and rear out of phase in a push pull fashion Thus the sound waves from the front and back of the speakers cancel each other out as they radiate from the s...

Page 13: ...er However the Chief Scientist of Genesis Arnie Nudell first introduced the servo system in the legendary Infinity Servo Statik One in 1968 so we know how to design and build servo systems The concept...

Page 14: ...lt in 1000W servo amplifier for the bass section Aluminium cone Woofers The transducer used in a servo system must be strong enough to withstand the high current approach of the servo yet delicate and...

Page 15: ...amounts of current to make the woofer follow the input signal Combined with the metal cones this means that the amplifier used must deliver extraordinarily large amounts of clean power In the 450XS t...

Page 16: ...designed loudspeaker system For example by going the more expensive route of using several smaller capacitors in parallel instead of a single big one transparency and musicality were improved Specifi...

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