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a bs o l u t e   f i d e l i t y

Another good rule of thumb is to first set the volume control of the 
woofer for proper mid-bass rather than low bass. The theory is that 
if the mid-bass is correct, then the low bass should be very close to 
correct. If the mid-bass is proper and the low bass is still not right, 
here are some other suggestions. 

A good balance between proper low bass extension and a deep and 
spacious soundstage needs to be established to optimize your new 
speaker's performance. 

In order to achieve what the speaker is capable of we suggest you 
focus your efforts on a proper balance

 

of soundstage elements that 

includes information beyond the left and

 right sides of the speakers, 

front to back depth well behind the speaker, excellent focus of 
instruments and voices with proper vertical information and mid bass 
fill. 

A Genesis loudspeaker system correctly set up, can and should 
provide a soundstage that 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 
helpful to treat your room. Here are some guidelines: 

Front walls

. This loudspeaker is a dipole and therefore there is 

sound coming from both the front and the back of the speaker. 
How the front wall (the wall you face while listening) is treated or 
not treated is important. Generally speaking, the Genesis 
loudspeakers prefer a live front wall to a dead front wall.  
 
By these terms, we mean the amount of reflection of sound. A 
typical wall of glas, brick, cement or drywall material is a 
reflective surface. A heavily

 curtained or sound-proofed wall 

would be considered a "dead wall" or a non-reflective wall. A 
normal thin curtain across a window causes only a small amount 
of absorption.

 

Sidewalls

. Because the speaker is a dipole it is less sensitive to 

the sidewalls. However, as a rule of thumb it is a good idea to 
keep the speaker as far away from the sidewalls as is practical. 
With this in mind, it may be helpful to add some damping 

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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