Genesis Advanced Technologies Speaker System G61sr User Manual

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Owners Manual and Set-up Guide:  
Genesis 6.1 Surround Channel Loudspeaker  
Contents  
1
2
A QUICK START SET-UP GUIDE  
3
1.1  
1.2  
1.3  
1.4  
UNPACKING  
3
3
3
3
PLACEMENT  
CONNECTIONS  
ADJUSTMENTS  
SETTING UP  
4
2.1  
2.2  
POSITIONING  
4
4
4
4
5
LOUDSPEAKER CONTROLS  
2.2.1 TWEETER CONTROL  
2.2.2 MODE  
2.3  
TUNING THE SYSTEM  
3
THE TECHNOLOGY USED  
6
3.1  
THE TRANSDUCERS  
6
6
6
6
7
8
3.1.1 THE GENESIS RIBBON TWEETER  
3.1.2 TITANIUM MIDRANGE  
3.1.3 ALUMINUM-CONE WOOFERS  
CROSSOVER  
3.2  
3.3  
VIBRATION-FREE CABINET  
4
SPECIFICATIONS  
9
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1 A Quick Start Set-up Guide  
Now that you have your new Genesis 6.1 Surround Channel, we realize  
that you can’t wait to hook it up and start playing! However, please read  
this quick set-up guide (even if your dealer is setting it up for you) before  
you proceed.  
1.1 Unpacking  
Your loudspeakers will come to you in a large shipping carton weighing  
over 43lbs (20kgs). Use correct lifting techniques when moving the  
speaker carton around or lifting the speaker out of its carton. We will not  
be held liable for damage to either the speakers or your backs during  
unpacking and setting up.  
1.2 Placement  
If you are hanging the speakers on the wall, you will need a qualified  
installer to mount them on very strong brackets. The speakers weigh  
38.5 pounds (17.5kgs) each, and can cause death or severe injury if it  
falls on someone! We suggest either brackets that we supply for flat-wall  
or corner mounting, or your installer may be able to recommend other  
forms of mounting.  
1.3 Connections  
The speakers should be connected directly to the speaker-level output  
of your power amplifiers using high quality speaker cables and the 5-  
way binding posts.  
The high-level thru-put binding posts on the speaker are for connecting it  
to a subwoofer. We recommend the Genesis ServoSub™ 2/12t as the  
perfect complement to this speaker. The S2/12t is designed for corner or  
sidewall loading – making it the ideal companion for a surround  
loudspeaker.  
1.4 Adjustments  
The G6.1sr has two knobs on the back – one sets the tweeter level, and  
the other switches the speaker between dipole, monopole, and remote-  
switchable operation modes. Set the tweeter level to the 12 o’clock  
position and the mode to monopole.  
Once you familiarize yourself with its performance, putting a little bit of  
additional effort into tuning the speaker properly for your system (which  
includes the room), will give you greater long-term enjoyment and  
benefits.  
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2 Setting up  
2.1 Positioning  
A good starting position is for the G6.1sr to be placed horizontally  
about 48 inches from the floor and approximately 10 degrees behind the  
listener, and at the same distance from the listener as the main L/C/R  
speakers.  
Use a good quality stand that is solidly built and as rigid as possible, or  
hang the speakers on extremely strong brackets on the wall. The  
Genesis ServoSub™ 2/12t is a unique subwoofer that complements the  
G6.1sr to turn it into a full-range absolute fidelity™ system.  
On the home theatre processor, set the speaker to “LARGE” as the  
G6.1sr will play to below 60Hz even without a subwoofer.  
2.2 Loudspeaker Controls  
The two knobs at the top of the plate on  
the back of the speaker tailor the high-  
frequency response of the G6.1sr and  
determines the mode of operation.  
2.2.1 Tweeter Control  
The tweeter control is subtle with only a  
one dB range, but it can make a great  
difference in gaining that last bit of additional performance in tuning your  
speakers for the system in which you are using them. They can turn  
your system from very good to exceptional, so take the time to work  
through this process.  
The left knob marked TWEETER is a volume control for the front tweeter.  
Turning this control clockwise will increase the level of the tweeters. Use  
this control if you need a bit more treble, or to increase the apparent  
space of the soundstage. Too high a tweeter level, and you can feel that  
voices are too sibilant. With music, crashing cymbals are leaping out at  
you, and nylon stringed guitars sound steely. Start with this control at the  
12 o'clock position. There is about a ±1dB range for this control.  
2.2.2 Mode  
The G6.1sr is a monopole/dipole surround speaker.  
When used primarily to reproduce movie sound effects, the speaker can  
be used in dipole mode. When set as such, the speaker sounds  
ephemeral and diffused. The G6.1sr incorporates a unique phase  
shifting crossover when used in dipole mode. In most surround  
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loudspeakers, bass is sacrificed when the speaker is switched to dipole  
mode. In the G6.1sr, however, the crossover splits the frequency at  
around 200Hz. The frequencies above 200Hz are inverted in phase,  
while the frequencies below 200Hz are kept in phase. This accounts for  
the phenomenal bass performance of this absolute fidelity surround  
speaker.  
For most music and even Dolby Digital™ and DTS™ use, we  
recommend that you switch the speakers to monopole mode. We  
prefer this even for movies because the rear and surround  
channels typically produce more music and voices than sound  
effects even when watching DVDs.  
When set in remote switchable mode, a 12V signal applied to the  
inner terminals at the bottom of the back-plate switches the speaker  
to dipole mode. The default mode is monopole.  
2.3 Tuning the system  
The best way to tune your system is to use music to tune the front  
left/right speakers. This way, you will have a system that will deliver  
audiophile quality playback. Then, using a full-range pink noise signal  
that can be generated by your player, processor, or a test disc, match  
the surround and center channels to the front left/right reference.  
The ear is a phenomenal measuring instrument. With a little practice, it  
will be easy to distinguish subtle differences in sound. The easiest way  
is to use a circular pink noise pan, like on the Chesky Ultimate Surround  
Set-up and Test DVD-Audio disc. The pan should sound seamless on a  
well set-up system.  
Every listening room is different, and we recommend that you take the  
time to carefully tune the system for the environment in which it is  
placed. Due to room idiosyncrasies, do not be afraid to set the left and  
right speakers to different levels.  
Setting the tweeter level at the “12 o’clock” position is “normal” and will  
be the position from which you can start tuning. With the controls in this  
position, they may not sound perfect, but your Genesis loudspeakers will  
sound great straight out of the box.  
If you have any questions, feel free to contact us at Genesis. Our  
website is the first place you can look to for more information, but you  
are welcome to either send us an email, or just give us a call!  
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3 The Technology used  
3.1 The Transducers  
The transducers in the 3-way G6.1sr are all proprietary Genesis-  
designed drivers manufactured to our exacting standards:  
3.1.1 The Genesis Ribbon Tweeter  
Reviewers in the audiophile press have often remarked that the Genesis  
circular ribbon tweeter is the world’s best. It is a one inch circular planar  
ribbon design crafted from an extremely thin membrane of Kapton® with  
a photo-etched aluminium “voice coil” that is a mere 0.0005 inch thick.  
The entire radiating structure has less mass than the air in front of it!  
That is why it will accurately reproduce frequencies beyond 36 kHz.  
The result of this design is a driver that has a rapid and uniform  
response to high frequencies and has the speed of the best  
ribbon/electrostatic designs, without the high distortion and poor  
dispersion that is typically associated with them.  
The G6.1sr uses three of these tweeters per channel, one on each of  
the front three faces. In monopole mode, only the front tweeter is  
employed. In dipole mode, the front tweeter is switched off, and the  
tweeters on the two side faces are turned on but out of phase to one  
another.  
3.1.2 Titanium Midrange  
We sometimes say that the midrange is a window into the mind of a  
composer or a singer. And indeed, the midrange is where the “magic” is  
in a well-recorded musical event.  
The G6.1sr uses a Genesis-designed proprietary 5 inch titanium-coned  
midrange to cover this critical frequency spectrum. Manufactured out of  
one of the lightest and stiffest materials known, this low mass cone  
driver is one of the best midrange transducers ever made, with nearly  
instantaneous transient response, enabling the G6.1sr to sound lifelike  
and effortless.  
The midrange is switched off in dipole mode.  
3.1.3 Aluminum-cone Woofers  
The G6.1c incorporates two 6.5 inch metal cone woofers. Made of a  
cone of solid aluminium, the suspension and voice-coil have been  
maximized for long, distortion-free excursion so as to increase dynamic  
range. Our aluminium cones are a magnitude stiffer than plastic or  
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paper cones, and virtually eliminate the problems caused by cone  
bending and break-up.  
The woofers work in either monopole or dipole mode. When the G6.1sr  
is switched to dipole mode, a unique phase shifting crossover channels  
the midrange frequencies above 200Hz to these woofers, running them  
out of phase.  
The frequencies below 200Hz are kept in phase in order to maintain the  
bass response of these speakers.  
3.2 Crossover  
The crossover is the brain of the loudspeaker. In order to manage and  
maximize the performance of the extensive complement of transducers  
used in Genesis loudspeakers, we spend more money on the crossover  
than many other manufacturers put in their entire speaker even at the  
same price range.  
Each crossover is designed by computer modelling plus years of  
knowledge and experience. The inductors are designed and made for  
Genesis with OFC copper windings. The capacitors used are also  
custom made for Genesis, using high-quality polypropylene-film and tin-  
foil. The crossovers in each G6.1sr weighs over seven pounds (3.2kg)!  
More importantly, the crossovers are designed with many, many hours  
of music listening and constant refining, tuning and tweaking of the  
circuit. Out of this comes the “magic” that is a Genesis-designed  
loudspeaker system. For example, by going the more expensive route  
of using several smaller capacitors in parallel instead of a single large  
one, transparency and musicality were improved.  
The G6.1sr actually employs three totally separate crossovers. This  
accounts in part for its absolute fidelity performance. In monopole mode,  
a single 3-way crossover powers the front tweeter, midrange, and two  
woofers.  
When set in dipole mode, two crossovers are used. One drives one face  
of the speaker with a tweeter and woofer. The other is a unique phase-  
shifting crossover that splits the frequency range at approximately  
200Hz. The frequencies above this are driven out of phase to the other  
face, creating the dipole effect. The frequencies below 200Hz are in  
phase to the other face in order to maintain the bass performance.  
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3.3 Vibration-free Cabinet  
The cabinet was designed for aesthetics, but with an obsession to sonic  
quality, vibration control, structural strength and rigidity.  
In some parts of the cabinet where vibration would have been the  
greatest, 1½ inches (36mm) of multi-layer bonded MDF was used to  
provide damping, structural integrity and a rigid platform for the drivers to  
be located. Extensive bracing was carefully incorporated using 12mm  
slabs of MDF to eliminate cabinet flex and panel resonance.  
Incidentally, MDF was chosen as the material of choice for its damping  
properties and its consistency in hardness, density and rigidity. It would  
actually have been cheaper and easier to make the cabinet of solid  
wood, but that would have been a compromise.  
Genesis designed a unique tongue  
and groove joint in order to improve  
the structural rigidity of the cabinet.  
Crystalline glue the dissolves into the  
mdf was chosen to ensure that the  
interfaces between two panel pieces  
becomes as one. This results in the  
entire enclosure behaving as a single  
unit, with seemingly no discontinuity in  
material.  
This results in a joint so strong that  
when you try to rip the joint apart, it  
isn’t the joint that would break. The  
mdf would break apart first.  
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4 Specifications  
Frequency Response:  
55Hz to 36kHz, 3dB  
89 dB, 1 watt 1 meter  
75/500 watts per side  
Sensitivity:  
Min/Max Power (Tube):  
Min/Max Power (Solid State): 100/1000 watts per side  
Input Impedance:  
HF Transducers:  
4 ohms (Nominal)  
Three Genesis 1” Circular Ribbon  
Tweeters (front and two side)  
Midrange Transducers:  
LF Transducers:  
Controls:  
One Genesis 5” titanium cone  
midrange  
Two Genesis 6.5” aluminium  
cone  
Tweeter level  
Monopole/Dipole/Remote Mode  
Inputs:  
High-level with 5-way binding posts  
12v trigger for remote operation  
Throughputs:  
Dimensions:  
Weight:  
High-level with 5-way binding posts  
H 14½ “ x W 20½” x D 12”  
38.5 lbs (17.5kg) per side  
Finishes:  
Rosewood, Olive Ash or  
Pomele Sapele with Satin black;  
Standard and custom  
automotive paints  
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