Crystal Audiovideo Home Theater System SmArt User Manual

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S mAr t  
H o me Th e at e r S ys t e m  
In s t r u c t io n s Ma n u a l  
CRYS TAL AUDIO VIDEO LTD. LO NDO N.UK  
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Precautions  
$Before connecting the subwoofer unit to a power outlet, make sure that the operating  
voltage of the local power supply is identical to that specified for the subwoofer.  
$Ensure that your amplifier is switched off, before connecting the speakers.  
$Turn off the subwoofer before connecting the input signal cable on its internal amplifier.  
$Make sure that you have connected the plus (+) and minus (-) terminals of each speaker  
to the corresponding plus (+) and minus (-) terminals on the amplifier.  
$Make sure that all screws on the binding posts are tight enough, especially if you are  
using bare speaker wires. A contact between bare speaker wires may cause short-circuit and  
potentially damage your equipment.  
$Avoid the use of your amplifier in its power limits. Especially, in the case that your  
amplifier is of low power, the continuous use in high power levels can cause distortion of the  
signal, amplifier clipping and may cause severe damage to your speakers  
$Therefore, high power amplifiers are more preferable.  
$Do not drive speaker units with a continuous wattage exceeding the maximum power  
indicated in this instruction manual for each speaker model.  
$Use the best speaker and interconnect cables you can afford.  
$Do not place loudspeakers in dusty or humid environments.  
$Avoid exposure to direct sunlight.  
Caution: Your SmArt speakers come with electronically protected tweeter in order to avoid  
problems of overheating that can cause their destruction.  
However for even greater protection, avoid extremely high volumes in your amplifier that can  
distort your sound signal or cause severe damage to your amplifier and your speakers.  
3
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1. Introduction  
Congratulations!!!  
Your Crystal Audiovideo speakers are built to the highest specifications standards meet-  
ing any technological requirements for Hi-End sound reproduction at any price.  
You will experience state of the art multichannel sound performance as the director of  
the movie or the creator of the music tune intended. Crystal Audiovideo speakers provide  
every music note of enjoyment that you expect from high performance speakers, and that you  
paid for.  
1.1 SmArt Systems with THX-SUB Speaker System  
SmArt Speakers are designed to be used perfectly with the THX select certified  
Subwoofers offering that way supreme THX quality in affordable prices. SmArt speakers are  
not THX certified because of their small shape and the set of the amplifier's crossover at 120  
Hz instead of 80 which is the requirement for the THX certification.  
SmArt speakers have the extra ability to change their side panels making them able to  
change colour whenever you change decor without having to change the entire speaker sys-  
tem! Just remove the side panels as you remove the grille from the speaker, replace them  
with new ones of different colour and your speaker will transform to a new one according to  
your aesthetics!  
The sound integration is excellent with your THX-SUB subwoofer supporting flat anechoic  
response from 35Hz to 200Hz and accurate in room response from 19Hz to 350Hz. So they  
reproduce either the sound of music or movies with the authority of larger and more expen-  
sive speakers.  
Your SmArt & THX-SUB System not only use THX technology for the low frequencies but  
also the best Hi-End 'Small' Towers for the mid and high frequencies supporting:  
Electronic protection  
$
$
$
$
$
for the tweeter and the woofer.  
Magnetic shielding  
.
Absolutely flat  
frequency response.  
Wide horizontal dispersion  
to hear full and flat frequency response across the room.  
Controlled vertical dispersion  
to diminish the ceiling and floor reflections and provide  
superior imaging.  
High power  
High Sensitivity  
Removable side panels  
200WRmsMax/200Hz  
for safe operation with powerful AV Receivers.  
very important for low power AV Receivers.  
$
$
$
handling  
in 4 different (silver, dark cherry, maple, black) for easy change  
of colour and style whenever you change decor.  
THX is a trademark or registered trademark of THX Ltd. All rights reserved.  
SmArt is not a THX certified Product  
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1.1.1 SmArt Speakers  
Your SmArt system is available in 2 different versions that include the following speakers:  
SmArt 8 System  
1.  
2.  
$SmArt Tower Speakers with 8 woofers for the front and surround channel.  
$SmArt-4 Speakers for the center channel.  
SmArt 4 System  
$SmArt Tower Speakers with 4 woofers the front and surround channel.  
$SmArt-4 Speakers for the center channel.  
2. Positioning your SmArt Speakers  
The sound fields generated by a multichannel audio system surround the audience  
and create a three dimension audio image. In order to get the maximum accuracy and fidelity  
that you have paid for, you should follow a careful set-up procedure. You will always be  
rewarded.  
$Ideally the five speakers are equidistant from the listener and generate identical sound  
levels when fed an identical signal.  
$In real life the speakers may not be equidistant; time delays must be employed, ensuring  
that sound from all speakers arrives to the listener's ears at the same time. The sound field  
must be homogeneous and controlled.  
SmArt & THX-SUB speakers will provide Hi-End performance multichannel sound in small  
to medium size rooms.  
Figure 1: Speaker placement  
5
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2.1 Placement of SmArt-Tower for Front Right and Left Channels  
Always follow the rule of thumb as is shown in figure 1 (page 5)  
1.  
2.  
3.  
Place your SmArt speakers equidistant from the TV/Projector screen.  
Measure the distance between your Left and Right speakers (LR).  
Measure the distance between your listening position and the middle point between your  
Left and Right speakers (PM).  
4.  
5.  
The difference in length of the above distances should be no more than 15%.  
Angle your speakers inwards and towards the listeners. Find the optimum angle that pro  
duces the best sound.  
6.  
Adjust your speakers so that the tweeters are at about the same height as your ears when  
sitting at the listening position - if possible.  
7.  
To reinforce lower frequencies move the speakers towards the room boundaries. To reduce  
lower frequencies do the opposite  
8. Do not spread your speakers too far apart otherwise you get a hole in the center image.  
9. Do not place your speakers too close together otherwise the sound stage collapses into a  
fuzzy mono sound.  
2.2 Placement of SmArt-4 for center channel  
$TV screen: Place your SmArt-4 speaker directly above or below the screen wherever is  
closest to ear level.  
$Projector screen: Place your SmArt-4 behind or in front of the centre of your screen  
whether the screen is acoustically transparent or not.  
2.3 Placement of SmArt Speakers for Surround Right and Left Channels  
Your SmArt speakers are also used for the surround channels and are optimized to offer an  
enveloping surround field.  
1.  
2.  
Place the speakers slightly behind the primary listening position.  
Adjust the speakers to fire towards each other behind the seating area.  
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2.4 Placement of SmArt-4 on the wall  
Because of their smart design the SmArt-4 speakers can also be placed on the wall as a  
center (horizontal placement) or a surround speaker (vertical placement).  
Additionally, by removing the side panels it can be enwalled making its appearance even  
more diacritic.  
Figure 2: On-wall placement of SmArt-4 in vertical or horizontal position  
7
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3. Speakers Connections  
IMPORTANT  
All connections  
should be made with  
the equipment  
switched off.  
Figure3: Speakers Connections  
Connections to the loudspeaker system are made at the terminals located at the rear panel of  
the enclosure. These terminals permit a variety of connection methods.  
1. Single - wire: ensure that the positive terminal on the speaker (marked + and  
coloured red) is connected to the positive output terminal of the Receiver. Similarly, the neg-  
ative speaker terminal (marked - and coloured black) should be connected to the negative  
Receiver terminal. Incorrect connection can result in poor imaging and reduced bass output.  
Bi - wire:  
2.  
remove the links by loosening the speaker terminal caps and use a separate  
2-core cable from the Receiver to each pair of terminals. This can improve the resolution of  
low-level detail. Always observe the correct polarity. When bi-wiring, incorrect connection can  
also impair the frequency response.  
Make sure that you choose the correct output speaker terminals on your Receiver to con-  
nect your SmArt speakers.  
For the front left and right speakers:  
$
Use the front right and left speaker output termi-  
nals on your Receiver to connect two SmArt-Tower speakers.  
For the center speaker:  
connect your SmArt-4 speaker.  
For surround speakers:  
$
Use the "center" speaker output terminals on your Receiver to  
Use the two "surround" speaker output terminals on your Receiver  
$
to connect two SmArt-Tower or your SmArt-4 speakers.  
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4. Operation between AV Receivers & your THX-SUB subwoofer  
THX certified and not certified Dolby Digital/DTS Receivers also include Crossover  
Frequency Controls to set at different low frequencies the roll off point of the signal led to  
the subwoofer.  
Operation Mode  
THX  
position if you have a THX  
$Set the  
on your THX-SUB subwoofer to  
amplifier or to VAR position if not. The VAR position offers independent control of the  
subwoofer's volume through the rotating switch at the rear side of it.  
Phase  
$Set the  
switch of you THX-SUB to Normal position.  
Surround Setup  
channel level  
$Proceed to the  
on your Receiver "Menu" to calibrate the  
,
delay and size. In many systems delay calibration is taking place in m (meters from the  
hearing position). For further details consult your amplifier's manual.  
$Adjust the crossover frequency between 120Hz and 150Hz on the Crossover Frequency  
Control  
of your Receiver. Setting the crossover frequency at 120Hz ensures better perf  
ormance of the Subwoofer making it more flexible to place in different locations in your  
room. Setting the crossover frequency at 150Hz ensures bigger output power with the  
restriction that the subwoofer is placed near the speakers.  
$The adjustment of crossover frequency is taking place through a technique that is  
called bi-amplification, resulting in the improvement of the frequency response of a home  
cinema. Additionally bi-amplification lowers the signal distortion and increases the  
dynamic area. Through that technique, the lower frequencies are being amplified exclu  
sively by the built-in subwoofer's amplifier.  
Note:  
For further details according to the proper adjustments and placement of THX-SUB in  
space, please refer to the subwoofer's manual.  
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5. Side panels for SmArt 4 and SmArt 8 speakers  
Crystal SmArt speakers offer you the additional ability to change their color and fin-  
ishing by changing their side panels into different colors, so that they match with your room  
and aesthetics.  
The side panels have their own individual packaging. They can be easily removed and  
replaced through the catchers in the side of the speakers as is being displayed in the here  
below figure.  
In order to adjust the side panels on the cabinet:  
$Follow steps 1 to 4  
$Make sure the panels are thoroughly attached on to the speaker cabinet to avoid  
unwanted vibrations.  
Specifications  
10  
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6. Room Acoustics Designer® (Loudspeaker Placement Interactive Software)  
Room Acoustics Designer®  
is a unique  
interactive software developed by Crystal  
Audiovideo.  
choose different  
, according to his/her  
Through it, the user can  
types of speakers  
preferences and his/her room dimensions  
At the same time the user is properly con-  
correct placement of the  
in the room based on the room  
sulted for the  
speakers  
dimensions, furniture e.t.c.  
Room Designer® is more than a simple  
program that selects loudspeakers based  
on the input of the user.  
$Takes into consideration the fur-  
nishing of the room and the dimensions  
of the video display or TV, to place the  
loudspeakers in optimal locations.  
$Offers the suggestions to the user  
friendly graphical way.  
in a  
$Ά When the user changes the lis-  
tening position, then simultaneously all  
the components of the system (display,  
speakers) are moved, so that the  
acoustic rules are observed.  
Room Designer  
is patented software, accessible free of charge at Crystal Audiovideo's web  
11  
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7. Home Theatre Handbook  
Home  
If you are interested in setting up a  
Cinema  
for your entertainment, this book  
offers all the necessary information to  
make an educated selection of equipment  
and to avoid the pitfalls of purchasing out-  
dated, or inappropriate for your needs com-  
ponents. The book provides all the back-  
ground information and the latest develop-  
expert  
ments to make you an  
THEATRE subject.  
on the HOME  
You will be able to distinguish sales hype  
from facts and valuable features from mar-  
keting tricks.  
This book includes:  
$an innovative training system  
$over 350 Questions and Answers  
$many Frequently Asked Questions & Answers  
$over 100 colour drawings and photos  
Cr ys t a l Au d io vid e o Lt d .  
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