KOI Speaker System TIGER Powered Speaker System User Manual

®
TIGER  
Powered Speaker System  
Owner’s Manual  
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Thank You  
Features  
…and congratulations.  
®
The Tiger Satellite…  
The KOI Tiger is a limited-production professional-quality mini-monitor that  
represents the state-of-the-art in compact speaker system design. It is the  
product of many years of advanced amplifier, transducer, and enclosure devel-  
opment, as well as extensive research into psychoacoustics. Please take a few  
minutes to read this manual. With proper use and care, your KOI Tiger will  
provide you with many years of reliable service and superior musical enjoyment.  
employs the unique KOI HQ driver—the world’s smallest transducer capable  
of full-range reproduction.  
delivers high power handling, high sound output capability, and high reli-  
ability thanks to patented KOI technologies.  
features a compact, elegantly styled enclosure with unique physical charac-  
teristics that further ensure outstanding sound quality.  
Components  
After you have unpacked the carton, check to make sure it contains the  
following items:  
performs as an ideal “point source” of sound, delivering wide energy disper-  
sion for better stereo in all listening locations.  
is magnetically shielded for use near computer and TV monitors.  
can be easily mounted on any wall or ceiling.  
Amplifier (Model KTG2)  
Woofer (Model KWTG2)  
features sophisticated, modern styling that complements virtually any  
household décor.  
Left and right satel-  
lite speakers (Model  
(KS-TG2)  
The Tiger Woofer…  
uses advanced KOI technology to produce smooth, natural-sounding bass  
from a surprisingly compact enclosure.  
AC power cord  
delivers deep, tight bass, fully capable of meeting the demands of a wide  
Phono-Mini 1.5m  
(59 in.) input cable  
(dual phono plugs  
to single stereo  
range of music spectra.  
features an elegant, small-footprint design with many placement options to  
minimize living/working space intrusion.  
miniplug, shielded)  
The Tiger Amplifier…  
Mini-Mini 3m (10 ft.)  
input cable (stereo  
miniplugs at both  
ends, shielded)  
incorporates KOI Human  
PsychoAcoustic® technology to  
deliver musically accurate, recogniz-  
ably “correct” sound reproduction.  
Two flat speaker  
cables, 6m (19 ft.)  
and 4m (13 ft.), for  
amplifier to satellite  
speaker connection  
efficiently delivers precisely needed  
power to the satellite speakers and  
the woofer, creating robust acoustic  
output with minimal power con-  
Woofer  
Satellite  
Amplifier  
Satellite  
(inline 3-pin con-  
nector to phono plug)  
sumption.  
accommodates a wide variety of input sources with convenient front and  
Flat wide 4.5m (14 ft.) cable for amplifier to woofer connection (inline 8-pin  
rear panel connectors.  
connectors at both ends)  
features a sleek, compact design that enables the Tiger system to be easily  
Please contact KOI immediately if any items are missing.  
installed and integrated in just about any listening environment.  
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Placement  
The advanced acoustic design of the Tiger makes component placement  
non-critical: Any reasonable location of the satellites and subwoofer will yield  
superb stereo reproduction in most listening rooms.  
There is no “rule” as to which should be left and right. In critical monitoring  
applications, you may notice subtle differences, depending on the listening  
environment and source material. For example, facing the passive radiators  
“inward” toward each other may result in a more focused stereo image. Con-  
versely, facing the passive radiators “outward” toward the side walls, may result  
in a wider, more spacious soundstage presentation.  
Amplifier  
Place the amplifier unit on any convenient flat surface near your source  
component(s).  
You are encouraged to experiment.  
Woofer  
Satellites  
Like the satellites, the Tiger woofer can be  
placed within the listening room with great  
flexibility. As the acoustic output from the  
woofer is nondirectional, it is not necessary to  
have it centered between the two satellites.  
The compact KOI Tiger satellites can be placed in just about any available  
space in your room. Ideally, they would be placed along a common wall at  
the same height. For critical monitoring (near-field) applications, the satellites  
should be approximately at ear level. The satellites can be placed on shelves,  
on equipment racks, in wall units, over mixing consoles, etc. They can be  
placed as near or far from room boundaries as desired.  
The bass performance will be affected by  
the location of the woofer within your room,  
especially with regard to distances from room  
boundaries. Usually, the closer the subwoofer  
is placed to a room corner, the greater the  
perceived bass output. You should experiment  
with its location—in conjunction with adjust-  
ment of the BASS LEVEL control on the front  
panel of the amplifier—to achieve the most  
natural bass reproduction and overall balance.  
Greatest room boundary  
bass reinforcement  
The Tiger satellites are supplied in mirror-image pairs. Notice that each satellite  
speaker has a passive radiator along one side, protected by a grille. Although  
the contribution of the passive radiator to the overall sound is minimal com-  
pared to the main HQ drivers at the front of the satellites, they do produce  
some acoustic output.  
HQ Driver  
Partial room boundary  
bass reinforcement  
Least room boundary  
bass reinforcement  
Passive Radiator  
Passive Radiator  
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Connections  
Amplifier to Woofer  
Perform all audio connections with the Tiger’s AC cord unplugged.  
Use the flat woofer cable supplied  
with your Tiger system to connect the  
woofer unit to the amplifier unit. The  
connectors snap into place easily when  
properly oriented. Do not force them.  
Amplifier to Satellites  
Use the speaker cables supplied with your Tiger system to connect the  
satellites to the amplifier unit. Notice that one cable is longer than the other  
to accommodate asymmetrical component placement (where one satellite is  
closer to the amplifier than the other).  
Woofer Rear Panel  
If necessary, you can purchase extension speaker cables pre-wired with male  
and female RCA phono connectors at most electronics supply stores, such as  
Radio Shack. Do not use shielded cables for this purpose as they may adversely  
affect audio performance.  
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Connections  
Source Components to Amplifier  
Front Panel DC Output  
The Tiger accommodates just about any audio source. You can connect the  
Tiger to personal portable CD, MiniDisc, or tape players, MP3 players, mini-  
component and portable stereo systems, component CD and DVD players,  
televisions, personal computers, game consoles, MIDI instruments and mod-  
ules, mixing consoles, recording devices, and many other sources.  
Included on the front  
LINE input panel of the  
amplifier is a convenient  
DC Output connector.  
It is a standard USB  
connector, as found on  
There are three sets of stereo inputs on the Tiger. The LINE input on the front  
panel and the AUX input on the rear panel of the amplifier unit are recom-  
mended for use with most consumer audio equipment. The AUDIO input on  
the rear panel is better suited for source components that provide a high-level  
signal, such as professional audio equipment with standard 0dBu (.775V) line-  
level output or the amplifier or headphone outputs of some consumer audio  
products.  
personal computers, but its sole function is to supply DC power to portable  
source devices, such as some MP3 music players. If you have a player that can  
derive power from a USB connection, you can use this DC Output instead of  
internal batteries or a separate AC adapter to power your device.  
Do not attempt to power larger devices that require high current using the  
Tiger’s DC Output.  
AC Power Connection  
After you have made all satellite, woofer, and input connections, plug the  
female end of the supplied AC power cord into the matching connector on the  
back panel of the Tiger woofer. Make sure the power switch/volume control  
on the amplifier is in its OFF position (fully counterclockwise). Then, plug the  
other end of the power cord into a wall outlet.  
About Program Sources  
If you find that the sound is too loud with the AUX or LINE input, even at low  
volume control settings, try using the AUDIO input.  
Some sources, such as mini-component and portable stereo systems, have  
no line-level outputs—only speaker outputs. If you plan to connect the Tiger  
to such a high-level source, you should use the AUDIO input along with the  
appropriate adapter cables. In some cases, with very high level amplifier  
outputs, it will be necessary to use an adapter with an attenuator designed to  
protect the Tiger’s input from overload. If you need such an adapter, please  
consult an audio specialist.  
Front Panel LINE Input  
The Tiger amplifier unit features a convenient front-panel LINE input that  
accommodates portable source components, such as MP3 players, that will be  
frequently connected and disconnected from the system.  
You can use either the two left/right phono jacks or the adjacent stereo mini-  
jack to make the LINE connection. You can even have two different source  
components connected to both the phono jacks and the mini-jack. Note,  
however, that the phono jacks are disconnected when the mini-jack is in use.  
If you have the choice between using low-level (“line”) outputs or higher level  
(e.g., headphone) outputs on any source device, choose the former as they  
will likely provide a cleaner, better-sounding signal. You can have all three sets  
of inputs connected to different sources at the same time. You will be able to  
switch among them using the Tiger’s input selector control.  
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Operation  
Specifications  
Model Designation:  
KOI Tiger Powered Speaker System (Type 2)  
Powering Up  
Active Driver Complement:  
Turn the Tiger system ON by rotating the power switch/volume control clock-  
Satellites (each)  
One KOI proprietary HQ full-range driver,  
wise just past the “click.” Blue light behind the main amplifier control knobs  
will illuminate to indicate the system is ready for operation. Leave the volume  
control at minimum initially.  
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approx. 2.5 sq. in. / 16 cm radiating area  
Subwoofer  
One KOI proprietary bass driver, approx.  
4.7 in. / 12 cm diameter  
Listening to Your Program Source  
Make sure the input selector is set correctly, corresponding to your connected  
source. Then, start playing your music source. If the source component has its  
own volume control, advance it partially.  
Input Sensitivity:  
220 mV (Aux and Line phono jack inputs)  
775 mV (Audio input)  
110 mV (Front panel Line minijack input)  
Dimensions* (WxHxD):  
Satellites (each)  
Subwoofer  
3.0 x 3.2 x 6.2 in. / 75 x 80 x 156 mm  
7.9 x 9.5 x 13.7 in. / 200 x 240 x 347 mm  
9.1 x 2.0 x 5.2 in. / 230 x 50 x 130 mm  
Gradually turn up the volume control on the Tiger amplifier. If the source com-  
ponent has its own volume control, find a setting that gives you the desired  
range of adjustment with the Tiger’s volume control.  
Amplifier  
Weight:  
Set the bass level control on the lower front panel to achieve a natural, bal-  
anced sound. Experiment with woofer placement, if desired, to fine-tune  
system performance. For more information, please refer to the section of this  
manual on woofer placement (page 5).  
Satellites (each)  
Subwoofer  
Amplifier  
2.5 lb. / 1.2 kg  
11.3 lb. / 5.1 kg  
2.3 lb. / 1.1 kg  
Power Requirement:  
100V, 120V, or 220-240V AC, 50/60 Hz,  
according to country of sale  
Input Select  
Power ON / Volume UP  
Power Consumption:  
35 W  
*Dimensions do not include protruding parts.  
All features and specifications are subject to change without notice.  
Increase Bass  
Care  
No special maintenance procedures are required for the KOI Tiger. If you wish  
to wipe the surfaces of the amplifier, satellites, or woofer, do so only with a  
clean, soft, dry cloth. Do not use solvents or detergents.  
In Case of Difficulty…  
Volume DOWN / Power OFF  
If you suspect there is a problem with your KOI Tiger system, please disconnect  
AC power and contact your nearest KOI service center. A technical support  
representative will help you identify which item(s) must be returned for service.  
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