TAD GRAND EVOLUTION ONE Manuale utente
2
BEFORE YOU START
Thank you for buying this TAD product. Please read through
these operating instructions so you will know how to operate your
model properly. After you have finished reading the instructions,
put them away in a safe place for future reference.
'This speaker system has an impedance of 4 ohms, and
should be connected only to an amplifier designed with a
load impedance of 4 ohms (the amplifier’s speaker output
connector should clearly be labeled “4 ohms”).
In order to prevent damage to the speaker system resulting from
input overload, please observe the following precautions:
'Do not supply power to the speaker system in excess of the
maximum permissible input.
'Always turn off the amplifier power whenever connecting this
unit or other components to the amplifier.
'Be careful not to overload the amplifier by playing at high
sound levels, as the amplifier’s harmonic distortion will be
increased and you may damage the speaker.
Caution: installation
'Do not place the speaker on an unstable surface. It could
present a hazard if it falls, as well as potentially damaging the
equipment.
'Do not attach these speakers to the wall or ceiling. They may
fall off and cause injury.
'Switch off and unplug your AV equipment and consult the
instructions when connecting up components. Make sure you
use the correct connecting cables.
'Technical Audio Devices, Inc. is not responsible for any
accidents or damage that result from improper installation,
misuse or modification of the product, or natural disasters.
Caution: in use
'Do not allow the speaker to output distorted sound for long
periods of times. This is an indication of using excessive power
and can result in a fire hazard.
'Do not sit or stand on the speaker, or let children play on the
speaker.
'Do not put large or heavy objects on top of the speaker.
'Do not place magnetic objects such as screwdrivers or iron
parts near the tweeter or midrange. Since the speakers use
strong magnets, the objects may be attracted, causing injury
or damaging the diaphragm.
IMPORTANT NOTICE
THE MODEL NUMBER AND SERIAL NUMBER OF
THIS EQUIPMENT ARE ON THE REAR OR BOTTOM.
RECORD THESE NUMBERS IN THE SPACE BELOW
FOR FUTURE REFERENCE.
MODEL NO.
SERIAL NO.
D36-AP9-2_A1_En
For European model
If you want to dispose this product, do not mix it with general household waste. There is a separate collection system for used
electronic products in accordance with legislation that requires proper treatment, recovery and recycling.
P
rivate households in the member states of the EU, in Switzerland and Norway may return their used electronic products free of charge to
designated collection facilities or to a retailer (if you purchase a similar new one).
Fo
r countries not mentioned above, please contact your local authorities for the correct method of disposal.
By doing so you will ensure that your disposed product undergoes the necessar
y treatment, recovery and recycling and thus prevent potential
negative effects on the environment and human health
.
K058b_A1_En
3
English
Parts Included
Check that the following items are included:
BEFORE YOU START........................................................ 2
Parts Included.........................................................................3
INTRODUCTION ............................................................... 4
TAD Grand Evolution One Features ......................................4
INSTALLATION AND CARE.............................................. 5
Installation...............................................................................5
Choosing Where To Place The Speakers..............................7
Speaker care ...........................................................................7
CONNECTING THE SPEAKERS ......................................... 8
Input terminal specifications.................................................8
Single-Wire Connections .......................................................8
Bi-Wire Connections ..............................................................9
Bi-Amplification Connections .............................................10
Vertical Bi-Amping...........................................................10
Horizontal Bi-Amping ......................................................11
OPTIMIZING THE SYSTEM............................................. 12
Improving Bass Performance..............................................12
Improving Imaging ...............................................................12
Final Optimization ................................................................12
SPECIFICATIONS ............................................................ 13
'This Owner’s Manual x 1
'Cleaning cloth x 1
'Woofer grille x 2
WARNING
Store small parts out of the reach of children and infants.
If accidentally swallowed, contact a doctor immediately.
Note
Included parts may vary slightly by region.
CONTENTS
Accessory folder
'Warranty card (This warranty is valid only in Japan.)
'Shorting links x 2
'Spike x 3
'Spike receptacle x 3
'Auxiliary feet x 2
4
Inspiring the joy of listening
Technical Audio Devices Laboratories, Inc. (TADL) grew from
the spirit to discover technologies to perfectly recreate the pure
sound of life performances with uncompromising craftsmanship.
We have inherited our philosophy from Bart Locanthi –recognized
across the globe as the ultimate sound technologist–who
believed that genuine technology is true to the basic and that
genuine technology places greater importance on sound quality
than on technology for its own sake. At TADL, we are honing our
technology to create equipment that reproduces musical sounds
that evoke both the energy and impact of life music.
TAD Grand Evolution One Features
TAD-GE1 is the speaker system by using the accumulated
acoustic technology in TAD’s past history and advanced
audio technology in order to realize the emotional sound.
1. Coaxial speaker unit with “CST*1 driver”
The unit is equipped with a coaxial speaker unit “CST driver”
that reproduces controlled directivity over a wide bandwidth
from a phase-matched point, reproducing stable localization
and a natural sound field space. The cone shape of the
midrange is designed to control the directivity of the coaxially
placed tweeter, and by matching the phase and directivity
characteristics of the tweeter and midrange crossover, a
natural attenuation characteristic and directional radiation
pattern are achieved over the entire bandwidth, making the
CST driver alone capable of ultra-wideband reproduction
from 250 Hz to 100 kHz. The CST driver is mounted in a low-
diffraction shaped enclosure to maximize its performance.
Furthermore, ISO (Isolation) drive technology reduces
vibration transmission from the CST driver to the enclosure,
enabling the reproduction of a clear, uncluttered airy sound.
2. Beryllium tweeter and magnesium midrange
diaphragms
The tweeter features a light-weight, highly rigid beryllium
diaphragm. Utilizing our proprietary vapor-deposition process.
The combination of stiffness, low mass, and high internal
damping ensures that the diaphragm resonances are well
controlled and placed well above the range of audibilty.
Magnesium is utilized for the midrange diaphragm. It’s
combination of stiffness, low mass and durability ensure
that the midrange is similarly reproduced with freedom from
resonace and distortion.
INTRODUCTION
3. Adoption of MACS II*2 diaphragm in the woofer
The woofer adopts a MACS diaphragm laminated with
multiple layers of lightweight and highly rigid aramid fiber
and the center cap and cone are integrated into a shell shape
to achieve a rich bass sound reproduction and clear mid-low
frequency reproduction.
4. “SILENT*3 Enclosure” for low resonance
The cabinet uses a SILENT enclosure that achieves high
strength and low resonance by combining high-rigidity
birch plywood for the framework and MDF materials for high
internal loss. In addition, AFAST*4is employed to analyze
standing waves inside the enclosure and reduce low-order
modes. Internal standing waves, which have a negative
impact on the sound image and sound field, are suppressed
by selecting and effectively arranging the optimal sound-
absorbing materials.
5. “Bidirectional ADP*5 System”
A port for bass-reflex operation is located at the bottom of
the enclosure. Horn-shaped openings in the front and rear,
consisting of a 15mm-thick base plate, the bottom of the
enclosure, and a horn plate made of die-cast aluminum,
provide natural and rich bass sound reproduction.
*1 CST: Coherent Source Transducer
*2 MACS II: Multi-layered Aramid Composite Shell (2nd generation)
*3 SILENT: Structurally Inert Laminated Enclosure Technology
*4 AFAST : Acoustic Filter Assisted System Tuning
*5 Bidirectional ADP: Bidirectional Aero-Dynamic Port
5
English
INSTALLATION AND CARE
Installation
Installation on floor or rack
An aluminum plate is fixed at the bottom of the cabinet of speaker
system. When the floor is flat, it can be installed as it is. Moreover,
spike, spike receptacle and auxiliary feet are attached to the
speaker system and hence the most suitable installation method
according to the status of installation surface can be selected.
Decide the installation method by referring to the following
matter.
Spike Installation place How to use
Cone shaped spike
28 mm
A carpeted floor
with no scratches
or the place where
scratches are
allowed
Use by pushing a spike
into the carpet.
Flat place To avoid scratches on
the installation surface,
use the supplied spike
receptacle.
Do not use spike Flat place Arrange a non-slippery
sheet and lay it on the
floor.
Precautions regarding the
installation location
Avoid environments with high humidity, excessive
dryness, rapid temperature changes, and strong
ultraviolet rays.
Such conditions may result in shrinkage of the wood
materials and finish, leading to deformation of the
enclosure, discoloration, or damage to the speakers.
Avoid installing this unit in the following locations:
'Places exposed to direct sunlight
'Places near heating devices
'Places directly under an air conditioner or where the
unit is exposed directly to blowing air
'Places with poor ventilation and a lot of humidity and dust
Conditions considered unpleasant by humans are
detrimental to speakers as well. Providing a comfortable
environment for the speakers will assist them in
demonstrating their best performance. Please maintain
the usage environment as follows:
Temperature: 15 °C to 25 °C (59 °F to 77 °F)
Relative Humidity: 35 % to 65 % (winter)
40 % to 70 % (summer)
Precautions during
installation
'The total weight of this speaker system is 64kg (141.1 lb).
Before installing, confirm that the installation location is
fully capable of supporting this weight
'As the weight of this speaker system is 64kg (141.1 lb), 2
or more persons should install the spike when installing
it by tilting. At the time of installing, take care not to
pinch fingers between the speaker system and see that
speaker system does not fall.
'Avoid touching the front surface of speaker units,
since you may deform or damage the enclosure mesh
or speaker diaphragms.
'Moreover, when spike is used, a load of 21kg(46.3 lb)
or more is applied per spike and hence traces or dents
may remain at a place where the speaker system has
been installed. To avoid scratches, use supplied spike
receptacle or arrange strong enough standby spike
receptacle with large installation area per spike.
'Using a spike in the speaker system may cause
scratches on the floor while moving it, so remove the
spike and auxiliary feet before moving the speaker
system.
6
Installing and removing the woofer grille
A magnetically-attached woofer grille is included in the package.
Magnets are embedded at six locations as shown in the figure
below.
How to install: Install the woofer grille so that the magnets are
positioned as shown in the figure below.
How to remove: Pull the grille toward you to remove it as shown in
the figure below.
Please remove the woofer grille when using or cleaning this
speaker system. Also, if you apply horizontal force while it is
attached, the grille may fall.
Installation of Spikes
Caution
Please be sure to screw all the way in when installing spikes.
The installation surface can be securely established by using
spikes.
Spikes are screwed into three aluminum base screw holes at the
bottom of the cabinet.
Installation can be performed with no rattling of the installation
surface and requiring no fine adjustment of spike heights, by
providing support at three locations.
Once the installation location is decided by referencing the
section about Choosing Where To Place The Speakers on page 7,
install the spikes and the auxiliary feet.
Auxiliaryfeet
1. Screw in spikes at three locations on the bottom surface of the
aluminum base (two in front and one in back).
2. Install the auxiliary feet at the two rear locations, adjust the
length of the spikes so that they do not rattle, and tighten them
with nuts.
3. Place spike receivers at locations where spikes will be
positioned, then place the speaker on top of the spike receivers.
・
Place the speaker on top of something that would
not scratch it, such as a soft cloth, to perform
installation of the spikes.
・
Place spike receivers with the center indentation
facing up, as shown in the diagram below.
・
Using spikes without using spike receivers can
potentially leave scratches on the surface where the
speaker is installed, such as the surface of the floor.
CAUTION
Grille side Enclosure side
7
English
Choosing Where To Place The Speakers
Speaker placement within the listening room will have a great impact upon the total performance of the unit in terms of bass performance,
tonal accuracy, and imaging. All rooms are different and so this section is intended as a guide only. Experimentation in your room will yield
optimum results.
Begin by placing the rear of the speakers approximately one to two feet in from the front walls and the sides one to two feet in from the
side walls of your listening room, as shown in Figure 1. Your listening position should be roughly equal to the distance between the two
speakers. Also, turn the speakers inward so each axis points toward the listening position.
Next, connect the audio system as described in CONNECTING THE SPEAKERS on page 8. Then, optimize the speaker placement as
described in OPTIMIZING THE SYSTEM on page 12.
B
AA
Figure 1. Placement of a pair of speakers for stereo music listening
30 mm to 60 mm
Listening Position
(e.g., on couch)
Left
Speaker
Right
Speaker
30 mm to 60 mm 30 mm to 60 mm
・Distance “A” must be greater than distance “B”.
・
Each TAD Grand Evolution One is turned toward listening position.
Speaker care
The TAD Grand Evolution One speaker system has a meticulous mirror finish. If the enclosure collects dust or fingerprints, wipe them off
with the cleaning cloth provided.
CAUTION
'When dusting the cabinet, do not use cleansers, abrasives or chemically impregnated cloths.
'Contact with alcohol, benzene, insecticides or other chemicals may cause peeling or discoloration of the finished surface.
8
CAUTION
'When connecting speakers or other components, always turn off the power to the amplifier, and disconnect the power cord.
'Speaker cables are not furnished with this speaker system, and must be purchased separately.
'After connecting the speakers, gently pull on the speaker cables to confirm that each cable wire is connected securely to its
respective terminal. Loose connections may result in interrupted sound or noise.
'Do not allow wires from one connector or cable to touch those from another, since excessive load may be applied to the
amplifier, causing the amplifier to stop operating or be damaged.
'If the polarity (+/−) of either right or left speaker is mistakenly reversed when connected to the amplifier, the speakers will
be unable to produce proper stereo phase effect.
Input terminal specifications
This speaker system is provided with LF (Low-Frequency) input terminals for the woofer, and HF (High-Frequency) input terminals for CST
(Coherent Source Transducer) connections.
Single-Wire Connections
When adopting single-wire connections, use the furnished accessory shorting links to connect the LF input terminals (for woofer) to the HF
input terminals (for CST).
Use the shorting links to connect the upper/lower HF input terminals to the upper/lower LF input terminals as shown in Figure 2, then
connect the positive (+) speaker wire from the amplifier to either of the speaker’s red connector terminals, and the negative (−) speaker
wire from the amplifier to either of the speaker’s black connector terminals..
CONNECTING THE SPEAKERS
HF
LF
SPEAKERS OUTPUT
Figure 2. Connecting a TAD Grand Evolution One speaker in a single-wired system
TAD Grand Evolution One
Terminal Panel
Amplifier
(rear)
(one channel shown)
Shorting links
9
English
Bi-Wire Connections
When adopting bi-wire connections, the speaker cables from the amplifier are connected individually to the LF input terminals (for woofer)
and the HF input terminals (for CST).
Connect one set of speaker cables to the LF input terminals (for woofer). Then, connect the other set of speaker cables to the HF input
terminals (for CST). Finally, connect the respective speaker cables in pairs to the amplifier’s speaker terminals.
Take care to connect both (+) wires to the (+) amplifier terminals and both (–) wires to the (–) amplifier terminals, as shown in Figure 3.
CAUTION
• Remove the shorting links before connecting speaker cables in bi-wiring connections.
LF
HF
SPEAKERS OUTPUT
Figure 3. Connecting a TAD Grand Evolution One speaker in a bi-wired system
TAD Grand Evolution One
Terminal Panel
Amplifier
(rear)
(one channel shown)
10
Bi-Amplification Connections
When using a bi-amp configuration, a dedicated amplifier is connected to the LF input terminals (for woofer) and HF input terminals (for
CST). Two connection methods are possible, the “vertical bi-amp” method and “horizontal bi-amp” method.
WARNING
• Remove the shorting links before connecting speaker cables in bi-amplification connections. Failure to do so may result in
damage to your amplifiers.
Vertical Bi-Amping
With this configuration, identical stereo amplifiers are used for each speaker. One channel of each amplifier drives the low frequency
section and the other channel drives the high frequency section, as shown in Figure 4. Connect one set of speaker cables between the
amplifier’s Channel 2 (or 1) terminals and the speaker’s LF input terminals (for woofer). Then connect another set of speaker cables
between the amplifier’s Channel 1 (or 2) terminals and the speaker’s HF input terminals (for CST).
Take care to connect both (+) wires to the (+) amplifier terminals and both (–) wires to the (–) amplifier terminals.
HF
LF
SPEAKERS OUTPUT
INPUT
OUTPUT
INPUT
Ch.1 Ch.2
OUTPUT
Figure 4. Connecting a TAD Grand Evolution One speaker in a vertical bi-amplified system
TAD Grand Evolution One
Pre-Amplifier
(rear)
(one channel shown)
Pre-Amplifier
(rear)
Terminal Panel
“Y” Adaptor
(Not supplied)
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