Instrukcja obsługi Esoteric I-03

Esoteric odbiornik I-03

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Integrated Amplifier I - 0 3
Highly rigid, chassis construction that
inherits the K series engineering concept
*MSW= Master Sound Works
High sound quality structure from a multiple chassis design
Each circuit block is placed in a dedicated compartment. The
compartments are assembled three-dimensionally to minimize
interference between circuits and use the shortest signal paths.
The internal chassis is divided into five parts, with two separate
preamplifier boards for each channel mounted in dedicated
compartments closest to the rear connectors. This design
keeps the audio signal path short and direct. Two Esoteric MSW
power amplifier blocks are connected from the preamplifier
using the shortest signal path. These blocks are assembled in
dedicated compartments on both sides of the chassis and
mounted via aluminum plates on both side panels. Using the
side panels as heat sinks, this integrated amplifier efficiently
discharges heat without compromising its sleek form.
High-capacity power transformer and power section layout
for highest quality sound
The heavy-duty class, high-capacity power transformer is
installed in the center and fixed with a 5-mm thick steel base
plate on the bottom chassis. Also, the entire body is supported
at three points on Esoteric original pinpoint feet* to reduce
vibration and maximize high rigidity. Each component of this
integrated amplifier incorporates the housing design and
know-how applied for the K series (Super Audio CD/CD Player
K-01 and K-03). Esoteric has meticulously pursued high sound
quality and functionality up to the point of the placement of each
component. Esoteric has paid a lot of attention to details, even
in the unseen inner portions of this amazingly heavyweight, 31
kg (68.3 lbs.) integrated amplifier model I-03.
* Patent 4075477
Bold and delicately sleek round body form
Like the K series, this integrated
amplifier has inherited the round form
design of Esoteric flagship models.
Thick aluminum material has been used
for the front, top, side panels and front
corners. The preamplifier volume
control and input selector have been
machined from large-size aluminum
blocks. Precisely tooled, rounded ergonomic design offer both a
sleek appearance combined with an ideal balance of opera-
tional control.
ESOTERIC COMPANY
1-47 Ochiai, Tama-shi, Tokyo 206-8530, Japan
Fax: (042)356-9240
www.esoteric.jp
www.esoteric.teac.com/
Please note that Esoteric products are available at limited distributors in respective countries．
ESOTERIC is a trademark of TEAC Corporation, registered in the U.S. and other countries. Other company names, product name and logos are the trademarks or
registered trademarks of their respective owners.
©2011 TEAC Corporation. All Rights Reserved．All text, images, graphics and other materials on this catalogue are subject to the copyright and other intellectual
property rights of TEAC Corporation．These materials shall not directly or indirectly be published, reproduced, modified or distributed in any medium．
Design and specifications are subject to change without notice．
PRINTED IN JAPAN 0511T03•TECD-0133
Specifications
Speaker Outputs
Rated output power 180 W + 180 W (1 kHz, 8 Ω)
240 W + 240 W (1 kHz, 6 Ω)
300 W + 300 W (1 kHz, 4 Ω)
Maximum output power 250 W + 250 W (1 kHz, 0.1 %, 8 Ω)
320 W + 320 W (1 kHz, 0.1 %, 6 Ω)
380 W + 380 W (1 kHz, 0.1 %, 4 Ω)
Total harmonic distortion 0.03 % (1 kHz, 6 Ω)
Frequency response 5 Hz - 70 kHz (+1 dB, –3 dB, 6 Ω)
Signal-to-noise ratio (S/N) 110 dB (JEITA)
Minimum required impedance
4 Ω
Speaker output terminals Binding posts x 1 stereo
Analog audio inputs
Jacks RCA jacks x 3 stereo
RCA2: can be connected to an AV-amplifer’s pre-output
RCA3: can be switched among LINE, PHONO MM and PHONO MC
XLR jacks x 2 stereo
Input impedance LINE: 100 kΩ / PHONO MM: 47 kΩ / PHONO MC: 100 Ω
Analog audio outputs
Jacks RCA jacks x 1 stereo
Output impedance 470 Ω
General
Power supply AC 230V 50Hz / AC 120V 60Hz / AC 220V 60Hz
Power consumption 280 W
External dimensions (W x H x D) 445 x 162 x 468 mm (17 1/2” x 6 3/8” x 18 3/8” )
( including protrusions )
Weight 31 kg (68 lb)
- This product is available in three different power supply variations shown
in the chart above. Make sure that the voltage shown on the rear panel
matches the AC line voltage in your area.
- The shape of the AC inlet and plug of the supplied power cord depends
on the voltage rating and destination country.
Esoteric MSW* Pure Class D
mono block power amplifier
*MSW= Master Sound Works
Introducing design know-how of
professional studio-use power amplifiers
The power amplifier is the core of our integrated amplifier I-03.
Esoteric has introduced know-how collected through designing
professional studio-use power amplifiers to the power amplifier
sections of I-03. The power amplifier of the I-03 continuously
balances outstanding drive power and natural tones, and
conveys the essence of a master sound recording regardless of
the size and efficiency of speaker combinations.
Using Esoteric MSW Pure Class D power amplifier
with dual mono architecture
The I-03 is equipped with a MSW Pure Class D power amplifier
that is mounted with high-efficiency and uses the latest
high-speed MOS-FET devices in a 3-parallel push-pull configu-
ration to achieve superior speaker drive performance. This
power amplifier uses power amplifier blocks mounted in a dual
mono architecture separately for each channel to obtain a high
practical-use maximum output of 320W+320W (6Ω).
Analog power circuit support for robust
drive performance
A solid power supply unit makes the music pulse. The I-03
adopts powerful analog power circuits configured using large-
size capacitors and high-capacity custom transformers (each
transformer weighing approximately 10 kg (22 lbs.)). The MSW
Pure Class D power amplifier produces an optimal and distinc-
tive tone that is both robust and smooth.
High-grade dual mono preamplifier
with C-03 technologies.
The I-03 preamplifier inherits stereo preamplifier C-03 technolo-
gies that are highly reputed worldwide and have received a
number of awards. This type of preamplifier uses a dual mono
architecture with a completely independent board for each
channel. The chassis compartment dedicated for the preampli-
fier is partitioned using a 2mm thick steel plate to install two
preamplifier boards for the left and right channels.
Volume controls based on dual-mono concept
Esoteric DVC System*
Esoteric's DVC System uses a rotating control to transmit
signals to two preamplifiers located on both sides of the I-03
and simultaneously drives both volume control amplifiers, (which
are installed separately on left and right preamplifier boards).
Volume controls are provided independently for left and right
channels to maintain the left and right audio signals separately,
and to achieve a clear sound quality with exceptional channel
separation. Furthermore, there is no audio signal wiring from the
audio board to the volume control, which significantly reduces
the signal path to prevent deterioration of sound quality.
*DVC=Dual-mono Volume Control
Delicate and dynamic sound with low-noise operation
The Esoteric DVC System control board, used for central control
of the left and right channels, is installed in a compartment
separate from preamplifier boards and has a separate power
supply. This design assures low noise operation with a complete
shutdown of the control microcomputer except at the time of
receiving an operation request.
Bi-amplifier and multi-amplifier drive support
The I-03 responds flexibly to system upgrades of the future. The
I-03 is equipped with a RCA output terminal that can be
switched between PRE OUT and REC OUT. Any level offset can
be set for signals sent to the power amplifier during the
PRE-OUT output stage. The I-03 also offers a bi-amplifier
architecture that allows connecting various types of external
power amplifiers with different input gains.
Making the most of the preamplifier function with
the power amplifier shutdown function
The I-03 is equipped with a "power amplifier shutdown function"
that shuts down the power amplifier blocks for users who want
to use the standalone high-grade preamplifier function. The I-03
is also provided with a headphone jack that enables users to
listen to it's high-grade preamplifier sound through the privacy of
a stereo headset.
Other features
• Equipped with a number of input terminals
(RCA x 3 channels, XLR x 2 channels).
• Enables fine adjustment of gain and L/R channel balance
for each input.
• MM/MC/LINE can be switched for the RCA1 connections.
• The AV throughout function bypasses volume adjustment,
which is convenient for systems with AV surround
environments and pure two-channel environments.
• Enables selecting the change curve of the audio signal,
while operating the volume control from five types of curves.
• Supplied with a high-grade aluminum remote control
that can operate the Esoteric Super Audio CD players.
MSW power ampli fie r block i n a dual m on o
arc hitectur e Installe d on b oth sid e panels
separate ly for the lef t a nd r ight ch annels.
High-capacity custom transformer
(weigh in g ap proxim atel y 10 kg (22 lbs .))
installed in a nalog power c ircuit
Preamplifier boards in a dual mono architecture
for the lef t a nd right channels
Perceiving
musical impression
in its original form
Sensuous French Impressionism and spirit of German Classicism. Cool West Coast jazz
and hot East Coast jazz. Dynamism of black contemporary and sophistication of
Eurobeat.
The unique characteristics of sound and flavor of music that were cut in the original
master recordings are passed on to the listeners without any trimming of parts. Esoteric
is committed to new developments in order to fully apply the Esoteric-original Master
Sound Works concept to the integrated amplifier.
Ingenuity that breaks from conventional concepts and use of materials without cost
constraints. Esoteric has consolidated audio technologies it has fostered over years of
developing separate types of amplifiers and has without compromise, applied them into
creating an integral type amplifier. The result has been the birth of Esoteric's flagship
integrated amplifier I-03.
When you look at the simple body form that eliminates all excessive features, you can
discover the passions of our engineers in their devotion to developing new high-end
models and the flavor of reproducing music in its original form.
Esoteric's flagship integrated amplifier
with the Master Sound Works impression.
Integrated Amplier I-03

Specyfikacje produktu

Marka: Esoteric
Kategoria: odbiornik
Model: I-03

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