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Home Theater |
About |
Used Gear |
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Policy |
Testimonials |
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Hi End Audio- Esoteric, and Music Hall Preamp, Amps |
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C-03 Preamp |
A-03 Solid State |
Integrated AMP's |
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Esoteric |
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Esoteric C-03 Line Level Preamp
- $13,500 |
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Reviews:
May, 2009 - 6moonscom - 2009 Blue Moon Award winner
http://wwwsixmoonscom/audioreviews/esoteric16/c03html
May, 2009 - 6moonscom - review
sidebar by owner Srajan Ebaen
http://www6moonscom/audioreviews/esoteric16/sidebarhtml
December 2008 - SoundStage Networks - Reviewers Choice
AwardDec 2008
http://wwwsoundstagecom/equipment/esoteric_c03htm
May, 2008 - 6moonscom
http://www6moonscom/audioreviews/esoteric13/a100htm |
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The C-03 Linestage Preamplifier is a pure integration of
ESOTERIC's proprietary design, engineering and manufacturing
Requested for many years by retail dealers and consumers, this
new integration now culminates in highly advanced, analog signal
processing
Since 1953 the TEAC Corporation has built upon its experience
with analog signal processing beginning with magnetic tape
recording and playback systems Now the TEAC ESOTERIC Company
has taken that experience to the next level in a solid state
preamplifier that will set new standards! (To open the C-03 PDF
file presentation please click here)
A dual mono pre amp driven by dedicated channel, custom power
supplies, the C-03 reproduces a true-to-life soundstage with
precise detail of each musical expression Circuit components
including input stage, output stage, and power supplies are
completely isolated for ideal signal transmission The C-03
features a highly rigid multiple-chambered chassis design for
optimum resonance control properties following in the footsteps
of the highly acclaimed P-03/D-03 component system
The highest grade audiophile components were selected for the
C-03 Extensive listening tests were conducted for parts
selection based on component neutrality and desired variations
in "acoustic texture" High quality German made WIMA capacitors
are used for the main circuit and high purity 6N copper
(999999%), and 8N copper (99999999), is used for the C-03's
critical internal wiring
All design elements and proprietary technology are dedicated to
achieving a new listening experience, one that re-creates the
true "Master Tape Experience"
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Esoteric A-03 Power Amp -
$14,500 |
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Review:
June, 2010 -
http://wwwsoundstagecom/equipment/esoteric_a03htm
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NEWPure "Class A" power amplification from Esoteric!
Esoteric is pleased to announce availability of our new "Class
A" power amplifier, designed for the audiophile purist!
Advanced power supply with dedicated L/R dual mono architecture
The new A-03 employs dedicated dual mono technology that
established Esoteric's reputation for high-end design
implementation Equipped with independent power sections
featuring dedicated toroidal transformers for the left and right
channels, this amplifier also boasts enhanced mechanical
strength and rigidity Separate dedicated compartments for the
power transformer, the power circuits and the voltage and
current amplifier stages, all help to prevent electrical
interference between components
Realizing the highest expression of purity with independently
mounted high capacity toroidal transformers
The power section of the current amplifier stage-which drives
the speakers-features independent, large volume toroidal
transformers, mounted on the left and right channels This
enhances the amplifier's ability to supply current to each
channel's speakers, while preventing interference between the
channels By using an independent transformer and power circuit
for the voltage amplifier stage, which drives the current
amplifier stage, the effect of variations in the voltage is
suppressed and the current amplifier receives a stable power
supply Separating each circuit block into power circuits and
providing independent transformers reduces cross channel
interference and enables both robustness and a delicacy of
expression within the music
An amplifier circuit with wide range, high speed, and powerful
drive
A pure class A implementation with low distortion and high
linearity is used for the amplifier circuit This design always
ensures an idling current that can output a minimum of 100 watts
RMS into 4 ohms and a minimum of 50 watts RMS with an 8 ohm
load BTL mode is also available and allows 200 RMS into 8 ohms
This provides excellent responsiveness for sudden bursts of high
volume demand, as well as high purity of expression Large
transistors with a current supply ability of 17 amps for
continuous output, and 34 amps for sudden bursts of high
output, are used for the current amplifier stage Five of these
transistors are mounted in a parallel push-pull configuration
for each channel, driving all speakers without compromise
Can be used as a mono power amplifier with a bridged connection
By using the A-03 as a monaural power amplifier in bridged
(BTL), mode, a minimum output of 200 watts at 8 ohms (1 kHz, 8
Ω) can be achieved (400 watts at 4 ohms in BTL mode)
Obsessive use of high grade components everywhere
We have gone to extremes to use the highest quality components
to maintain signal clarity and minimize transmission loss For
connection terminals, the amplifier uses the XLR input
terminal-which is highly reliable and provides excellent
contact-along with ESOTERIC's original RCA input terminal In
addition, the WBT nextgen; WBT-0710Cu speaker terminals have
conductor cores of pure copper with gold plating to achieve high
conductivity and low resistance On top of this, we have used
ultra high grade components such as an electrolytic capacitor
and a high frequency/low impedance transistor These components
were selected based on property examination and trial listening
It is an Esoteric requirement that all critical components
undergo exhaustive listening tests before any final section is
made
A highly rigid structure to prevent circuit interference and
suppress resonance
The A-03 features a highly rigid body construction that
surpasses a great number of power amplifiers The amplifier's
mass of about 38 kg presages excellent musical purity protected
by thick steel The internal circuit components are separated
into dedicated inner compartments for each circuit, partitioned
by 2 mm steel walls Combined with a 5 mm steel bottom chassis,
interference between circuits is prevented and the adverse
effects of resonance caused by internal and external vibrations
are minimized Also, the unique chilled steel pinpoint feet
provide a very strong four-point support system for the
heavyweight housing
ESOTERIC design forms a beautiful musical space
A combination of blast finishing and short scratch finishing on
the 20 mm thick aluminum panels create a beautiful contrast
With its elegant rounded form and large heat sink, processed
from symmetrically-placed black alumite, the A-30 contributes to
an elegant audio space, creating a sense of beautiful
integration with ESOTERIC's other high end products
Now equipped with warm-up mode
This function enables the device to be warmed up to play music,
while reducing electric power consumption (As compared to normal
operation) At warm-up mode: power consumption of 220 watts (a
reduction of about 45%) |
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Specifications: |
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Rated output power STEREO : |
50 W + 50 W (1 kHz, 8Ω) / 100 W +
100 W (1 kHz, 4Ω) |
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Minimum allowable speaker impedance |
4
Ω/ BTL: 4
Ω |
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Warranted range for Class A amplification |
50 W + 50 W (1 kHz, 8 Ω) |
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Input impedance |
50 W + 50 W |
RCA:150KΩ
XLR: 320Ω |
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Input sensitivity (rated output) RCA (STEREO) |
076 Vrms/50 W (8
Ω) / XLR (STEREO): 156 Vrms/50 W (8
Ω)
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RCA (BTL): 162 Vrms/200 W (8
Ω)
XLR (BTL): 235 Vrms/200 W (8
Ω) |
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Frequency response |
5 Hz to 100 kHz
(1 W, 8Ω +0/ -12 dB) |
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Signal-to-Noise Ratio (S/N) |
more than 117 dB |
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Total harmonic distortion |
0009 % (1 kHz,
rated output, 8
Ω) |
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General |
Power Supply |
AC 120V 60Hz |
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Power consumption |
400W |
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External dimensions
(WxHxD) |
445 x 220 x 430 mm
(17 1/2” x 8 5/8“ x 17”) |
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Weight |
38kg (84 lbS) |
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Operating temperature |
+10°C to +30°C |
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Operating humidity |
5% to 85% (no condensation) |
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Storage temperature |
+20°C to +55°C |
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Accesories |
Remote control unit (RC-1156) x 1 |
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- Design and specifications are subject to change without notice
- Weight and dimensions are approximate
- Illustrations may differ slightly from production models
- Warranty 2 years parts and labor
Can be extended to 3 years with warranty registration |
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Esoteric |
Music Hall |
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Esoteric I-03 Integrated Amp - |
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Esoteric's new flagship integrated amplifier model, I-03, based
on the award winning pre-amplifier model C-03 and over 55 years
of amplifier design. The unique characteristics of sound and the
flavor of music that were cut in the original master recordings
are passed on to our listeners. Esoteric is committed to new
technology developments in order to fully apply the
Esoteric-original Master Sound Works concept to the integrated
amplifier.
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.
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
of "leading edge" integrated 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 true "flavor" of reproducing music in its original form.
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 section is the core of our integrated
amplifier, I-03. Esoteric has introduced extensive 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 technology with
dual mono architecture:
The I-03 is equipped with a MSW Pure Class D power amplifier
that is mounted with ultra-high-efficiency and uses the latest
high-speed MOS-FET devices in a 3-parallel push-pull
configuration.�This allows us to achieve superior speaker drive
performance.�The I-03 uses power amplifier blocks mounted in a
dual mono architecture, separately for each channel to obtain a
high practical-use maximum output of up to 320 WRMS x 2 at 6
ohms.
Analog power circuit support for robust drive performance:
A solid power supply unit makes the music pulse. The I-03 adopts
powerful analog power circuitry configured using large-size
capacitors and high-capacity custom transformers (Each
transformer weighing approximately 10 kg /22 lbs). After months
of exhaustive "tuning," the I-03 MSW Pure Class D power
amplifier produces an optimal and distinctive tone that is both
robust and smooth.
High-grade dual mono preamplifier with C-03 technology:
The I-03 preamplifier section inherits stereo preamplifier C-03
technologies that are highly reputed worldwide and have received
numerous awards. This type of preamplifier uses a dual mono
architecture with a completely independent board for each
channel. The chassis compartment dedicated for the preamplifier
is partitioned using a 2 mm thick steel plates to install two
preamplifier boards for the left and right channels, therefore
eliminating any
potential for cross channel distortion.
Volume controls based on our 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 operational 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 its high-grade preamplifier sound through the privacy of
their own 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 that can operate
Esoteric disc players.
Power amp blocks implemented in dual mono design with high
capacity transformers
Main preamplifier boards are also implemented in an isolated
dual mono architecture. |
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Specifications:
Speaker Outputs:
Rated output power
180 W + 180 W (1 kHz, 8)
240 W + 240 W (1 kHz, 6)
300 W + 300 W (1 kHz, 4)
Maximum output power:
250 W + 250 W (1 kHz, 8 ohms)
320 W + 320 W (1 kHz, 6ohms)
380 W + 380 W (1 kHz, 4ohms)
Total harmonic distortion less than 0.03 %
Frequency response 5 Hz - 70 kHz
Signal-to-noise ratio (S/N) greater than 110 dB
Minimum required impedance: 4 ohms
Speaker output terminals: Binding posts x 1 stereo
Analog audio inputs:
RCA jacks x 3 stereo
RCA2: can be connected to an AV-amplifier’s pre-output
RCA3: can be switched among LINE, PHONO/MM and PHONO/MC
XLR jacks x 2 stereo
Input impedance:
LINE: 100k/PHONO/MM: 47k / PHONO/MC: 100k
Analog audio outputs:
Jacks RCA jacks x 1 stereo
Output impedance 470
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”)
Weight 31 kg (68 lb) |
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Cayin |
Music Hall |
Esoteric |
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Music Hall |
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A15.2 75 Watt integrated Amp. -
$499. |
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Two knobs, volume and source selection,
and one set of speaker outputs. Simple. In designing the a15.2
we decided to go back to the roots of audio. Back to a time when
integrated amps dominated the landscape in audio shops as a
smart alternative to big separates.
Today, the a15.2 presents a smart alternative to surround sound
receivers and all in one systems. It’s the perfect choice for
someone looking to assemble their first hi end system. Partner
it with our dac25.3 digital to analog converter, a cd15.2
compact disc player, and one of our turntables for a great
sounding system. Connecting a turntable couldn’t be easier with
the built-in moving magnet phono preamp. And with an impressive
75 watts/channel, the amp has plenty of power to drive the
speaker of your choice. |
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75 watt/ch amplifier
ultra low noise pre-amplifier section
brushed aluminum face plate
gold plated heavy gauge speaker binding posts
5 x analog stereo gold plated inputs
1 x fixed line out
moving-magnet phono input
headphone output
special padded vibration damping feet
powerful high-current toroidal power transformer
3.5mm front panel mini plug input
power saving standby operation
voltage switchable
removable power cord
system remote control
silver or black
w17w x d11.2 x h2.75 in
18 lbs. pkg. |
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A70.2 125 Watt Integrated Amp -
$1499. |
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The a70.2, our most powerful integrated amplifier to date,
impresses with its brawn yet wows with its delicacy. The
engulfing soundstage presented and engaging sonic character are
the direct result of our brilliant circuit design and careful
attention placed on the critical elements for accurate and
musical sound reproduction while eliminating all unnecessary
bits. Geared primarily toward the music lover with a two channel
audio system, we have included a direct av input (home theater
bypass), for those that want to use the amplifier section of the
a70.2 to power the front channels in a home theater set-up.
Vinyl fans will rejoice over the exceptional moving-magnet phono
preamp. Constructed using the finest parts and hand assembled,
the a70.2 is the ideal component around which to build a
stunning audio system. |
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125 watt/ch stereo amp
ultra quiet preamp section with gold plated inputs
high qrade no-short speaker binding posts for A & B speakers
direct AV (home theater bypass) input
CD, Tuner, Aux, iPod input, XLR, and MM phono input
gorgeous slim line system remote control
low distortion highly accurate TI PGA 2311 digitally controlled
analog volume control
special vibration damping feet
dual-mono design
preamp output
headphone output
detachable AC cable
2 x massive Toroidal power transformer – one for each channel
thick brushed aluminum fascia
easily readable and dimmable vacuum florescent display
solid chassis
voltage switchable
w17.1 x d15.9 x h6.1 in.
31 lbs. pkg. |
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