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 Shipped
as shown with lifetime warranty parts & labor
Stereophile class A? Please.... Find out what real
fidelity sounds like and try one out on our 30 day money back
trial. With over 1000 of these amps sold on the 30 day trial,
we've only gotten 16 back. Over 500 were sold to audiophiles
who owned amps costing up to 5 times as much (you can find
those on audiogon.com).
OWNERS
MANUAL
Model SE84CPLUS 100,120,220,240 VAC 50/60Hz
REGULAR
PRICE $749 (If it were retailed - $1175.00)
Limited
Time Introductory Price $675.00
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WHY
DOES THIS AMP SOUND SO GOOD?
Well,
it's the real deal. It's not mass produced. Hand built, point
to point wiring using only part leads to limit the solder nodes.
Only 2 resistors and 1 capacitor in the signal path. Silver
litz ground buss. US Made proprietary output and power
transformers in a high mass steel chassis of the highest
quality - all built by skilled (and well paid) artists
here at Decware. The SV83 output tubes are the most
linear output tube in the world, and wired as triodes are the
most neutral. There is no amplifier that will be more
transparent or holographic than a Zen Triode. And then
there is owner of Decware, Steve Deckert's flawless Zen
design that separates this amp from other high quality botique
competitors. There's been so many 300B and 2A3 amplifier
owners that have switched to the Zen Triode that we've lost
count. We bring that up because most people who haven't
heard one can't wrap their head around the concept that a $700
amplifier could sound better than a $3500 amplifier - but they
do.
OVERVIEW:
It
is a 2 watt per channel Single Ended Triode amplifier
capable of driving almost a dead short - rare in the world of
SET amplifiers! It can be driven directly from any source
(such as your CD player or DAC) without a preamp. It will
drive typical hi-fi speakers to conversation listening levels
and hi-efficiency speakers (94dB 1w1/m) to a satisfyingly loud
level. The amplifier operates in pure class A and has
zero negative feedback. The bass surprises everyone. It
features two inputs and a selector switch so you can have two
sources. The volume control is mounted on the front. Tubes
for it are more than affordable, the amp is self biasing making
it a completely hassle free experience to own and enjoy one.
It comes with a lifetime warranty because it's actually
built that well.
The
SE84C+ is a new model released in March 2008. A little
about it's predecessor;
This unassuming
little gray box (about the size of a toaster)
set the benchmark for all Decware amplifiers that followed. It
was our first amp released in 1998 and now in it's 10th year of production it continues
to completely embarrass the main stream hi-fi industry.
Pictured
left is the SE84C
that was retired at serial number #1000. The new
SE84C+ boasts a beefy black steel chassis
and several subtle but significant improvements over the prior
model promising to carry on the tradition for the next 10 years!.
BRIDGING
INTO MONO:
These
amplifiers employ a unique floating output transformer scheme
where the negative speaker wire is not tied to chassis ground.
That means when the amp is bridged, both channels may
either be series or parallel wired. In series, both channels
work as one and transparency is preserved.
So
with no sonic drawbacks to running the amps in mono, you can expect
6 dB of additional power rather then the expected 3dB. This
is thanks to the power increase the amp has when it sees lower
impedances.
FEATURES:
The SE84C+
amplifier has 2 pair of inputs so that you can use it with 2
sources, a front mounted volume control, a silver toggle switch
for source selection and a silver toggle for the different bias
settings of the input tube, just like always.
It
uses EL84, or SV83 output tubes and your choice of 6N1P, 6DJ8
or 6922 input tubes. Rectifier is a 5U4 but is also compatible
with 5AR4, 5Y3GT.
Gold/Teflon
input jacks and fused IEC connector for use with hi-end cables.
The amp is self biasing so you never need to adjust the
bias and the bias will never drift out of adjustment. While
we ship it with the best grade military version of the SV83
output tubes straight from Russia (6P15P-EB) the channels are
self balancing meaning it is also possible to use non-matched
output tubes.
IDEAL SPEAKERS:
We have successfully driven hundreds of
different loudspeakers ranging in efficiency
from 90 to 100dB 1w/1m. On 90dB speakers
it works nicely in smaller rooms or for late
night out of body experiences. 94 to 96
dB speakers are almost ideal in that they let
you play beyond a normal listening level and
preserving the dynamic headroom. When
these amplifiers were first released in 1997
there were a minimal number of "high
efficiency" speakers to choose from.
Today that is no longer the case - they
are everywhere. We also offer several
different types of
loudspeakers
that will
work with this amp. If you own speakers
that you love and are afraid this may not
drive them understand two things: A) It will
drive them louder then you're expecting and B)
you can bridge these amps into mono blocks.
Because of the power increase into lower
ohms, you will net 6dB of additional power.
Same thing as doubling your power...
twice.
SPECIFICATIONS:
This amplifier requires no adjustments or
maintenance other than changing tubes every
couple years. It is a self biasing
design and self balancing meaning even
unmatched tubes become matched when installed.
The SV83 (6P15P-EV) or EL84 output tubes
wired in triode were chosen over 300B, 2A3, 45, and other triodes for having
the best sound and imaging
VOLTAGES
This unit
comes standard with our World Voltage
Compatible Transformer. Your amplifier will be
automatically wired for the correct voltage
for your country and be supplied with the
correct removable power cord.
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Weight
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17 lbs.
ea.
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Dimensions
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8.0" H x
6.125" W x 12.0" D
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Circuit
type
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Single
ended Class A Triode
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Power
output
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2.3 watts
RMS into 4 ohms
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5 watts RMS into 8 ohms
bridged
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Power increases as
ohms decrease
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Stable
into 1 ohm speaker loads
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Input
voltage
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2.0 volts
for full output
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Noise /
Hum
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Less
than 1.5 millivolts
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Response
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20 Hz ~
20 kHz
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Feedback
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ZERO
negative feedback used
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Rectification
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5U4G
/ tube
rectification
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Output
tubes
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SV83 or
EL84/6BQ5
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Signal
tube
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6N1P or
6922 or 6Dj8
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Transformers
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Decware
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Biasing
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Self-Biasing
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Resistors
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precision WW/MF by DALE,
VISHAY
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Signal
Cap
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Polyurethane Film
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AC
cord
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Removable
power cord
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Consumption
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65 watts
at full power
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Input
jacks
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RCA type
24K Gold / Teflon
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Output
jacks
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5-way binding posts accept 12 gauge
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Speaker
dB/1w
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89 dB
minimum / 96 dB is ideal
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Warranty
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Lifetime
to original owner
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TUBES:
This amp is shipped with graded premium
quality N.O.S. 6P15P-EV output tubes rated at
5000 hours. These Russian military spec
tubes are the top grade of what we came to
know in this country as the SV83. You
can also use EL84's without adjustments of any
kind. You'll find the SV83's to be
unparallel in speed and detail - in part
because it is a video tube with much wider
bandwidth then a normal audio tube. We
think these are the best sounding most
transparent tubes available today. The
EL84 (6BQ5) is a bit warmer sounding giving
the amp a different signature by just
switching output tubes.
The input tube is a single 6N1P, 6922 or 6DJ8
- your choice. 6N1P's have the warmest
tone, 6922's have the best dynamics, 6DJ8's
have the most air and micro-detail with a
touch less bass. Again, a powerful tool
for voicing your amplifier to your particular
tastes.
The rectifier is a 5U4G and can be substituted
with a 5AR4 or compatible rectifier.
Many owners of this amp like using the
274B. Each rectifier change will also
make audible differences in the sound and
performance of the amplifier.
CABLES:
This amplifier is so transparent that differences between cables will
now become big differences.
If you don't have good interconnects or
speaker cables or just not sure how good yours
are we offer reference quality
cables that will let you hear how good this amplifier
and your
gear really is. Our cables are in the league
of those in the 4 digit range but are sold without the typical
markup and hype making them very affordable. It is important
to us that you hear what your new amp is capable of, and most
customers, even those with expensive cables find ours sound
better.
DHC Power
Cords
DSR
Silver Interconnects
ZENSTYX
Silver Speaker
wire
SUPPORT:
This amplifier is hand built in the USA by
DECWARE / High Fidelity Engineering C0.
It comes with a lifetime warranty
to the original owner. If you purchase
one second hand and ever have questions or
technical problems we WILL be happy to check
it out for you and service it if needed for a
very reasonable rate.
We also have a
support forum with many people who own
this amplifier who's experiences you may
benefit from.
REVIEWS:
You may read reviews on this and
other Decware amplifiers going back to 1996 at
this link:
Reviews
RELATED INFO
How
can 2 watts do anything?
Early
Zen
amp survives a train wreck!
SE84C
SCHEMATIC
Frequency
Response
Some
favorite loudspeakes to match with your Zens
Some
of our loudspeakes to match with your Zens
Steve's
papers for audiophiles
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Decware is a trademark of High Fidelity Engineering
Co. Copyright © 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
2007 2008 by Steve Deckert
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