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Stereophile class A? Please.... Find out what real
fidelity sounds like and try one
Model SE84CPLUS REGULAR
PRICE $749
Limited
Time Introductory Price
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.
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;
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.
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
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.
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.
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.
You may read reviews on this and other Decware amplifiers going back to 1996 at this link: Reviews
RELATED INFO
Decware is a trademark of High Fidelity Engineering
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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. 
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. 
