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Decware SE84UFO Owner's Manual page 10

The zen triode amplifier
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O W N E R S M A N U A L
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DECWARE TRANSFORMERS!
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Since the output transformer is the only component you're hearing other than the two
resistors and one capacitor inside the Superzen it should become obvious that this is a
critical component relative to the overall fidelity of the amplifier. And given that, the
quality of the power transformer and power supply in general is at the heart of the
amplifiers performance. Below describes the standard Zen Triode Transformers used
since the amplifier creation in 1996.
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Our transformers cores are made with M-6 29 Gauge - 0.014" (0.355 mm) Grain
Orientated Electrical Transformer Steel Lamination with steam blue oxide on the
aligned in the direction of rolling. The alignment is accomplished by a special cold-
rolling and annealing processes. This allows the product to withstand more severe
vibration and shock and enables the following:
1.
Lower core losses as a consequence of design.
2.
Higher initial permeability.
3.
Higher permeability at higher inductions.
4.
More stable VA/Temperature relationship over a wide range of ambient
temperatures.
5.
Most importantly, Superior Bandwidth and The Coherency Decware amplifiers
are famous for.
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The stacking of these cores, the wire and interleaving are trade secrets, and you can
certain that some Chinese transformers which are so inefficient they have to be twice
the physical size to do half as much, can't compete. You can relax in knowing you
have the best and it's made in the USA.
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Decware High Fidelity Engineering Co., East Peoria IL, USA www.decware.com
surfaces and edges to minimize stray losses between
laminations.
This squared hysteresis loop iron-silicon alloy was
expressly developed to provide lower core loss with
higher permeability in the rolling direction. Grain
oriented laminations are supplied in the stress relief
annealed condition. The elementary patterns of the
crystals in the material are "oriented", or arranged so that
the axis of easiest magnetization is nearly parallel and

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