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TUBE ULTRAFEX T1954
1. INTRODUCTION
In purchasing the new TUBEULTRAFEX T1954, you have acquired an extremely efficient and universal sound
processor which combines the sound enhancement features of the ULTRAFEX series with the tube sound of
the BEHRINGER ULTRA-TUBE technology. Since its announcement of the first ULTRAFEX model in year
1990, it has caused a sensation. This high-end sound enhancement processor is based on our many years of
experience and discoveries in the field of psycho-acoustics. The TUBEULTRAFEX finds widespread applica-
tion throughout the world, in renowned studios, sound reinforcement systems as well as in broadcast and TV
studios.The sound precision and flexibility of the functions are the main outstanding features of this high-end
unit. The TUBEULTRAFEX is our state-of-the-art sound enhancement system offering a special combination
of sound improvement designs. The unit can be used wherever professional sound improvement is required.
The BEHRINGER TUBEULTRAFEX is the no-compromise answer when the situation demands a no-compro-
mise solution.
Advanced BEHRINGER technology
The philosophy behind BEHRINGER products guarantees a no-compromise circuit design and employs the
best choice of components. The TUBE ULTRAFEX uses high-quality resistors and capacitors with very tight
tolerances, high-grade switches, low-noise operational amplifiers (type 4580) as well other selected compo-
nents.
Additionally, the unit is manufactured in compliance with the ISO9000 certified management system.
1.1 The Design Concept
Compared to its predecessors, the TUBEULTRAFEX offers several advanced features and we have succeeded
in dramatically refining the audio qualities. The unit now features our new UTC tube circuitry and a new L/C filter
switch which offers more power in the bass area. Beside that a new VSP (Variable Sound Processing) circuitry
has been added to allow you to use simultaneous exciter and enhancer sound processing.
Since the introduction of the first psycho-acoustic Processors, technology in this field has made tremendous
progress. Although the fundamental principles of enhancer and exciter technology have been well-known for a
long time, engineers have been able to refine and improve the essential components over and over again. The
BEHRINGER company has also contributed considerably to this development:
With the introduction of our Natural Sonic processor, we have set new standards. Previously encountered
problems of restricted leveling range, plus increased noise level and audible distortion during signal process-
ing, are typical shortcomings of conventional circuit designs. They were completely solved by the development
of new circuitry.
The BEHRINGER TUBE ULTRAFEX is equipped with different sound enhancement features which stand for a
new achievement in the history of sound processors: The legendary BEHRINGER Natural Sonic principle in
combination with the Variable Sound Processing circuitry (VSP) and the integrated Noise Reduction system
offer presence and transparency for your music without receiving unwanted noise. The Bass Processor addi-
tionally adds power to the bottom end. The innovative Surround Processor enables extra depth and width for
stereo signals. As a special feature the TUBE ULTRAFEX comes with the new ULTRA-TUBE technology
(UTC) that adds warmth and translucency to your music.
In the TUBE ULTRAFEX two selected 12AX7/ECC83 vacuum tubes are used. These triodes are capable of
handling a large dynamic range with little microphony. In addition to that their relative ruggedness and above
average life span and you can see why its one of the most popular and reliable pre-amp tubes on the market.
These features also ensure you their availability for many years to come.
Failsafe relays have been incorporated into the design of the BEHRINGER TUBE ULTRAFEX, which automati-
cally and silently bypass the unit in the event of power supply disconnection or failure. These relays are also
active at switch-on to isolate the TUBE ULTRAFEX until the power rails have settled, thus preventing the
possibility of a potentially damaging switch-on thump.
1.2 Before You begin
Your BEHRINGER TUBE ULTRAFEX was carefully packed in the factory and the packaging was designed to
protect the unit from rough handling. Nevertheless, we recommend that you carefully examine the packaging
and its contents for any signs of physical damage, which may have occurred in transit.
1. INTRODUCTION