Operation; Introduction; The Position Of The Tube Ultrafex In The Signal Path - Behringer TUBE ULTRAFEX T1954 User Manual

AUDIO IN. These are the audio inputs of your TUBE ULTRAFEX, available both as balanced 1/4" TRS
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connectors and XLR connectors.
AUDIO OUT. These are the audio outputs of your TUBE ULTRAFEX. Matching phone jack and XLR
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connectors are wired in parallel. These outputs can be transformer-balanced by retrofitting the optional
output transformer OT-1. The reference level is +4 dBu and the maximum level comes to +21 dBu.

2. OPERATION

2.1 Introduction

The BEHRINGER TUBE ULTRAFEX combines the legendary sound enhancement possibilities with the musi-
cal tube sound of the UTC technology.
The BEHRINGER UTC technology
The BEHRINGER TUBE ULTRAFEX uses our newly developed UTC technology, a development resulting from
two years of intensive research work by our engineering team. This technology overcomes the problems
related to tube circuitry (see Chapter 3) and generates upper harmonics even at low levels to give your record-
ings more warmth and power.
The BEHRINGER Natural Sonic Processor: sound enhancement of classical and pop music
The BEHRINGER Natural Sonic principle is based on frequency-selective phase shifting in conjunction with
program-dependent equalization and pulse enlargement. An automatic and natural correction during signal
processing offers a quality of sound enhancement that has been almost inconceivable until now. Program-
dependent control permits the “musical” and unobtrusive transparency required for classical music material,
yet also provides the necessary brilliance for pop recordings. Owing to its dynamic control, and in contrast with
conventional units, the circuitry does NOT introduce any additional noise, non-related harmonics or distortion.
The VSP (Variable Sound Processing) circuit
The new VSP (Variable Sound Processing) circuit used for the first time in the TUBE ULTRAFEX, allows for
variably fading over from enhancer to exciter mode. Using the PROCESS control clockwise, the exciter circuit
comes in additionally to provide a variable and carefully adjusted processing of high frequencies. The result is
an increased brilliance and transparency. Fading over from one effect to the other can thus adapt the effects
perfectly to the respective program material.
Built-in Noise Reduction system
Due to physical reasons, exciters and enhancers principally increase noise of the processed program mate-
rial. Therefore, we have incorporated a switchable noise reduction system which is capable of automatically
fading out any additional noise.
Bass Processor
The TUBE ULTRAFEX is equipped with a separate Bass Processor which allows for sound enhancement in the
lower frequency band. The newly developed, switchable LC filter produces a more dry and substantial bass
sound. Processing the bass range means an optimum completion of high-frequency processing and opens up
new dimensions in the field of sound processing.
Surround Processor
A switchable Surround Processor has also been integrated into the TUBE ULTRAFEX. With this processor the
intensity of the stereo effect can be dramatically improved (see chapter 4.5 for additional information).

2.2 The Position of the TUBE ULTRAFEX in the Signal Path

The perfect position for inserting the TUBE ULTRAFEX in the signal path depends on the terms of reference:
The stereo structure of the TUBE ULTRAFEX suggests to connect the device with the subgroup or main
inserts. If your mixer does not have inserts you can also position the TUBE ULTRAFEX between the Main Mix
output and a recording device. Moreover the use between signal processors and a mixer makes sense.
Of course, you can also use the channels of the TUBE ULTRAFEX independent of each other. So you can
process two mono signals independently.
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TUBE ULTRAFEX T1954
2. OPERATION