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Behringer T1954 manual

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Table of contents for the manual

  • Page 1

    TUBE ULTRAFEX ® T1954[...]

  • Page 2

    2 TUBE UL TRAFEX T1954[...]

  • Page 3

    3 TUBE UL TRAFEX T1954 FOREWORD Dear Customer, We thank you for expressing your confidence in BEHRINGER products by purchasing the BEHRINGER TUBEULTRAFEX. It is one of my most pleasant tasks to write this preface, as our engineering team has made it possible to enhance the traditional tube circuitry design (particularly for our VINTAGER series o[...]

  • Page 4

    4 TUBE UL TRAFEX T1954 T1954 TUBEULTRAFEX ® Professional, multi-purpose sound enhancement system for high-end studio and stage applications[...]

  • Page 5

    5 TUBE UL TRAFEX T1954 T ABLE OF CONTENTS 1 . INTRODUCTION . . ................................................................................................................... 6 1.1 The Design Concept ........................................................................................................................ 6 1. 2 Before Y ou begin [...]

  • Page 6

    6 TUBE UL TRAFEX T1954 1. INTRODUCTION In purchasing the new TUBEULTRAFEX 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, i[...]

  • Page 7

    7 TUBE UL TRAFEX T1954 + If the unit is damaged, please do not return it to us, but notify your dealer and the shipping company immediately, otherwise claims for damage or replacement may not be granted. Shipping claims must be made by the consignee. The BEHRINGER TUBE ULTRAFEX fits into two standard 19" rack units of space. Please allow at le[...]

  • Page 8

    8 TUBE UL TRAFEX T1954[...]

  • Page 9

    9 TUBE UL TRAFEX T1954[...]

  • Page 10

    10 TUBE UL TRAFEX T1954 17 AUDIO IN . These are the audio inputs of your TUBEULTRAFEX, available both as balanced 1/4" TRS connectors and XLR connectors. 18 AUDIO OUT . These are the audio outputs of your TUBEULTRAFEX. Matching phone jack and XLR connectors are wired in parallel. These outputs can be transformer-balanced by retrofitting [...]

  • Page 11

    11 TUBE UL TRAFEX T1954 2. 3 Basic Setting We recommend setting the controls as indicated in the following section. This will give you a better idea of switch and control functionality: s Set the SURROUND IN/OUT switch to position OUT and the L/C FILTER switch to position OFF. Turn the TUNE controls to center position and all other controls fully C[...]

  • Page 12

    12 TUBE UL TRAFEX T1954 Remember, less is more. Used with care an exciter can greatly improve the intelligibility while extreme set- tings can become sharp after a while. + When exposed to high sound pressure level (as in a recording studio) the ears can show signs of fatigue, resulting in a decreased sensitivity to high frequencies. Take regular b[...]

  • Page 13

    13 TUBE UL TRAFEX T1954 3. 3 Enhancing the Sound of Subgroups, Monitor and Effect Paths For this application there are several options: 1. If your mixer features subgroup outputs with insert points, you can process the subgroups separately. 2. You can also combine monitor and effect paths and route them via the BEHRINGER TUBEULTRAFEX to a free i[...]

  • Page 14

    14 TUBE UL TRAFEX T1954 1. In audio systems for announcements and background music, the TUBEULTRAFEX is placed in a similar way to recording and tape duplication - directly before the power amp. The intelligibility and range of your system will be improved and the sonic image will become clear and transparent, even at low volume levels. Problems[...]

  • Page 15

    15 TUBE UL TRAFEX T1954 4. 2 Psycho-acoustic Background The term psycho-acoustics refers to the psychological aspect of hearing  in contrast to the physiological transfer of impulses (transmission of nervous impulses). Psycho-acoustics examines the effect of sound on the listener and the reasons for certain sonic impressions. How a sound is inte[...]

  • Page 16

    16 TUBE UL TRAFEX T1954 tive enhancement within the sound. These methods are described in more detail in the following: 4.3 .1 Frequency correction The boosting or cutting of certain frequency ranges is the simplest form of sound modification. Equalizers can correct the sonic image in order to produce a sound that is more pleasing to each taste. So[...]

  • Page 17

    17 TUBE UL TRAFEX T1954 4. 5 The Surround Processor of the TUBE ULTRAFEX Sound quality during signal transmission is given top priority today. The signal is processed with the help of Reverb devices, Compressors, Exciters, Denoisers etc. to produce a compact, low-noise and transparent sound. However, the fact that hearing impression depends largely[...]

  • Page 18

    18 TUBE UL TRAFEX T1954 professional studios. Manufacturers try with ever new algorithms to get the most out of DSPs ( D igital S ignal P rocessors), the heart of any digital system. Still, many audio engineers, particularly old hands often prefer using both old and new tube-equipped devices. As they want to use their warm sound character for th[...]

  • Page 19

    19 TUBE UL TRAFEX T1954 and anode, a current flow is not possible because the unheated anode emits more or less no electrons. This design was used, for example, as a rectifier in the power supplies of amplifiers. The magnitude and velocity of the flow of electrons depend on the cathodes temperature, the material it consists of, and the magnitude[...]

  • Page 20

    20 TUBE UL TRAFEX T1954 you overdrive a transistor you get a sudden square deformation of the sine signal applied at the input, which produces an extreme harmonic spectrum at the output. Non-linear distortions are measured with a distortion factor that consists of the total harmonic distortion [k] and partial harmonic distortions [k n ]. The latter[...]

  • Page 21

    21 TUBE UL TRAFEX T1954 5. 1 Rack mounting The BEHRINGER TUBEULTRAFEX fits into two standard 19" rack units of space. Please allow at least an additional 4" depth for the connectors on the back panel. Be sure that there is enough air space around the unit for cooling and please do not place the TUBEULTRAFEX on high temperature devic[...]

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    22 TUBE UL TRAFEX T1954[...]

  • Page 23

    23 TUBE UL TRAFEX T1954 6. SPECIFICATIONS Audio inputs Connectors XLR and 1/4" TRS connector T yp e RF filtered, servo-balanced input Impedance 5 0 kOhms balanced, 25 kOhm unbalanced Max. Input Level +21dBu balanced and unbalanced (unity gain) CMRR t y p . 40dB, >55dB @ 1 kHz Audio outputs Connectors XLR and 1/4" TRS connector[...]

  • Page 24

    24 TUBE UL TRAFEX T1954 7. WARRANTY The information contained in this manual is subject to change without notice. No part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording of any kind, for any purpose, without the express written permission of BEHRINGER S pezi[...]