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Behringer T1951 manuel d'utilisation

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Le mot vient du latin "Instructio", à savoir organiser. Ainsi, le manuel d’utilisation Behringer T1951 décrit les étapes de la procédure. Le but du manuel d’utilisation est d’instruire, de faciliter le démarrage, l'utilisation de l'équipement ou l'exécution des actions spécifiques. Le manuel d’utilisation est une collection d'informations sur l'objet/service, une indice.

Malheureusement, peu d'utilisateurs prennent le temps de lire le manuel d’utilisation, et un bon manuel permet non seulement d’apprendre à connaître un certain nombre de fonctionnalités supplémentaires du dispositif acheté, mais aussi éviter la majorité des défaillances.

Donc, ce qui devrait contenir le manuel parfait?

Tout d'abord, le manuel d’utilisation Behringer T1951 devrait contenir:
- informations sur les caractéristiques techniques du dispositif Behringer T1951
- nom du fabricant et année de fabrication Behringer T1951
- instructions d'utilisation, de réglage et d’entretien de l'équipement Behringer T1951
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

Pourquoi nous ne lisons pas les manuels d’utilisation?

Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage Behringer T1951 ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles Behringer T1951 et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service Behringer en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées Behringer T1951, comme c’est le cas pour la version papier.

Pourquoi lire le manuel d’utilisation?

Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif Behringer T1951, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

Après un achat réussi de l’équipement/dispositif, prenez un moment pour vous familiariser avec toutes les parties du manuel d'utilisation Behringer T1951. À l'heure actuelle, ils sont soigneusement préparés et traduits pour qu'ils soient non seulement compréhensibles pour les utilisateurs, mais pour qu’ils remplissent leur fonction de base de l'information et d’aide.

Table des matières du manuel d’utilisation

  • Page 1

    TUBEULTRA-Q ® T1951 www.behringer.com Version 1.1 N ovember 2001 Users Manual ENGLISH[...]

  • Page 2

    2 TUBE UL TRA-Q T1951 This symbol, wherever it appears, alerts you to important operating and mainte- nance instructions in the accompanying literature. Read the manual. SAFETY INSTRUCTIONS C AU T I ON : To reduce the risk of electric shock, do not remove the cover (or back). No user serviceable parts inside; refer servicing to qualified personnel.[...]

  • Page 3

    3 TUBE UL TRA-Q T1951 FOREWORD Dear Customer, We thank you for expressing your confidence in BEHRINGER products by purchasing the BEHRINGER TUBEULTRA-Q. 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 of [...]

  • Page 4

    4 TUBE UL TRA-Q T1951 T1951 TUBEULTRA-Q ® 2 x 4-Band Parametric Tube Equalizer s 4-band parametric stereo equalizer with selected 12AX7 tubes s ULTRA-TUBE circuitry (UTC) adds desired amount of warmth without additional noise s Parallel filter architecture ensures minimal phase shifting s Precision state-variable filters with constant-Q charact[...]

  • Page 5

    5 TUBE UL TRA-Q T1951 T ABLE OF CONTENTS 1 . INTRODUCTION .. ................................................................................................................... 6 1.1 The concept .................................................................................................................................... 6 1. 2 Before you get [...]

  • Page 6

    6 TUBE UL TRA-Q T1951 1. INTRODUCTION With the BEHRINGER TUBEULTRA-Q T1951 you have purchased an innovative device. Parametric equalizers represent the most advanced form of equalization systems. With the TUBEULTRA-Q you have purchased an extremely musical and flexible device. Our ULTRA-Q range of devices has been a hit ever since we introduc[...]

  • Page 7

    7 TUBE UL TRA-Q T1951 Be sure that there is enough space around the unit for cooling and please do not place the TUBE ULTRA-Q on high temperature devices such as power amplifiers etc. to avoid overheating. + Before you connect your TUBEULTRA-Q to the mains, please make sure that your local voltage matches the voltage required by the unit! The ma[...]

  • Page 8

    8 TUBE UL TRA-Q T1951 4 The FREQUENCY control selects the filters center frequency, which can be freely chosen within the frequency range of the associated band. 5 The LEVEL control determines the amount of level boost/cut. The setting range is from -15 to +15dB. 6 The BANDWIDTH control determines the slope or quality of the filter. Settings [...]

  • Page 9

    9 TUBE UL TRA-Q T1951 12 SERIAL NUMBER . Please complete and return the warranty card within 14 days of the date of purchase. Otherwise, you will lose your right to the extended warranty. Alternatively, you can register online at our website under www.behringer.com. 13 FUSE HOLDER / VOLTAGE SELECTION . Before connecting the T1951, confirm that the [...]

  • Page 10

    10 TUBE UL TRA-Q T1951 like feedback. In live applications uncontrolled feedback can cause damage to loudspeakers and amplifiers. By means of the INPUT control you can adapt the sensitivity of the TUBE ULTRA-Q to the input level. The sensitivity can be varied within a range of -15 to +15dB. Set the INPUT control so that the PEAK LED lights up on[...]

  • Page 11

    11 TUBE UL TRA-Q T1951 Fig. 2.1: Various filter qualities 2. 4 Setting of the tube stage With the settings you have achieved so far a considerable sound improvement can be made. You may not know this, but you have already benefitted from the tube stage of the TUBEULTRA-Q. Even when the WARMTH control is turned fully counter-clockwise, subtle and[...]

  • Page 12

    12 TUBE UL TRA-Q T1951 Because of the wide overlap possibility of the different filters, the effect of two filters can be added together if so desired. This way an even greater attenuation or boost can be achieved. When notching out frequencies try to make the band as small as possible. Always as little as possible but as much as needed. 3. 2 Shelv[...]

  • Page 13

    13 TUBE UL TRA-Q T1951 Center freque ncy (Hz) 1/3 octave Effects on mu sic 31 to 63 Fundam entals of bass dr um, tuba, do uble bass and or gan. Thes e frequencies give mus ic a se nse of power. If over- emphas ized they mak e the m usic "m uddy". The 50 or 60 Hz band is also used to rejec t AC ma ins hum . 80 to 125 Fundam entals of lower[...]

  • Page 14

    14 TUBE UL TRA-Q T1951 Center frequency (Hz) 1/3 octav e Effects on voice 40 to 125 Sense of power in som e outstanding bass s ingers. 160 to 250 Voice fundam entals. 315 to 500 Im portant for voic e quality. 630 to 1k Impor tant for voice naturalness. Too muc h boost in the 315 to 1 kHz range produces a telephone-lik e quality . 1.25k to 4k Voice [...]

  • Page 15

    15 TUBE UL TRA-Q T1951 It is quite obvious that compromises must be made to meet these requirements. In rooms with poor acoustics or a high level of background noise, both natural sound and acoustic power can usually not be realized simultaneously. Priority must be given to one of these quality-improving measures. However, it should be noted that e[...]

  • Page 16

    16 TUBE UL TRA-Q T1951 In complex sound reinforcement systems comprising different speakers located in varying acoustic environments (e.g. theaters with front speakers, various side-fill speakers and/or balcony speakers) each single time-delayed channel should be equipped with a separate TUBEULTRA-Q, as this is the only way to make provision for[...]

  • Page 17

    17 TUBE UL TRA-Q T1951 kind be identified and eliminated, before the actual musical fine-tuning of the sound image takes place. Still, extreme settings can be realized by overlapping the frequencies of the individual bands. 4. 4 On phase shift and time delay Any analog filter, be it graphic or parametric, produces a certain amount of phase sh[...]

  • Page 18

    18 TUBE UL TRA-Q T1951 allowed for loss-free copying of audio signals. As digital media were enhanced, however, many people began to miss the warmth, power and liveliness they knew from analog recordings. This is why purists still today consider digital recordings as sterile in sound. 4.5 .2 Design and functional principle of tubes Tubes can [...]

  • Page 19

    19 TUBE UL TRA-Q T1951 In a triode the capacitance between grid and anode is a problem with regard to high frequencies and large amplification factors. For this reason, the pentode has a positively charged screen grid between the control grid and the anode. However, the positive charge of the screen grid attracts electrons emitted from the anode pl[...]

  • Page 20

    20 TUBE UL TRA-Q T1951 4.5.5 UTC circuit In Out WARMTH Fig. 4.4: UTC circuit The TUBEULTRA-Q splits up the audio signal applied at the input, and processes it differently for both signal paths. Each of the two tube halves amplifies the original signal and the signal modified in its phase spectrum (twin triode). Additional harmonics are produced [...]

  • Page 21

    21 TUBE UL TRA-Q T1951 Video T ape Compact Disc Analog Records FM Radio Digital T ape (16 Bit) Analog T ape dB 100 75 50 25 Analog Mixing Console Fig. 4.5: Dynamic range of various media 5. INSTALLATION 5. 1 Rack mounting The BEHRINGER TUBEULTRA-Q fits into two standard 19" rack units of space. Please allow at least an additional 4" de[...]

  • Page 22

    22 TUBE UL TRA-Q T1951 Critical applications may require to build up a transformer-balanced configuration for the output signals, so as to avoid interference from ground loops or potential differences. For this purpose, we offer our high-quality output transformer OT-1 as a retrofit kit. Fig. 5.1: Different plug types + Never use unbalanced XLR con[...]

  • Page 23

    23 TUBE UL TRA-Q T1951 6. SPECIFICATIONS Audio input Connectors XLR and 1/4" TRS Ty pe RF filtered, servo-balanced input stage Impedance 50 k Oh m balanced, 25 kOhm unbalanced Max. input level +21dBu balanced and unbalanced CMRR t y p . 40dB, >55dB @ 1 kHz Audio output Connectors XLR and 1/4" TRS T yp e electronically servo-ba[...]

  • Page 24

    24 TUBE UL TRA-Q T1951 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[...]