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User´s Manual

FEEDBACK DESTROYER

DSP1100

English Version 1.1 May 1998

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 GmbH.

BEHRINGER INTERNATIONAL GmbH, Hanns-Martin-Schleyer-Str. 36-38, D-47877 Willich-Münchheide II

Tel. +49 (0) 21 54 / 92 06-0, Fax +49 (0) 21 54 / 92 06-30.

Содержание FEEDBACK DESTROYER DSP1100

Страница 1: ...smitted 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 GmbH ALL RIGHTS RESERV...

Страница 2: ...FEEDBACK DESTROYER DSP1100 Type designation and if applicable Article No which refers to this declaration is in accordance with the following standards or standardized documents x EN 60065 x EN 61000...

Страница 3: ...or as marked on the appliance Grounding or Polarization Precautions should be taken so that the grounding or polarization means of an appliance is not defeated Power Cord Protection Power supply cord...

Страница 4: ...mix resetting programmed filters automatically s Manual mode allows for setting up to 24 fully parametric filters including Frequency Bandwith and Gain s Single Shot Auto and Manual modes are assignab...

Страница 5: ...n we guarantee you uncompromising quality manufactured under ISO9000 certified management system as well as excellent technical and audio properties at an extremely favorable price All of this will en...

Страница 6: ...ilters 18 5 2 Manual filters parametric equalizer 18 5 3 Automatic filters 18 5 4 Working with programs 18 5 4 1 Recalling programs 19 5 4 2 Choice of mode 19 5 4 3 Editing filter parameters 19 5 4 4...

Страница 7: ...ion instead of having to suppress feedback with graphic EQ s using a trial and error ap proach To fully understand how the Behringer FEEDBACK DESTROYER works you will need to know the meaning of a few...

Страница 8: ...of the FEEDBACK DESTROYER For each filter you can apply a boost of 16 dB or a cut of 48 dB i e you can boost the selected frequency by the subjectively perceived factor 3 physically x5 or attenuate it...

Страница 9: ...sound reinforcement system Feedback is one of the main problems encountered during live events A feedback loop is produced when a microphone signal is reproduced by an amplifier system to be picked u...

Страница 10: ...is being processed especially since graphic EQ s have fixed frequencies based on the so call ISO standard So all graphic equalizers designed to meet the ISO standard feature the same fixed frequencie...

Страница 11: ...or all 24 filters s The FEEDBACK DESTROYER calculates the filter quality with such a high precision that nothing but the feedback signal will be filtered while retaining the original music signal This...

Страница 12: ...ight tolerances high grade switches as well as other select components The FEEDBACK DESTROYER was manufactured using SMD technology Surface Mounted Device These sub miniature components known from aer...

Страница 13: ...to the mains please make sure that your local voltage matches the voltage required by the unit The fuse holder on the female mains connector has 3 triangular markers with two of these triangles oppos...

Страница 14: ...pical home recording level of 10 dBV and the professional studio level of 4 dBu The LED indicators on the front panel help you adjust the operating level as optimally as possible In order to be able t...

Страница 15: ...e R key to select the right audio channel If you wish to process the left and right channels simultaneously Couple mode press both Engine keys at the same time 5 Press the Frequency key to select the...

Страница 16: ...the front panel 13 After power up the LED display reads the number of the preset last used This clearly legible 2 1 2 digit numeric display has plus minus indicators to show that parameters are incre...

Страница 17: ...lways be assured 18 The FEEDBACK DESTROYER was designed for operation with unbalanced mono phone jacks 6 3 mm Each audio channel left right has a phone jack for incoming signals If you only want to us...

Страница 18: ...ack frequencies Having detected such a frequency the filter automatically configures its parameter to suppress feedback as effi ciently as possible As the filter is locked to the detected frequency th...

Страница 19: ...de by simply pressing the FILTER MODE key and turning the jog wheel The display message L locked informs you that a filter from the Single Shot mode is already suppressing a feedback You can unlock su...

Страница 20: ...the jog wheel to select another preset before you press the STORE key a second time 5 5 MIDI control Use the MIDI key combination to select the MIDI parameters you wish to adjust For this purpose pres...

Страница 21: ...MIDI system s MIDI IN Any MIDI data sent to the FEEDBACK DESTROYER sequencer MIDI footswitch etc are received via the MIDI IN jack For example if you wish to use the FEEDBACK DESTROYER as an effects...

Страница 22: ...to the resolution of the grid gives rise to errors and these errors are the cause of quantizing noise Unfortuanetly quantizing noise has the characteristic of being much more noticeable and unpleasan...

Страница 23: ...take the situation where a 4 bit word has the positive maximum value of 0111 and add to it the smallest possible value of 0001 in other words the smallest increase in amplitude possible the addition...

Страница 24: ...ositive influence on both sound and loudness of the monitors because filtering interference makes the monitor sound more transparent and feedback suppression enables you to increase the volume level o...

Страница 25: ...channels and sub groups If you want to make sure that deliberately produced feedback signals such as guitar feedback are not eliminated you should try inserting one or several FEEDBACK DESTROYER s in...

Страница 26: ...ency with the expression pedal while playing A similar effect is produced when the FEEDBACK DESTROYER is used to generate sweep ing sounds Emphasize or de emphasize a particular frequency and change t...

Страница 27: ...aders until feedback comes in Without the FEEDBACK DESTROYER you could not increase the volume level of your system any further With your FEEDBACK DESTROYER how ever you can considerably enhance the s...

Страница 28: ...Hz 32 kHz 286 289 296 302 309 315 324 332 341 349 358 32 kHz 40 kHz 362 366 375 383 392 400 410 420 430 440 450 40 kHz 50 kHz 455 460 470 480 490 500 513 526 539 552 565 50 kHz 63 kHz 572 578 591 604...

Страница 29: ...k Commands X X X X Aux Messages Local ON OFF All notes OFF Active Sense Reset X X X X X X X X Notes O YES X NO Mode 1 OMNI ON POLY Mode 2 OMNI ON MONO Mode 3 OMNI OFF POLY Mode 4 OMNI OFF MONO Tab 8 1...

Страница 30: ...nding on the gain of the feedback Time required to 0 5 sec typical at 1 kHz eliminate feedback Parametric Equalizer Type 12 independent filters per channel Frequency Range 20 Hz to 20 kHz adjustable i...

Страница 31: ...heide Shipments without freight prepaid will not be accepted 4 WARRANTY REGULATIONS Warranty services will be furnished only if the product is accompanied by an original retail dealer s invoice Any pr...

Страница 32: ...to anyone who may subsequently purchase this product No other person retail dealer etc shall be entitled to give any warranty promise on behalf of BEHRINGER INTERNATIONAL 6 CLAIM FOR DAMAGES Failure o...

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