Dodge 2008 LX-48 Charger SRT8 Automobile User Manual
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1. ic Ses EEH aj pn d mt ius AE eee BEHRINGER TelDeiLedre ie nr STOMP BOXES EURORACK BED Fig 3 2 Extended connecting options ACX900 and ACX1800 Models ACX900 and ACX1800 offer a wide range of additional connecting options The above figure shows only one of many possible installations The instruments microphones the foot switch as well as the CD player are connected as shown in figure 3 1 The tuner is connected to the tuner output where there is a constant instrument signal If you wish to integrate external effects units you can do this separately for each of the two channels Connect the input of the effects unit to the INSERT SEND of one of the respective channels and connect the effect output at the unit to the INSERT RETURN jack ofthe same channel Instead of the two stage effects units shown here connected in series in the signal path you can establish a parallel effects loop e g by means of a 19 studio effects unit In this case connect the input of the effects unitto the MIC INSERT SEND orthe INSTRUMENT INSERT SEND output and feed the stereo output signal of the effects unit through the CD INPUT jacks You can then use the CD LEVEL controller to mix the effects signal and your guitar signal With this option please note that the effects unit only returns the effects signal 100 Wet and not the original signal Musicians who wish to play their instrument through a PA system during a live session normal2. 1 CHAMBER simulates the typical characteristics of a studio This effect is useful in cases where you need unobtrusive reverb to liven up the signal 2 ROOM Reverberation typical for rooms of medium size with clearly audible reverb from walls 3 HALL Simulation of a lively large hall with considerable echo 4 CONCERT simulates the prolonged reverb in a large concert hall 5 8 MOD This group includes four modulation effects that are generated in different ways For each effect you can adjust the depth and speed of the modulation 5 CHORUS give guitar signals more depth and width This is achieved by means of a modulated delay of the input signal 6 FLANGER Popular guitar effect achieved by constant modulation of the tone pitch 7 PHASER The phase effect is similar to the flange but somewhat subtler It is achieved by superimposing a phase shifted effects signal on the input signal 8 TREMOLO Intensive variation of the volume at a preset rate 9 12 MOD DELAY This group includes a number of dual effects where for example a chorus or flanger effect is combined with a delay In the ACX1800 you can adjust the volume of the delay effect 9 CHORUS DELAY with a delay of 400 ms 10 FLANGER DELAY with a long delay 400 ms 11 CHORUS DELAY with a short delay 300 ms 12 FLANGER DELAY with a delay of 300 ms 13 16 DELAY In this group you find delay effects with different delay times The Feedback parameter determi
3. 8 4 1 FBO eQqualiZer essen 8 4 2 Digital effects processor 8 4 3 Compressor only in ACX1800 sssssssse 9 5 INSTALLATION 4 9 5 1 Audio connections eee mme 9 6 SPECIFICATIONS ccs ceceseceeeseeeeeeseeenseeeeneseneness 10 Ts WARRANTY 25222022220 are 11 ULTRACOUSTIC ACX450 ACX900 ACX1800 1 INTRODUCTION Thank you for choosing the ULTRACOUSTIC amplifier You have purchased a modern 2 channel amplifier that guarantees excellent sound quality for various applications yet is easy to operate The ULTRACOUSTIC comes with a wide range of features such as two integrated 24 bit multi effect processors or the FBQ Feedback Detection system which help you to fine tune your sound Due to the many possibilities of connecting external effects units and playback feeds the ULTRACOUSTIC is a real all rounder leaving nothing to be desired Ik gt Please read this manual to familiarize yourself with the control elements of the unit and its functions After you have carefully read this manual keep it for future reference 1 1 Before you get started 1 1 1 Shipment The ULTRACOUSTIC was carefully packed at the assembly plant to ensure secure transport If the cardboard box is damaged please inspect the ULTRACOUSTIC equipment immediately for physical damage I amp S Damaged equipment should NEVER be sent directly to us Please inform the dealer from whom you acquired it immediately as well as the tran
4. UMENT is the input of the instrument channel of your ULTRACOUSTIC to connect your acoustic guitar Use a commercially available mono jack cable We recommend using a cable with impact sound insulation so as to avoid unpleasant incidences during a rehearsal or concert The PHASE switch not included in ACX450 reverses the instrument channel phase by 180 Use this function to eliminate feedback problems or phase errors of dual pickup systems 3 The GAIN controller is used to determine the volume of the respective channel 4 With the TUNER switch not included in ACX450 you can mute the channel There is a permanent signal at the TUNER connector at the rear of the unit You have the option to connect an external tuner to this jack e g BTR2000 TU100 When the input signal overdrives the instrument channel the CL P LED located in the TUNER switch is on only in ACX1800 Reduce the input gain with the GAIN controller until the CLIP LED is off Occasional flashing of the CLIP LED caused by signal peaks is harmless though as the instrument channel has sufficient headroom This is the FBQ EQUALIZER Each sliding controller controls a specific frequency range In position 0 the frequency is not adjusted To boost a frequency range move the respective sliding controller up To lower its volume move the sliding controller down The maximum boosting or damping range is 12 dB 6 Press the FBQ switch to activate the FBQ func
5. materials or workmanship The warranty does not cover any such modification adaptation irrespective of whether it was carried out properly or not Under the terms of this warranty BEHRINGER shall not be held responsible for any cost resulting from such a modification adaptation 3 Free inspections and maintenance repair work are expressly excluded from this warranty in particular if caused by improper handling of the product by the user This also applies to defects caused by normal wear and tear in particular of faders crossfaders potentiometers keys buttons tubes guitar strings illuminants and similar parts 4 Damages defects caused by the following conditions are not covered by this warranty A improper handling neglect or failure to operate the unit in compliance with the instructions given in BEHRINGER user or service manuals A connection or operation of the unit in any way that does not comply with the technical or safety regulations applicable in the country where the product is used A damages defects caused by force majeure or any other condition that is beyond the control of BEHRINGER 5 Any repair or opening of the unit carried out by unauthorized personnel user included will void the warranty 6 If an inspection of the product by BEHRINGER shows that the defect in question is not covered by the warranty the inspection costs are payable by the customer 7 Products which do not meet the terms of this w
6. only To reduce the risk of electric shock do not perform any servicing other than that contained in the operation instructions unless you are qualified to do so ULTRACOUSTIC ACX450 ACX900 ACX1800 FOREWORD Dear Customer Welcome to the team of BEHRINGER users and thank you very much for expressing your confi dence in us by pur chasingthe BEHRINGER ULTRACOUSTIC Writing this foreword for you gives me great pleasure because it represents the cul mination of many months of hard work delivered by our engineering team to achieve a very ambitious goal to present you with an outstanding acoustic instrument amplifier that is at the forefront of what is technically possible and that offers you a vast variety of sound shaping options The task of designing our new ULTRACOUSTICs certainly meant a great deal of responsibility which we assumed by focusing on you the discerning user and musician Meeting your expectations also meant a lot o6f work and night shifts But it was fun too Developing a product usually brings a lot of people together and what a great feeling it is when all who participated in such a project can be proud of what they ve achieved It is our philosophy to share our enjoyment with you because you are the most important member of the BEHRINGER team With your highly competent suggestions for new products you ve made a significant contribution to shaping our company and making it successful In return
7. parts are used which constitute an improvement BEHRINGER may at its discretion charge the customer for the additional cost of these parts 2 If the warranty claim proves to be justified the product will be returned to the user freight prepaid 3 Warranty claims other than those indicated above are expressly excluded 4 RETURN AUTHORIZATION NUMBER 1 To obtain warranty service the buyer or his authorized dealer must call BEHRINGER see enclosed list during normal business hours BEFORE returning the product All inquiries must be accompanied by a description of the problem BEHRINGER will then issue a return authorization number 2 Subsequently the product must be returned in its original shipping carton together with the return authorization number to the address indicated by BEHRINGER 3 Shipments without freight prepaid will not be accepted 5 WARRANTY REGULATIONS 1 Warranty services will be furnished only if the product is accompanied by a copy of the original retail dealers invoice Any product deemed eligible for repair or replacement under the terms of this warranty will be repaired or replaced 2 If the product needs to be modified or adapted in order to comply with applicable technical or safety standards on a national or local level in any country which is not the country for which the product was originally developed and manufactured this modification adaptation shall not be considered a defect in
8. we guarantee you uncompromising quality as well as excellent technical and audio properties at an extremely reasonable price All of this will enable you to give free rein to your creativity without being hampered by budget constraints We are often asked how we manage to produce such high quality devices at such unbelievably low prices The answer is quite simple it s you our customers Many satisfied customers mean large sales volumes enabling us to get better purchasing terms for components etc Isn t it only fair to pass this benefit on to you Because we know that your success is our success too would like to thank all of you who have made the ULTRACOUSTIC Series possible You have all made your own personal contributions from the developers to the many other employees at this company and to you the BEHRINGER user My friends it s been worth the effort Thank you very much Uli Behringer TABLE OF CONTENTS 1 INTRODUCTION nennen 4 1 1 Before you get started 1 1 1 Shipment 1 1 2 Initial operation 1 1 3 Online registration 2 CONTROL ELEMENTS AND CONNECTIONS 4 2 1 Front panel eei emt in pee 4 2 2 Rear panel eerte neces aE nt ERR 6 3 APPLICATIONS 7 3 1 Connecting options for the ACX450 7 3 2 Extended connecting options ACX900 and ACX1800 7 4 SOUND PROCESSING esee
9. 5 1 Audio connections With the exception of the balanced LINE jack mono input all inputs and outputs of the BEHRINGER ULTRACOUSTIC are unbalanced mono jack sockets The LINE OUT connections are designed as balanced XLR outputs The CD inputs are designed as RCA connectors 13 Please ensure that only qualified persons install and operate the ULTRACOUSTIC During installation and operation persons handling and using the equipment must be sufficiently earthed as electrostatic discharge might affect the operation of the ULTRACOUSTIC Balanced XLR connectors input output 1 ground shield E hot ve cold ve For unbalanced use pin 1 and pin 3 have to be bridged Fig 5 1 XLR connectors Balanced 1 4 TRS connector sleeve tip strain relief clamp ground shield hot ve sleeve ring ring cold ve bo For connection of balanced and unbalanced plugs ring and sleeve have to be bridged at the stereo plug Fig 5 2 14 stereo TRS connector Unbalanced 1 4 TS connector sleeve strain relief clamp ground shield sleeve Fig 5 3 TS connector 5 INSTALLATION 9 ULTRACOUSTIC ACX450 ACX900 ACX1800 6 SPECIFICATIONS ACX450 ACX900 ACX1800 AUDIO INPUTS INSTRUMENT IN Ya TS unbalanced input Impedance MIC IN input Impedance LINEIN input Impedance Ya TS unbalanced 220 kOhm Ya TS unbalanced 220 kOhm INST INSERT RETURN Input Impedance MIC INSERT RETURN Input Impedance i In
10. C ACX450 ACX900 ACX1800 7 NARRANTY 1 OTHER WARRANTY RIGHTS AND NATIONAL LAW 1 This warranty does not exclude or limit the buyer s statutory rights provided by national law in particular any such rights against the seller that arise from a legally effective purchase contract 2 The warranty regulations mentioned herein are applicable unless they constitute an infringement of national warranty law 2 ONLINE REGISTRATION Please do remember to register your new BEHRINGER equipment right after your purchase by visiting www behringer com alternatively www behringer de and kindly read the terms and conditions of our warranty carefully Registering your purchase and equipment with us helps us process your repair claims quicker and more efficiently Thank you for your cooperation 3 WARRANTY 1 BEHRINGER BEHRINGER International GmbH including all BEHRINGER subsidiaries listed on the enclosed page except BEHRINGER Japan warrants the mechanical and electronic components of this product to be free of defects in material and workmanship for a period of one 1 year from the original date of purchase in accordance with the warranty regulations described below If the product shows any defects within the specified warranty period that are not excluded from this warranty as described under 5 BEHRINGER shall at its discretion either replace or repair the product using suitable new or reconditioned parts In the case that other
11. ULTRACOUSTIC ACX450 ACX900 ACX1800 www behringer com User s Manual Version 1 1 June 2006 JUST LISTEN ULTRACOUSTIC ACX450 ACX900 ACX1800 IMPORTANT SAFETY PRECAUTIONS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN ATTENTION RISQUE DE CHOC ELECTRIGUE NE PAS OUVRIR CAUTION To reduce the risk of electric shock do not remove the top cover or the rear section No user serviceable parts inside refer servicing to qualified personnel WARNING To reduce the risk of fire or electric shock do not expose this appliance to rain and moisture The apparatus shall not be exposed to dripping or splashing and no objects filled with liquids such as vases shall be placed on the apparatus This symbol wherever it appears alerts you to the presence of uninsulated dangerous voltage inside the enclosure voltage that may be sufficient to constitute a risk of shock This symbol wherever it appears alerts you to important operating and maintenance instructions in the accompanying literature Please read the manual bt gt gt N DETAILED SAFETY INSTRUCTIONS 1 Read these instructions 2 Keep these instructions 3 Heed all warnings 4 Follow all instructions 5 Do not use this apparatus near water 6 Clean only with dry cloth 7 Do not block any ventilation openings Install in accordance with the manufacturer s instructions 8 Do not install near any heat sources such as radiato
12. arranty will be repaired exclusively at the buyer s expense BEHRINGER will inform the buyer of any such circumstance If the buyer fails to submit a written repair order within 6 weeks after notification BEHRINGER will return the unit C O D with a separate invoice for freight and packing Such costs will also be invoiced separately when the buyer has sent in a written repair order 6 WARRANTY TRANSFERABILITY This warranty is extended exclusively to the original buyer customer of retail dealer and is not transferable 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 7 CLAIM FOR DAMAGES Failure of BEHRINGER to provide proper warranty service shall not entitle the buyer to claim consequential damages In no event shall the liability of BEHRINGER exceed the invoiced value of the product Customers in the European Union please contact BEHRINGER Germany Support for further details Technical specifications and appearance subject to change without notice The information contained herein is correct at the time of printing The names of companies institutions or publications pictured or mentioned and their respective logos are registered trademarks of their respective owners Their use neither constitutes a claim of the trademarks by BEHRINGER nor affiliation of the trademark owners with BEHRINGER BEHRINGER accepts no lia
13. be moved down to reduce the bass level On the other hand you can quickly identify frequency ranges whose level is too low LED barely lit to increase it I To emphasize certain frequency ranges it might not be necessary to raise these but to lower the levels of the other frequencies by moving the respective sliding controllers down This approach prevents excessively high internal signal levels thus retaining valuable dynamic reserves headroom 4 2 Digital effects processor One of the key features of your ULTRACOUSTIC are the two built in multi effects processors that operate independently of each other in both channels Each effects module offers a total of 16 different programs that are grouped in four categories A To switch effects on or off press the IN OUT switch at the ULTRACOUSTIC or at the foot switch A Turn the FX SELECT controller 11 to select a program The effects are described in the following overview FX Parameter program ACX1800 Gb do 5 6 7 8 9 Chorus Delay 400 ms Delay Level 13 Delay 80 ms Feedback DELAY U 0 74 4 Table 4 1 Effects programs A Use the FX LEVEL controller 14 to make the effect audible A Edit the effect using the PARAMETER controller only in ACX1800 1 4 REVERB The reverb presets are effects that imitate the reverberation of various large rooms Use the PARAMETER controller to adjust the reverberation time decay
14. bility for any loss which may be suffered by any person who relies either wholly or in part upon any description photograph or statement contained herein Colours and specification may vary slightly from product Products are sold through our authorised dealers only Distributors and dealers are not agents of BEHRINGER and have absolutely no authority to bind BEHRINGER by any express or implied undertaking or representation 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 Spezielle Studiotechnik GmbH BEHRINGER is a registered trademark ALL RIGHTS RESERVED 2006 BEHRINGER Spezielle Studiotechnik GmbH Hanns Martin Schleyer Str 36 38 47877 Willich Muenchheide II Germany Tel 49 2154 9206 0 Fax 49 2154 9206 4903 7 WARRANTY 11
15. he selected effect on and off with the foot Switch The FX LEVEL controller is used to adjust the level share of the selected effect With the MASTER controller you can adjust the overall volume of the ACX1800 The PHASE switch reverses the phase of the mix signal by 180 only in ACX1800 Use this switch to eliminate problems with feedback ULTRACOUSTIC ACX450 ACX900 ACX1800 2 2 Rear panel 6 2 CONTROL ELEMENTS AND CONNECTIONS ULTRACOUSTIC ACX450 ACX900 ACX1800 3 APPLICATIONS 3 1 Connecting options for the ACX450 Foot switch CD player FOOT SW CDIN ORICAT 4 INSTIN MIG IN Dynamic Microphone Acoustic quitar Fig 3 1 Cabling options of the ACX450 The above cabling is suitable for sessions in the rehearsal room or for practicing at home Connect your guitar to the instrument input jack of channel 1 If desired connect another instrument or a dynamic microphone to channel 2 Connect the supplied FS112 foot switch to the foot switch input at the rear panel With the foot switch you can switch the effects units of both channels on and off which is particularly useful during live performances To play along with a playback connect a CD player to the CD input Of course a MD player or a computer can be used as playback device as well 3 APPLICATIONS 3 2 Extended connecting options ACX900 and ACX1800 Chromatic tuner CD player E E 1100
16. ia the cable that was delivered with the ULTRACOUSTIC All mandatory safety precautions have been adhered to I Please make sure that all of your equipment is grounded at all times For your own protection you should never tamper with the grounding of the cable or the unit itself The unit shall always be connected to a mains socket outlet with a protective earthing connection 1 1 3 Online registration Please do remember to register your new BEHRINGER equipment right after your purchase by visiting www behringer com and kindly read the terms and conditions of our warranty carefully Should your BEHRINGER product malfunction our goal is to have it repaired as quickly as possible To arrange for warranty service please contact the retailer from whom the equipment was purchased Should your BEHRINGER dealer not be located in your vicinity you may directly contact one of our subsidiaries Corresponding contact information is included in the original equipment packaging Global Contact Information European Contact Information Should your country not be listed please contact the distributor nearest you A list of distributors can be found in the support area of our website www behringer com Registering your purchase and equipment with us helps us process your repair claims quicker and more efficiently Thank you for your cooperation 2 CONTROL ELEMENTS AND CONNECTIONS 2 1 Front panel The jack connector labeled INSTR
17. ly need a DI box A DI box prepares the signal for transfer through long cable lines so that a higher output level for the mixing desk can be achieved You will be delighted to know that your ULTRACOUSTIC comes with a built in DI box Connect the balanced LINE outputs directly to the mixing desk input or to the multi core feeding to the mixing desk Use a microphone cable two core shielded cable with XLR connectors ULTRACOUSTIC ACX450 ACX900 ACX1800 4 SOUND PROCESSING The ULTRACOUSTIC offers many options for sound processing The ACX1800 includes for example an FBQ equalizer a multi effects unit and a compressor The various processing options are explained in this chapter 4 1 FBQ equalizer A graphic equalizer with FBQ spectrum analyzer is available for sound adjustment and correction If the sliding controllers are in neutral position 0 the signal is not modified A Toboostthe frequency range move the respective sliding controller up A Todampen the range move the sliding controller down A Press the FBQ switch 6 to activate the FBQ display FBQ function Each controller is equipped with a LED indicating the level of the associated frequency range of the controller by means of its brightness This assists you in identifying the controller that must be used to edit the sound If the sound is for example too dull or too droning one of the LEDs is probably very bright indicating the sliding controller that should
18. nes the number of repeats 13 Short DELAY of 80 milliseconds ms 14 Medium DELAY of 300 ms 15 DELAY of 400 ms 16 Long DELAY of 500 ms 8 4 SOUND PROCESSING ULTRACOUSTIC ACX450 ACX900 ACX1800 4 3 Compressor only in ACX1800 The compressor reduces the dynamic range of a signal Volume peaks are lowered and low signals are boosted so that the difference between the loudest and the lowest tone of an instrument or voice is reduced This results in a more expressive and homogeneous sound and the sustain of long tones is prolonged A Switch on the compressor ON switch 10 A Turnthe COMPRESSOR controller 9 slowly in clockwise direction to increase the compression intensity A Compare the compressed and the original signal by switching the compression ON and OFF at the ON switch If the input signal to the compressor is high it operates at its optimum range If the signal is low the effect becomes only audible when the compressor controller is set to a very high position If a compressor is switched on in this position there is a risk of sudden level changes If GAIN is set to a high value the same compressor effect is achievable without having to setthe controller to a high value In this case the COMPRESSOR controller does not have to be turned to a position near the stop in order to achieve any effect We recommend that you try this out until you have found the best settings 5 INSTALLATION
19. put impedance AUDIO OUTPUTS LINE OUT Alban Output impedance aso INSTINSERT SEND ______ Sunbalanced Output impedance oom MIGINSERT SEND TSunamed Output impedance 0m TUNER OUT iTS unbalanced Output impedance sk Max ouputtevel BU SYSTEM SPECIFICATIONS Power rating DIGITAL PROCESSING Converters Sampling rat LOUDSPEAKERS Type 1x8 2x8 2x8 Model Impedance 4 Ohm 4 Ohm 4 Ohm Power handling POWER SUPPLY USA Canada 120 V 60 Hz Europe U K Australia 230 V 50 Hz Mains voltage Japan 100 V 50 60 Hz China Korea 220 V 50 Hz General Export model 120 230 V 50 60 Hz Power consumption max 90 W max 135 W max 265 W Fuses 100 120 V T 2 5 AH 250 V T 3 15 AH 250 V T6 3 AH 250 V Fuses 200 240 V T 1 25 AH 250 V T 1 25 AH 250 V T 3 15 AH 250 V Mains connection Standard IEC receptacle DIMENSIONS AND WEIGHT Dimensions 413 x455 x 212 mm 423 x 526 x 232 mm 427 x 526 x 242 mm H x W x D 16 3 x 17 9 x 8 3 16 7 x 20 7 x 9 1 16 8 x 20 7 x 9 5 Weight 29 1 Ibs 13 2 kg 37 lbs 16 8 kg 40 6 Ibs 18 4 kg BEHRINGER is constantly striving to maintain the highest professional standards As a result of these efforts modifications may be made from time to time to existing products without prior notice Specifications and appearance may differ from those listed or illustrated 10 6 SPECIFICATIONS ULTRACOUSTI
20. rs heat registers stoves or other apparatus including amplifiers that produce heat 9 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over LAL Y mde 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 15 CAUTION These service instructions are for use by qualified service personnel
21. s portation company from which you took delivery Otherwise all claims for replacement repair may be rendered invalid Is If the unit needs to be shipped please always use the original packaging to avoid damage E Never let unsupervised children play with the ULTRACOUSTIC or with its packaging Ux Please dispose of all packaging materials in an environmentally friendly fashion 1 1 2 Initial operation Please make sure that your ULTRACOUSTIC is provided with sufficient ventilation and never place it on other amplifiers or in the vicinity of a heater to avoid the risk of overheating Ik gt Before plugging your ULTRACOUSTIC into a power Socket please make sure you have selected the correct voltage The fuse retainer near the power cord connector has three triangular markings Two of these triangles point in opposite directions Your ULTRACOUSTIC is set up for the voltage indicated near these markings and can be altered by turning the fuse mount by 180 degrees ATTENTION This does not apply to export models built for 120 V for example I amp If you use your ULTRACOUSTIC unit with a different voltage you must change the fuses accordingly The correct value of the fuses needed can be found in the section SPECIFICATIONS I Faulty fuses must be replaced with fuses of appropriate rating without exception The correct value of the fuses needed can be found in the section SPECIFICATIONS Power is delivered v
22. tion While the FBQ is switched off the controller LEDs are lit with the same brightness When the FBQ is on and you play your instrument the LED s brightness varies depending on the energy content of the associated frequency range This visual feature supports you in adjusting the sound and eliminating feedback The equalizer is always activated irrespective of whether the FBQ function is on 2 CONTROL ELEMENTS AND CONNECTIONS H ULTRACOUSTIC ACX450 ACX900 ACX1800 The MIC jack is the balanced XLR microphone input of the microphone line channel The balanced L NE jack 1 4 of the microphone line channel can be used for line level signals e g from keyboards drum computers etc The COMPRESSOR controller is used to adjust the intensity of the compression only in ACX1800 see chapter 4 3 10 The compressor is switched on off with the N OUT Switch only in ACX1800 With the FX SELECT controller you can select one of 16 effect programs For a detailed description of the available effects see table 4 1 in chapter 4 2 12 With the PARAMETER controller only in ACX1800 you can edit certain effect parameters For details on the parameters that are adjustable for each effect see table 4 1 The IN OUT switch not included in ACX450 allows you to activate the selected effect If an effect has been activated the LED in the switch is on Alternatively you can switch t
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