BTX36000 User Manual
Contents
1. loudspeaker cables for connec tion between the amplifier and the loud speaker Never use other types of cable such as instrument cable and microphone cable Introduction Thank you for choosing the BUGERA BTX36000 bass amplifier head THE NUKE delivers massive 2 x 1 800 Watts in stereo mode or 3 800 Watts in mono bridged mode We have fitted the BTX36000 out with an active 9 band graphic EQ to make sure that so much power can be tailored exactly to the frequency range you want to apply to it An integrated compressor increases the sustain and smoothes out volume peaks while the Bright function enhances the sound A switchable Limiter provides distortion free sound at all levels In addition the BTX36000 features comprehensive connectivity including balanced DI outputs for direct connection to a mixing console plus a Tuner output on the front and rear panel The independent DC and thermal overload protection on each channel keeps the system safe and sound Before you get started Your product was carefully packed at the factory to ensure safe transport Nevertheless if the box is damaged inspect the unit immediately for signs of damage gt Ifthe 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 gt Always use the original box to prevent dam age during storage or transport gt Make sure that children2. the compression level You can adjust the amount of compression between 0 and 10 1 EQUALIZER section 9 The ULTRA HIGH switch boosts the frequency range cen tered at 5 kHz by 6 dB The ULTRA LOW switch emphasizes the frequencies typical for a bass guitar especially those of the lower strings BASS MID and TREBLE controls For each tone bass mid range and treble that you can emphasize or de emphasize the BTX includes a single TONE control To emphasize a tone you can turn the relevant tone control toward 10 maximum boost Alternatively you might con sider lowering adjacent bands To de emphasize a tone 4 Control elements and connections Y mm N mm mm gt w mm ol you can turn the relevant tone control toward 0 maximum cut By cutting certain frequencies instead of boosting others you protect your equipment from extreme volume peaks clipping and get valuable headroom The FREQUENCY selector adjusts the frequency of the MID rotary knob see 11 There are five settings available 220 Hz 450 Hz 800 Hz 1 6 kHz and 3 kHz The BRIGHT switch boosts the frequency range centered at 2 kHz by 6 dB To activate the graphic EQ and level features push this button or the footswitch 37 EQ sliders If you activated the graphic EQ 14 you can use each slider to emphasize and de emphasize a specific frequency band The center frequency of each frequency band is displayed directly below
3. 00W 8Q 3800 W 4Q 12 dB 40 Hz 15 dB 220 Hz 450 Hz 800 Hz 1 6 kHz 3 kHz 15 dB 8 kHz 42 5 dB 50 Hz 6 dB 2 kHz 6 dB 5 kHz 15 dB 8 dB 8 dB 8 dB 8 dB 8 dB 8 dB 9 dB 10 dB 10 1 75 dB max 3600 W 18A 10A standard IEC receptacle 5 5 x 19 0 x 14 6 140 mm x 485 mm x 370 mm 43 9 Ib 19 9 kg We are 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 Specifications System block diagram BTX36000 block diagram Rectangles represent control elements ovals represent jacks 15dB on off MUTE MASTER A COMPRESSOR GAIN TONE BASS MID TREBLE BRIGHT ULTRA LOW HIGH EQ off FX SEND A RETURN A GRAPHIC EQ onyoff EQ on Footswitch FX SENDB RETURN B MASTER B Mono MONO STEREO PRE CROSSOVER Low Hi PREAMP OUTPUT A POWER AMP INPUT A PREAMP OUTPUT B POWER AMP INPUT B POWER AMP B LIMITER SPEAKER OUTPUT B POWER AMP A LIMITER SPEAKER OUTPUT A System block diagram LINE OUTPUT B SPEAKER OUTPUT MONO BRIDGE 11 Limited warranty SPECIAL NOTE NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALI
4. A50 37130 08001 THE SOUL www bugera amps com Important safety instructions TIO RISK OF ELECTRIC SHOCK DO NOT OPEN ATTENTION RISQUE DE CHOC ELECTRIGUE NE PAS OUVRIR CAUTION High voltage Risk of death To avoid lethal electric shock do not open the casing There are no user serviceable components inside Refer all maintenance to qualified service personnel Remove the mains cable when the unit is not in use WARNING To eliminate the risk of fire and electric shock do not expose this unit to rain or moisture and splashing or dripping liquid which might enter the device Do not place any objects filled with liquid such as vases on the unit A A This symbol wherever it appears alerts you to the presence of uninsulated dan gerous voltage inside the enclosure volt age that may be sufficient to constitute a risk of shock This symbol wherever it appears alerts you to important operating and mainte nance instructions in the accompanying literature Please read the manual Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth Do not block any ventilation openings Install in ac cordance with the manufacturer s instructions Do not install near any heat sources such as ra diators heat registers stoves or other apparatus including amplifiers that produce heat Do not d
5. FIED PERSONNEL ONLY 8 1 Other warranty rights and national law 1 This limited 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 limited warranty regulations mentioned herein are applicable unless they constitute an infringement of national warranty law 8 2 Online registration Please do remember to register your new BUGERA equipment right after your purchase by visiting http www bugera amps com and kindly read the terms and conditions of our limited warranty carefully Registering your purchase and equipment with us helps us process your repair claims quicker and more efficiently Thank you for your cooperation 8 3 Limited Warranty 1 BEHRINGER warrants the mechanical and electronic components of this product to be free of defects in material and workmanship if used under normal operating conditions for a period of one 1 year from the original date of purchase 2 BEHRINGER warrants valves tubes and meters contained in the product to be free of defects in material and workmanship if used under normal operat ing conditions for a period of 90 days from the original date of purchase 3 This limited warranty is subject to the conditions exclusions and limitations hereinafter set forth 4 If the product shows any defects within the specified warranty period that are not excluded from thi
6. Line outputs are balanced XLR and stereo TRS connec tors ground shield hot ve cold ve output For unbalanced use pin 1 and pin 3 have to be bridged Balanced use with XLR connectors XLR connectors Your BTX36000 is equipped with high quality professional speaker connectors which ensure safe and trouble free operation These connectors were especially developed for high power loudspeak ers Once itis plugged in it safely locks into its position and cannot be accidentally disengaged It prevents the occurrence of electrical shock and ensures the correct polarity 0 front view db rear view Professional speaker connector Professional speaker connector 8 Installation gt Should you register distractive signals such as noise or hissing we recommend separat ing the amp input from the signal source This way you can quickly determine if the noise originates from the equipment connected to the amp Make sure to turn the volume to a minimum before turning it on MASTER rotary knob turned fully left to avoid any damage that may occur to your loudspeakers Footswitch connector The footswitch connector is a TRS connector 4 strain relief clamp O9 sleeve i ring 4 tip sleeve ground shield 4 ring FX2 4 tip FX1 1 4 TRS footswitch connector Va TRS f
7. activates the BI AMP mode The switch glows when the mode is active The BALANCE rotary knob adjusts the balance between low and high frequencies in BI AMP mode see 20 To understand the different operation modes of the BTX36000 please read the sections Modes of operation and Bi amping Cusen CHANNEL 5 INPUT Cis irr enannel Aa OO Pouename PREAME Ar INPUT Low OUTPUT Tuven FOOTSWITCH BUGERA THE NUKE MODEL BTX36000 SERIAL NUMBER CLASS 2 WIRING DATE CODE OUTPUT A LOU A Y No Oo LI Rear panel control elements The unit s fan is located here Fan speed adjusts automati cally to assure trouble free operation To prevent faulty operation please make sure that the unit is kept at a distance from other appliances emanating heat The SPEAKER OUTPUTS are high quality professional speaker connectors The pin designation of the speaker is pins 1 and 1 For details refer to the section Audio con nectors In mono bridged mode connect one loudspeaker to the middle jack MONO BRIDGE In any other mode connect one loudspeaker to OUTPUT A LOW and another to OUTPUT B HIGH Before you connect speakers to the BTX36000 turn it off The mains connection is established using a cable with an IEC mains connector This cable is delivered with the BTX Contr
8. arallel mode Parallel mode is identical to 2 channel mode except that the inputs of both channels are internally connected in parallel Channels A and B transmit the same signal which is useful for live applications with speakers positioned far apart Bi amping The BTX s active crossover is able to split up the signal into two frequency bands The mono signal s low frequency range chan nel A is separated from the high frequency range channel B The crossover frequency may be adjusted over the range of 50 Hz 1 kHz allowing you to select the frequency that corre sponds to the speakers available to you A OUTPUT A subwoofer OUTPUT B full range loud speaker Example EUROLIVE E1800X and ULTRA BASS BB410 crossover frequency lt 200 Hz A OUTPUT A B different full range loudspeakers Example ULTRABASS BB115 and ULTRABASS BB210 gt crossover frequency gt 300 Hz Effects Processor VIRTUALIZER PRO DSP2024P OT 5 Return Channel A BTX36000 Bi Amp Mode ULTRABASS BA410 Full Range Loudspeaker Chromatic Tuner ULTRABASS BA115 Bass Loudspeaker Bi amp operation The compressor A compressor is used to limit the dynamic range of a signal Signal peaks are lowered and soft signals are raised in volume thus reducing the difference between the highest and the lowest signal levels The result is a much more powerful sound Some playing te
9. cannot play unsu pervised with the unit or its packaging 2 Please ensure proper disposal of all packing materials Ensure adequate air supply and to avoid overheating do not place the unit near radiators etc gt Please make sure that all devices are proper ly grounded For your own safety never re move or disable the ground conductors from the devices or on the power cords The unit must always be connected to the mains out let with a protective grounding connection Important notes concerning installation gt The sound quality may diminish within the range of powerful broadcasting stations and high frequency sources Increase the dis tance between the transmitter and the de vice and use shielded cables for all connec tions Online registration Please do remember to register your new BUGERA equipment right after your purchase by visiting www bugera amps com and kindly read the terms and conditions of our warranty carefully Should your BUGERA product malfunction our goal is to have it repaired as quickly as possible To arrange for warranty ser vice please contact the retailer from whom the equipment was purchased Should your BUGERA dealer not be located in your vicinity you may directly contact the BEHRINGER company nearest to you This contact information is included in the original equipment packaging Global Contact Information European Contact Information Registering your purchase and equipment wit
10. chniques such as slapping lead to high level differences In this case a compressor can be used to make the low level dead notes clearly audible which gives the bass line even more groove What is more the sustain of long notes is extended Compressors work best if provided with high input signals If the signal level is low the effect will be activated only with high set tings If so enabling the compressor can lead to extreme level differences If GAIN is high the compressor comes in quite early In this case you don t need to turn up the COMPRESSION control that far to achieve an effect Experiment with it to find the best setting for your needs A Turn on the compressor 7 A Turn the COMPRESSION rotary knob 8 slowly to the right to increase the level of compression A Use the ON ACTIVE switch to compare the com pressed signal with the uncompressed signal About speaker impedance The total impedance of the speakers that you connect to the BTX36000 affects the power output The minimum speaker im pedance is 2 Ohms in stereo mode and 4 Ohms in mono bridged mode The BTX36000 supplies the most power into the minimum speaker impedance How to calculate the speaker impedance When using more than one speaker and each connecting to an other BTX speaker jack the speakers are connected in parallel To calculate the resulting total impedance of the speakers use the following formula Applications 7 1 Z ota
11. d to hook up a stage monitor the input signal is routed before the MUTE function so that the signal is always fed to the monitor speaker This also means that it is not affected by sound and level settings Connect the supplied footswitch to the FOOTSWITCH con nector Switch 1 activates and deactivates the graphic EQ Switch 2 turns the Effects Loop on and off Applications Modes of operation Mono bridged mode This mode is most commonly used on your BUGERA amplifier When running in mono bridged mode the voltage of both channels is added up and fed into a single loudspeaker system There is one input and one output signal respectively and only the controls of channel A and not of channel B are used Mono bridged mode is active when the button glows Examples A Driving a single 8 Ohm loudspeaker A Driving a single 4 Ohm loudspeaker ae ES gt ane 0 RACKTUNER BTR2000 Mono bridge mode Mono Bridge ULTRABASS BB410 ULTRABASS BB115 Mono bridged mode gt When the amp is overdriven for longer peri ods of time the output signal may occasion ally be muted for several seconds In certain situations excessive overdriving may trigger off the automated fuse To avoid overdriving the amp please continually make sure that an appropriate volume level is applied Caution gt The minimum load in mono bridged mode is 4 Ohms 2 Ohm loads should never be applied when i
12. efeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A ground ing type plug has two blades and a third ground ing 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 11 12 13 14 15 16 17 Protect the power cord from being walked on or pinched particularly at plugs convenience recep tacles and the point where they exit from the ap paratus Only use attachments accessories specified by the manufacturer 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 in jury from tip over LALA Unplug this apparatus during lightning storms or when unused for long periods of time 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 The apparatus shall be connected to a MAINS sock et outlet with a protective earthing connection Where the MAINS plug or an appliance coupler is used as
13. h us helps us process your repair claims quicker and more efficiently Thank you for your cooperation Control elements and connections Front panel N NUKE BTH36000 INPUT TUNER OUTPUT MASTER FREQUENCY BALANCE Front panel control elements Use the POWER switch to switch the BTX36000 on and off You should always make sure that the POWER switch is in the Off position when initially connecting the unit to the mains To disconnect the unit from the mains pull out the main cord plug When installing the product ensure that the plug is easily accessible If mounting in a rack ensure that the mains can be easily disconnected by a plug or by an all pole disconnect switch on or near the rack gt Please note that switching the unit off does not fully disconnect it from the mains When not using the unit for a long period of time please unplug the unit s power cord from the power outlet INPUT To connect an electric bass to the BUGERA amplifier use this 74 mono jack unbalanced TUNER OUTPUT jack To connect the BTX36000 to an electronic tuner use this 74 TS jack Alternatively use the TUNER OUTPUT found on the rear panel You can mute the main signal path to tune your instrument by pressing the MUTE button 4 INPUT features MUTE Use this button if you want to tune a bass without hearing the to
14. ho may subsequently purchase this product 8 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 8 8 U S Customers only THE FOREGOING CONSTITUTES THE ONLY WARRANTY MADE BY BEHRINGER WITH RESPECT TO THE PRODUCT AND IS MADE EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED Any implied warranties including without limitation any implied warranties of merchantability or fitness for any particular purpose imposed under state law are limited to the duration of this limited warranty Some states do not allow limitations on how long an implied warranty lasts so the above limitations may not be applicable to you BEHRINGER ASSUMES NO LIABILITY FOR PROPERTY DAMAGE RESULTING FROM FAILURE OF THIS PRODUCT NOR ANY LOSS OF INCOME SATISFACTION OR DAMAGES ARISING FROM THE LOSS OF USE OF SAME DUE TO DEFECTS OR AVAILABILITY OF SAME DURING SERVICE Customers in the European Union please contact BEHRINGER Germany Support for further details Technical specifications and appearance are subject to change without notice The information contained herein is correct at the time of printing RED CHIP COMPANY LTD accepts no liability for any loss which may be suffered by any person who relies either wholly or in part upon any description pho tograph or statement contained herein Colors a
15. l Mz 12 T where Z Z etc are each the impedance of a single speaker and Z is the resulting impedance of all speakers total For two speakers Z and Z the formula reads as z Zr total Z TZ Via the formula you get a 4 O load with A one 4 Ohm speaker A two 8 Ohm speakers A one 8 Ohm speaker and two 16 Ohm speakers gt As the speaker impedance decreases the output power of the BTX increases High out put power can damage your speakers As the speaker impedance increases the output power of the BTX decreases Installation Rack mounting The BUGERA can be mounted on a 19 rack requiring 3 U of space Use 4 screws and washers to fix it to the front of the rack Support the rear side ofthe BTX especially when often being transported Allow sufficient air circulation around the rack particularly when warm ventilation air of additional units enter the rack gt The fan speed adjusts automatically and en sures safe operation Never block ventilation openings Should internal temperature reach extreme values the unit will shut down auto matically Audio connectors The inputs of the BTX36000 as well as the EFFECTS LOOP and INSERT CHANNEL are mono TS connectors Strain relief clamp 9 Sleeve i 4 Tip Sleeve ground shield 4 Tip signal Unbalanced 14 TS connector 14 TS connector The
16. n mono bridged mode Safety precautions for mono bridged operation 2 Running your amp in mono bridged mode can quickly result in excessive overdriving and premature shutting down of the unit itself In the worst case scenario your loudspeak ers may be damaged permanently Therefore you should always make sure that the speak ers you use can indeed handle the power load fed into them gt A voltage of up to 100 V RMS is present be tween the output connectors of the BUGERA Always implement appropriate safety precau tions when connecting your speakers to avoid the risk of electric shock 2 channel mode stereo The 2 channel mode is a special feature of your BTX36000 Both channels operate fully independently from one another There is 6 Applications always a separate input signal as well as a separate output signal 2 channel mode is active when the button is not lit off Examples A 2 channel stereo playback A Two independent mono signals such as instrument signal and monitor mix A Bi amp operation whereby bass frequencies are run on channel A and high frequencies on channel B see 4 2 Bi amping RACKTUNER BTR200 Stereo Effects Processor VIRTUALIZER PRO Inputs 1 Outputs 1 2 A B BTX36000 Stereo Mode Output A ULTRABASS BA410 Full Range Loudspeaker 2 channel mode stereo P
17. nd specifications may vary slightly from product Our Products are sold through authorized dealers only This manual is copyrighted No part of this manual may be reproduced or transmitted in any form or by any means electronic or mechanical includ ing photocopying and recording of any kind for any purpose without the express written permission of RED CHIP COMPANY LTD BUGERA products are distributed exclusively by the BEHRINGER Group of companies globally and specifically by BEHRINGER Luxembourg S rl in the European Union ALL RIGHTS RESERVED 2009 RED CHIP COMPANY LTD Trident Chambers Wickhams Cay P O Box 146 Road Town Tortola British Virgin Islands 12 Limited warranty
18. ne This feature mutes the main signal path but not the TUNER output 15 dB If the CLIP LED 5 constantly illuminates and the GAIN control 6 is set to 0 zero the input level of the audio signal is too high In this case press this button to activate the pad The pad reduces the input sensitivity by 15 dB CLIP LED At various points in the signal path the BTX36000 monitors the level of the audio signal When the HM level is too high the CLIP LED warns that clipping can occur If the LED A occasionally illuminates the BTX clips only some peaks in the audio signal Occasional clipping does not reduce the sound quality and shows that the signal is strong enough A never illuminates the BTX does not clip any signal peaks in the audio signal The audio sig nal is probably too weak to make use of the full dynamic range Increase the GAIN 6 setting until the CLIP LED lights up only occasionally at the strongest signal peaks A constantly illuminates the BTX clips a large part of the audio signal and you will hear a distortion Lower the GAIN setting and check for extreme fader or control settings 6 GAIN control Use this control to boost or cut the level of the input signal COMPRESSOR section The ON ACTIVE switch activates and deactivates the com pressor The switch lights when the compressor is active and the light dims when the signal level exceeds the threshold The COMPRESSION control determines
19. ol elements and connections BREAKER automated fuse After eliminating the cause of faulty operation simply push the BREAKER back in and power up the unit again The BREAKER acts in place of common disposable fuses Caution Before engaging the BREAKER switch you should power down the unit POWER switch set to OFF EFFECTS LOOP jacks RETURN CHANNEL A B The unbalanced 74 jacks are used A to route a mono or stereo signal from an external effects unit back to the BTX When using a stereo effects processor route the right part of the effect signal to RETURN CHANNEL A and the left part of the effect signal to RETURN CHANNEL B 5 A When using a mono effects processor route the effect signal only to RETURN CHANNEL A SEND jack To send an audio signal from the BTX to an effects processor use this 74 TS jack INSERT CHANNEL section POWER AMP INPUT This unbalanced connector is used to feed a mono signal to the amplifier A as well as one to the amplifier B This separates the internal signal path from the amplifiers PREAMP OUTPUT This unbalanced connector is used to tap the preamplifier signal and feed it to an external ampli fier A When in BI AMP mode the low frequency range of the signal is sent through the PREAMP A LOW OUTPUT while the signal s high frequency range is sent through PREAMP B HIGH OUTPUT A When in two channel mode connect the PREAMP A LOW OUTPUT with the amplifier s right chan nel and
20. ootswitch connector Installation Specifications AUDIO INPUTS INPUT Input impedance RETURN CHANNEL A B Input impedance POWER AMP INPUT A B Input impedance AUDIO OUTPUTS TUNER OUTPUT Output impedance EFFECTS LOOP SEND Output impedance LINE OUTPUT A B Output impedance PREAMP OUTPUT A B Output impedance Output level Loudspeaker connectors Load impedance both channels driven bridged mono SYSTEM DATA Output power Peak power both channels driven Peak power both channels driven Peak power both channels driven Peak power bridged mono Tone control range BASS MID TREBLE ULTRA LOW BRIGHT ULTRA HIGH Graphic EQ range 33 Hz 80 Hz 150 Hz 300 Hz 600 Hz 900 Hz 2 kHz 5 kHz 8 kHz Compression ratio Signal to noise ratio POWER SUPPLY Power consumption Mains voltage Breaker 100 120 V 50 60 Hz 220 230 V 50 60 Hz Mains connector PHYSICAL WEIGHT Dimensions H x W x D Weight 1 x 1 4 mono jack unbalanced 1 MQ unbalanced 0 dB 80 kO unbalanced 15 dB 2 x Ya mono jack unbalanced 100 kQ unbalanced 2 x Ya mono jack unbalanced 30 kQ unbalanced 2 x Ya mono jack unbalanced min 2 2 kQ 1x mono jack unbalanced min 2 2 KQ 2 x XLR connector balanced 2 x Ya mono jack balanced or unbalanced 100 Q balanced 51 Q unbalanced 2 x Ya mono jack unbalanced min 2 kO unbalanced max 21 dBu 3 x professional speaker connector min 2 Q per channel min 4 Q 2x1950W 20 2x 1380W 40 2x 8
21. ration 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 P damage defects caused by force majeure or any other condition that is beyond the control of BEHRINGER Any repair or service performed by any person or entity other than a BEHRINGER authorized service center is not covered by this limited warranty Any repair or opening of the unit carried out by unauthorized personnel user included will void this limited warranty Any exchange of the tubes valves and associated biasing by any person or entity other than a BEHRINGER authorized service centre will void this limited warranty 8 Ifan inspection of the product by BEHRINGER shows that the defect in question is not covered by this limited warranty the inspection costs are payable by the customer 9 Products which do not meet the terms of this limited warranty 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 Costs for freight and packing will be invoiced separately C O D When the buyer has sent in a written repair order such costs will also be invoiced separately s gua 8 6 Warranty transferability This limited warranty is extended exclusively to the original buyer customer of retail dealer and is not transferable to anyone w
22. s will be indicated by BEHRINGER 3 Shipments without freight prepaid will not be accepted 8 5 Warranty regulations 1 Warranty services will be furnished only if the product is accompanied by a copy of the original retail dealer s invoice 2 Ifthe 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 materials or workmanship This limited warranty does not cover any such modification adaptation irrespective of whether it was carried out properly or not Under the terms of this limited 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 limited 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 Damage defects caused by the following conditions are not covered by this limited warranty gt improper handling neglect or failure to operate the unit in compliance with the instructions given in BEHRINGER user or service manuals gt connection or ope
23. s warranty as described under 8 5 BEHRINGER will at its discretion either replace the product by providing a new or reconditioned product or repair the product using suitable new or reconditioned parts In the case that other parts are used which constitute an improvement BEHRINGER may at its discretion charge the customer for the additional cost of these parts In case BEHRINGER decides to replace the entire product this warranty shall apply to the replacement product for the remaining initial warranty period i e one year from the date of purchase of the initial product 5 Ifthe warranty claim proves to be justified the product will be returned to the user freight prepaid 6 Warranty claims other than those indicated above are expressly excluded PLEASE RETAIN YOUR SALES RECEIPT AS IT IS YOUR PROOF OF PURCHASE COVERING YOUR LIMITED WARRANTY THIS LIMITED WARRANTY IS VOID WITHOUT SUCH PROOF OF PURCHASE 8 4 Return authorization number 1 To obtain warranty service the buyer or his authorized dealer must call BEHRINGER as exclusive distributor of BUGERA products see enclosed list during normal business hours BEFORE returning the product All inquiries must be accompanied by a description of the problem The buyer or his au thorized dealer will receive a return authorization number 2 Subsequently the product must be returned in its original shipping carton together with the return authorization number The return shipment addres
24. the PREAMP B HIGH OUTPUT with the left channel LINE OUTPUT features STEREO MONO This switch adjusts the routing of the LINE signal between wet with effects and dry without effects The switch is only effective when PRE POST has been pressed POST 33 A When in mono mode LINE channel A has the wet signal with all the external effects and LINE channel B has the dry signal with the internal signal path A When in stereo mode both LINE outputs have the wet signal with all external stereo effects PRE POST button To select the type of signal you want to send to a mixer recording unit use this button When this button is A pushed out PRE EQ and effects the BTX does not apply any preamp features TONE EQ EFFECTS to the audio signal A pushed in POST EQ and effects the BTX applies all preamp features to the audio signal BAL The internal signals of channels A and B are routed to this balanced XLR connector The type of signal depends on the settings of the controls and 33 BAL UNBAL The internal signals of channels A and B are routed to these unbalanced 74 TS connectors You can also connect these outputs to any balanced line inputs The type of signal depends on the settings of the controls and 33 TUNER OUTPUT jack To connect the BTX36000 to an electronic tuner use this 74 TS jack There is also a TUNER OUTPUT connector on the unit s front panel Both TUNER OUTPUT connectors may also be use
25. the corresponding slider To boost a frequency band move the corresponding slider up To cut a frequency band move the corresponding slider down LEVEL slider To compensate for possible level changes of the equalized signal slide this control between 12 and 12 At 0 level the BTX neither boosts nor cuts the equalized signal MASTER features MASTER control To adjust the speaker volume and the level of the PREAMP OUTPUT turn this control toward 0 no volume level or alternatively toward 10 maximum volume level Rear panel The FX ON switch activates the EFFECTS LOOP see 28 29 The FOOTSWITCH connector may be found on the rear panel 37 LIMITER button The limiter reduces only the signal peaks that can overdrive the POWER AMP and distort the audio signal The limiter prevents the BTX36000 from clipping these signal peaks To activate or deactivate the limiter push this button Typically the limiter does not affect the perceived signal dynamics For this reason we recommend to keep it switched on at all times CROSSOVER section The FREQUENCY rotary knob adjusts the crossover fre quency required in the BI AMP mode The frequency range below the crossover frequency is routed to amplifier A LOW whereas the range above the crossover frequency is routed to amplifier B HIGH The MONO BRIDGE switch activates the mono bridged mode The switch glows when the mode is active The BI AMP switch
26. the disconnect device the disconnect de vice shall remain readily operable CAUTION These service instructions are for use by qualified service personnel only To reduce the risk of electric shock do not perform any servicing other than that contained in the operation instruc tions unless you are qualified to do so Table of contents IMPORTANT NOTICE 3 Introduction 3 Before you get started 224400usn sn 3 Online registration wens ina ette 4 Control elements and connections 4 Front partiel Lc et ect edades 4 Rear partiel ice sh Asa 5 Applications 6 Modes of operation eese 6 Mono bridged mode sse 6 2 channel mode stereo 6 Parallel Moden 7 Bi amping 2 12 Reken 7 The CombpressOEF onieenineee cerei 7 About speaker impedance 7 Installation 8 Rack imounting 3 8 Audio connectors aui edat 8 Footswitch connector uuemssssneeesnnnnnennnennnnn ern 9 Specifications 10 System block diagram 11 Limited warranty 12 IMPORTANT NOTICE FAILURE TO OBSERVE THE FOLLOWING POINTS MAY RE SULT IN DAMAGE TO THE AMPLIFIER OR LOUDSPEAKERS DAMAGE CAUSED IN SUCH A WAY ARE NOT COVERED BY WARRANT Y 2 Observe the correct impedance for your loudspeaker and use the appropriate output socket gt Always use
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