Kustom V100 User's Manual
Contents
1. Width x 10 625 Depth 45 Ibs Effects Loop Dimensions Weight V100 Specifications Model Defender V100 All Tube guitar amp Tubes 4 EL34 power tubes 4 12AX7 preamp tubes 2 preamp 1 effects loop 1 phase inverter 16 8 or 4 Ohms 5 THD 2 X 12 inch Celestion Vintage 30 Input Impedance 1M ohms Input 1 100K ohms Input 2 85 dBV Residual Noise all level controls 096 minimum Rhythm Channel Nominal gain Input 1 Volume 5 All measurements taken with 1 KHz Lead Channel Nominal gain Input 1 Volume 5 input signal Tone controls flat Volume Halfway and Master Maximum Boost on 10 Reverb controls at 0 Measured at speaker jack at 16 ohms unless noted Power amp gain Effects Return to Speaker depending on Boost 70 dB Rhythm Channel with Volume half and Master Maximum Boost on 10 0 15 VRMS 16 dBV Levels w Boost on 10 to reach full power output 0 6 VRMS 4 dBV Levels w Boost on 0 to reach full power output Effects Send Tube driven Nominal load 10k ohms Effects Return Tube driven 100K ohm input impedance Master Volume Boost Adjustable from 0 to 10dB boost AFTER the Effects Loop After power amp with speaker emulation Output level Adjustable from 0 to 6 dBV nominal 3 dB Supplied Footswitch selects Rhythm or Lead Channel Boost and Reverb On Off Uses a standard stereo shielded cable but can use mono cable for emergency limited functions USA Canada 120VAC 60Hz 300W nominal Europe2. Internal speaker only 16 ohm setting b Internal speaker external 16 ohm speaker 8 ohm setting c Internal speaker external 8 ohm speaker 4 ohm setting although it s not matched d External 16 ohm speaker alone 16 ohm setting Incorrectly mismatching the amp to the speaker should not damage the amplifier but would result in lower output powers and could result in shorter output tube life 5 EL34 Output Tubes These power tubes were selected to provide the best com bination of performance and tube life and shouldn t require adjustment to their bias The amp uses a mixed bias system which is a combination of fixed and self bias tech niques to give the user the best of both worlds The result is that the amp will control its own bias to a certain point but without the typical reduction in power associated with normal self biased amp designs The V100 uses four EL34s in a push pull amplifier configuration 6 Phase Inverter Tube The phase inverter tube uses a single 12AX7 in what s called a long tail pair configuration This results in the most signal swing possible for driving a power amp and the most symmetrical drive capability as well 7 Effects Loop Boost Tube The Defender amplifiers use an all tube effects loop to preserve the tube sound through the signal path This single tube is used for both the Effects Loop Send Return and the footswitchable Volume Boost circuit 8 Preamp Tube 2 This 12AX7 is
3. The interactions between Volume and Master are described in detail in the pre vious section entitled 4 Lead Volume Pull Bright 10 Bass EQ This passive EQ adjusts the low frequency equalization of the amplifier It interacts with the Middle and Treble as described in the 12 Treble EQ section For a tighter low end use the Bass EQ set to lower settings This is particularly helpful when using the amp at very loud settings This EQ works for both Rhythm and Lead channels 11 Middle EQ This passive EQ adjusts the midrange equalization of the am plifier It interacts with the Bass and Treble EQ as described in the 12 Treble EQ section For a heavier more distorted sound set the Middle lower For more of a vintage style cleaner sound set the Middle higher This EQ works for both Rhythm and Lead channels 12 Treble EQ This passive EQ adjusts the high frequency equalization of the amplifier but also interacts with the Bass and Middle controls as follows As the Treble is increased the Bass automatically decreases and the Middle slides down in frequency Conversely if the Treble is decreased the Bass automati cally increases and the Middle slides up in frequency This interaction is typical of vintage style passive EQ and is responsible for the increased effectivity of such a simple system 13 Reverb Intensity The Reverb Intensity controls the amount of reverbera tion effect in the amplifier This effect is created by a
4. 230VAC 50Hz 300W nominal O Power Requirements 495 mm Height x 686 mm Width x 270 mm Depth 28 5kq Inches Pounds 19 5 Height x 27 Width x 10 625 Depth 63 Ibs Dimensions Weight 1 3 6 7 INPUT 1 bilia M uod INPUT 2 VOLUME VOLUME PULL BRIGHT PULL BRIGHT 2 4 5 8 9 10 MASTER MASTER 1 Input 1 This 1 4 input jack provides the highest gain through the amp It is considered to be the normal input 2 Input 2 This 1 4 input jack provides 6dB lower gain through the amp so it will allow for a cleaner sound It can also be useful when using pedals in front of the amp since it provides them more headroom through the front end If a guitar is plugged into both Inputs then they will mix together and will both be 6dB lower in gain 3 Rhythm Indicator the word Rhythm lights up when the Rhythm chan nel is active 4 Rhythm Volume Pull Bright The Rhythm Volume control adjusts the gain at the input of the amplifier when the Rhythm channel is active It is used in conjunction with the Rhythm Master to adjust the amount of distortion and volume for the channel For cleaner sounds this control should be set to low er settings and the Master set higher for slight breakup the controls should be set in their middle ranges for heavier distortion set the Rhythm Volume higher and the Master lower Pulling the Pull Bright will increase the high frequencies
5. the LFO It uses the Speed control to set the speed of oscillation and when combined with the Tremolo control can simulate many different effects from simple Tremolo to phase shifter sounds to rotary speaker simulations 18 Jeweled Pilot Light Indicates that the amplifier s power switch is in the On position 19 On Off Power Provides AC power to the amplifier when in the On posi tion switched to the left 20 Standby This allows the amplifier to be powered up but with the tubes in a non operational mode The Standby can be used instead of the power switch between performance sets since it allows the amp to shut down while keep ing the tubes warm and ready to go It s also best to power the amp up with this switch set to the right off position until the tubes have had a few minutes to warm up although modern tubes are more tolerant of this CAUTION RISK OF ELECTRIC SHOCK Austem DO NOT OPEN 4 ATTENTION ISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR KUSTOM AMPLIFICATION HEBRON KY USA e gt lt FOOTSWITCH E ASSIGNMENT lt gt CAUTION ATTENTION OQ d Q P CHASSIS SURFACE HOT SUPERFICE DE CHASSIS CHAUDE A REVERB FOOT GROUND DIRECT DIRECT TREMOLO m SWITCH LIFT OUT VOLUME 123 4 5 DESIGNED IN USA MADE IN CHINA MODEL DEFENDERV100 1 Footswitch Assignment This button selects which of the amp s effects are controlled by the Effects button on the footswitch If the switch is IN th
6. used on both channels but has the biggest impact to the lead channel since it has the additional stage required for the very large amount of gain 9 Preamp Tube 1 This 12AX7 is the input tube and as such is the most likely to cause microphonic problems especially in the lead channel and it is also shared by both channels If tube feedback occurs it can usually be corrected by swapping this 1st tube with one of the other tube locations since they have less gain following them and are less prone to feedback The first tube also has the greatest affect on the cleaned up tone of the amp i e the tone when the guitar is turned down Footswitch LEAD BOOS _ EFFEC I Q Q CHANNEL 1 1 Lead The Lead footswitch selects between Rhythm and Lead Chan nels on the amplifier regardless of the setting of the channel selector switch on the front panel lf the LEAD word is backlit then the Lead channel is active If the LEAD word is unlit then the Rhythm channel is active 2 Boost The Boost footswitch selects the adjustable volume boost as determined on the back of the Defender amplifier This gives up to 10dB of master volume boost and the tone is optimized for solos It affects either channel and when the Boost is backlit the Volume Boost control on the amp is functional 24 3 Effect The Effect footswitch activates the Reverb on the V50 and is switch assignable for Reverb or Tremo
7. ERT THE USER TO THE PRESENCE OF NON INSULATED DANGEROUS VOLTAGE WITHIN THE PRODUCT S ENCLOSURE THAT MAY BE OF SUFFICIENT MAGNITUDE TO CONSTITUTE A RISK OF ELECTRIC SHOCK TO PERSONS THIS SYMBOL IS INTENDED TO ALERT THE USER TO THE PRESENCE OF IMPORTANT OPERATING AND MAINTENANCE SERVICING INSTRUCTIONS IN THE LITERATURE ACCOMPANYING THE UNIT APPARATUS SHALL NOT BE EXPOSED TO DRIPPING OR SPLASHING AND THAT NO OBJECTS FILLED WITH LIQUIDS SUCH AS VASES SHALL BE PLACED ON THE APPARATUS IMPORTANT SAFETY INSTRUCTIONS Read all safety and operating instructions before using this product All safety and operating instructions should be kept for future reference Read and understand all warnings listed on the operating instructions Follow all operating instructions to operate this product This product should not be used near water i e Bathtub sink swimming pool wet basement etc Only use dry cloth to clean this product Do not block any ventilation openings It should not be placed flat against a wall or placed in a built in enclosure that will impede the flow of cooling air Do not install this product near any heat sources such as radiators heat registers stove or other apparatus including heat producing amplifiers that produce heat 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
8. EX OWNER S MANUAL EIN DEFENDER V50 and V100 GUITAR AMPLIFIERS kustom com ENGLISH Danger Exposure to extremely high noise levels may cause a permanent hearing loss Individuals vary considerably to noise induced hearing loss but nearly everyone will lose some hearing if exposed to sufficiently intense noise for a sufficient time The U S Government s Occupational Safety and Health Administration OSHA has specified the following permissible noise level exposures DURATION PER DAY HOURS 8 6 4 3 2 1 SOUND LEVEL dB 90 93 95 97 100 103 According to OSHA any exposure in the above permissible limits could result in some hearing loss Ear plugs or protectors in the ear canal or over the ears must be worn when operating this amplification system in order to prevent a permanent hearing loss If exposure in excess of the limits as put forth above to insure against potentially harmful exposure to high sound pressure levels it is recommended that all persons exposed to equipment capable of inducing high sound pressure levels such as this amplification system be protected by hearing protectors while this unit is in operation 5 CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION 7O REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE CHASSIS NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL AVIS RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR THIS SYMBOL IS INTENDED TO AL
9. TRE REPAREE PAR L UTILISATEUR CONFIER LE SERVICE APRES VENTE AUX REPARATEURS AGREES CE SYMBOLE A POUR BUT D AVERTIR L UTILISATEUR DE LA PRESENCE DE VOLTAGE DANGEREUX NON ISOLE A L INTERIEUR DE CE PRODUIT QUI PEUT ETRE DE PUISSANCE SUFFISAMMENT IMPORTANTE POUR PROVOQUER UN CHOC ELECTRIQUE AUX PERSONNES CE SYMBOLE A POUR BUT D AVERTIR L UTILISATEUR DE LA PRESENCE D INSTRUCTIONS D UTILISATION ET DE MAINTENANCE DANS LES DOCUMENTS FOURNIS AVEC CE PRODUIT AFIN DE REDUIRE LES RISQU D INCENDIE ET DE DECHARGE ELECTRIQUE NE PAS EXPOSER CET APPAREIL A LA PLUIE OU A L HUMIDITE Pb 10 IMPORTANTES INSTRUCTIONS DE SECURITE Lire avec attention toutes les recommandations et precautions d emploi avant d utiliser ce produit Toutes les recommandations et pr cautions d emploi doivent tre conserv es afin de pouvoir s y reporter si n cessaire Lire et comprendre tous les avertissements num r s dans les pr cautions d emploi Suivre toutes les pr cautions d emploi pour utiliser ce produit Ce produit ne doit pas tre utilis pr s d eau comme par exemple baignoires viers piscine sous sol humides Etc Utiliser exclusivement un chiffon sec pour nettoyer ce produit Ne bloqu r aucune ouverture de ventilation Ne pas placer le produit tout contre un mur ou dans une enceinte fern e cela g nerait le flux d air n cessaire au refroidissement Ne pas placer le produit pr s de toute source de chaeur telle que r
10. adiateurs arriv es d air chaud fourneaux ou autres appareils g n rant de la chaleur incluant les amplificateurs producteurs de chaleur Ne pas n gliger la s curit que procure un branchement polaris ou avec raccordement la terre Un branchement polaris comprend deux fiches dont l une est plus large que l autre Un branchement la terre comprend deux fiches plus une troisi me reli e la terre Si la fiche secteur fournie ne s insert pas dans votre prise de courant consulter un lectricien afin de remplacer votre prise obsol te Prot ger le cordon d alimentation de tout crasement ou pincement particuli rement au niveau des fiches des r ceptacles utilis s et l endroit de sortie de l appareil Ne pas 12 Utiliser uniquement avec le chariot de casser la fiche de terre du cordon d alimentation 11 Utiliser uniquement les accessoires sp cifi s par le constructeur transport le support le tr pied la console ou la table sp cifi s par le constructeur ou vendus avec l appareil Lors de l utilisation d un chariot bouger avec pr caution l ensemble chariotlappareil afin d viter les dommages d un renversement 13 D brancher cet appareil lors d orages ou s il n est pas utilis pendant une longue p riode 14 Des pr cautions doivent tre prises afin qu aucun objet ne tombe et qu aucun liquide ne se r pande l int rieur de l appareil par les orifics de ventilation ou n importe qu
11. also interacts with the Bass and Middle controls as follows As the Treble is increased the Bass automatically decreases and the Middle slides down in frequency Conversely if the Treble is decreased the Bass automatically increases and the Middle slides up in frequency This interac tion is typical of vintage style passive EQ and is responsible for the increased effectivity of such a simple system 13 Reverb Intensity The Reverb Intensity controls the amount of rever beration effect in the amplifier This effect is created by an authentic spring reverb pan and sounds essentially like playing the amp in a large room The Reverb can be defeated with the footswitch or by turning the Intensity control fully counter clockwise 14 Reverb Tone A traditional Kustom feature the Reverb Tone allows the user to fine tune the sound of the reverb effect Turning this Tone fully clock wise yields a very bright reverb effect with emphasized spring By turning the Reverb Tone down a warmer less springy sounding reverb effect results The warmer reverb tone allows for more reverb intensity without dominating the sound 15 Jeweled Pilot Light Indicates that the amplifier s power switch is in the On position 16 On Off Power Provides AC power to the amplifier when in the On position switched to the left 17 Standby This allows the amplifier to be powered up but with the tubes in a non operational mode The Standby can b
12. aster set higher for slight breakup the controls would be set in their middle ranges for heavier distortion set the Lead Volume higher and the Master lower Pulling the Pull Bright will increase the high frequencies of the signal while also reducing low frequencies for a chunkier tighter attack This function is very useful for fine tuning the amp s tone and feel for different guitars 9 Lead Master The Lead Master sets the overall volume of the Lead chan nel and can be used to balance the volumes between it and the Rhythm channel The interactions between Volume and Master are described in detail in the previous section entitled 8 Lead Volume Pull Bright 10 Bass EQ This passive EQ adjusts the low frequency equalization of the amplifier It interacts with the Middle and Treble as described in the 12 Treble EQ section For a tighter low end use the Bass EQ set to lower settings This is particularly helpful when using the amp at very loud settings This EQ works for both Rhythm and Lead channels 11 Middle EQ This passive EQ adjusts the midrange equalization of the amplifier It interacts with the Bass and Treble EQ as described in the 12 Treble EQ section For a heavier more distorted sound set the Middle lower For more of a vintage style cleaner sound set the Middle higher This EQ works for both Rhythm and Lead channels 12 Treble EQ This passive EQ adjusts the high frequency equalization of the amplifier but
13. bes Power Amp Tubes 2 EL34 power tubes Preamp Tubes 4 12AX7 preamp tubes 2 preamp 1 effects loop 1 phase inverter 50 W RMS 16 8 or 4 Ohms 5 THD 1 X 12 inch Celestion Vintage 30 Input Impedance 1M ohms Input 1 100K ohms Input 2 85 dBV Residual Noise all level controls 096 minimum om All measurements taken with 1 KHz Lead Channel Nominal gain Input 1 Volume 5 input signal Tone controls flat Volume Lead Channel Maximum gain Input 1 Volume 10 Halfway and Master Maximum Boost on 10 Reverb controls at 0 Measured at speaker jack at 16 ohms unless noted Power amp gain Effects Return to Speaker depending on Boost 0 15 VRMS 16 dBV Levels w Boost on 10 to reach full power output 0 6 VRMS 4 dBV Levels w Boost on 0 to reach full power output Effects Send Tube driven Nominal load 10k ohms Effects Return Tube driven 100K ohm input impedance Master Volume Boost Adjustable from 0 to 10dB boost AFTER the Effects Loop After power amp with speaker emulation Output leve Adjustable from 0 to 10 dBV nominal 6 dB Footswitch Supplied Footswitch selects Rhythm or Lead Channel Boost and Reverb On Off Uses a standard stereo shielded cable but can use mono cable for emergency limited functions USA Canada 120VAC 60Hz 180W nominal Europe 230VAC 50Hz 180W nominal D O Power Requirements 475 mm Height x 575 mm Width x 270 mm Depth 20 5ka Inches Pounds 18 75 Height x 22 75
14. d of the Celestion Vintage 30 loudspeaker This output is very useful for direct recording and especially helpful for live applications since it eliminates a live microphone on stage and the resulting feedback potential The V50 amplifier should never be operated without a speaker plugged into a speaker jack Austen KUSTOM AMPLIFICATION HEBRON KY USA DESIGNED IN USA MADE IN CHINA MODEL DEFENDERV50 V50 Back Panel AN AN A EFFECTS EFFECTS RETURN SEND BOOST VOLUME 4 Direct Volume Sets the level of the speaker emulated direct out This control should be set as high as possible for the best signal to noise ratio 5 Boost Volume The Boost Volume knob controls the amount of footswit chable boost and is particularly useful for solos It will provide up to 10dB of Master Volume boost and boosts both channels The tone is optimized to increase the volume without sacrificing too much headroom in the power amp so the resulting solo cuts through The boost is active if the footswitch is unplugged 6 Effects Return This 1 4 jack breaks the flow of amplifier signal to allow an external effects device to return to the amp The Return jack can also be used for a power amp input when using an external preamp This all tube ef fects loop is known as a series loop since it breaks the path of the amplifier and inserts the effect in series 7 Effects Send This 1 4 jack delivers a tube driven preamp s
15. e foot switch will control the Reverb and the Tremolo will only be controlled by the Pull Active Switch on the Speed control If the Footswitch Assignment button is OUT then the Reverb will be active always and the footswitch will remotely control the Tremolo Vibrato overriding the setting of the Pull Active Switch on the Speed control 2 Footswitch The Footswitch jack on the V100 is a stereo jack that connects the V100 footswitch to the amplifier It uses a special circuit to decode the 3 switches through a simple stereo cable In an emergency a mono instrument cable can be used to allow footswitching of the channels only In this setup the LEDs will not be visible but at least the footswitch will select Rhythm or Lead channels 3 Ground Lift The Ground Lift switch disconnects pin 1 of the XLR Direct Out jack to eliminate a ground loop hum A ground loop can exist when the V100 and the mixer it is plugged into are connected to grounded outlets that are in physically different locations and or on different circuits and should only be used if there is an audible hum Pressing the ground lift does not disconnect the ground connection from the V100 s chassis 4 Direct Out The XLR Direct Out jack is designed to connect the V100 ampli fier to a recording or live mixer The output is speaker emulated and mimics the sound of the Celestion Vintage 30 loudspeaker This output is very useful for direct recording and especially help
16. e used instead of the power switch between performance sets since it allows the amp to shut down while keeping the tubes warm and ready to go It s also best to power the amp up with this switch set to the right off position until the tubes have had a few minutes to warm up although modern tubes are more tolerant of this T FOOT GROUND DIRECT DIRECT SWITCH LIFT OUT VOLUME 1 2 3 4 NO USER SERVICEABLE PARTS 1 Footswitch The Footswitch jack on the V50 is a stereo jack that con nects the V50 footswitch to the amplifier It uses a special circuit to decode the three switches through a simple stereo cable In an emergency a mono instrument cable can be used to allow footswitching of the channels only In this setup the LEDs will not be visible but at least the footswitch will select Rhythm or Lead channels 2 Ground Lift The Ground Lift switch disconnects pin 1 of the XLR Direct Out jack to eliminate a ground loop hum A ground loop can exist when the V50 and the mixer it is plugged into are connected to grounded outlets that are in physically different locations and or on different circuits and should only be used if there is an audible hum Pressing the ground lift does not disconnect the ground connection from the V50 s chassis 3 Direct Out The XLR Direct Out jack is designed to connect the V50 ampli fier to a recording or live mixer The output is speaker emulated and mim ics the soun
17. ed without a speaker plugged into a speaker jack 4 Impedance Selector This switch is used to select the appropriate impedance and is important in achieving the desired results from the V50 amplifiers The correct impedance should be selected using the Impedance Selector Switch as follows a Internal speaker only 16 ohm setting b Internal speaker external 16 ohm speaker 8 ohm setting c Internal speaker external 8 ohm speaker 4 ohm setting although it s not matched d External 16 ohm speaker alone 16 ohm setting Incorrectly mismatching the amp to the speaker should not damage the amplifier but would result in lower output powers and could result in shorter output tube life 6 D Q 5 EL34 Output Tubes These power tubes were selected to provide the best com bination of performance and tube life and shouldn t require adjustment to their bias The amp uses a mixed bias system which is a combination of fixed and self bias techniques to give the user the best of both worlds The result is that the amp will control its own bias to a certain point but without the typical reduction in power associated with normal self biased amp designs The V50 uses two EL34s in a push pull amplifier configuration 6 Phase Inverter Tube The phase inverter tube uses a single 12AX7 in what s called a long tail pair configuration This results in the most signal swing possible for driving a power amp and the most symmetrical dr
18. elle autre ouverture 15 Pour toutes interventions techniques s adresser un technicien qualifi L intervention technique est n cessaire lorsque l appareil a t endommag de n importe quelle fa on comme par exemple si le cordon secteur ou sa fiche sont d t rior s si du liquide a coul ou si des objets sont tomb s l int rieur de l apparei1 si l appareil a t expos a la pluie ou l humidit s il ne fonctionne pas normalement ou s il est tomb 16 ATTENTION Pour r duire le risque d incendie ou de choc electrique ne pas exposer l appareil la pluie ou l humidit 17 Quand la prise MAINS au coupler est utilis pour la source d alimentation lectrique il est conseill de garder cette prise facilement accessible FCC Statements 1 Caution Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment 2 Note This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference wil
19. es NOT break the flow of the amplifier signal To connect two Defender amplifiers in stereo a stereo effects device can be driven from one Defender amp s Send and the device s two stereo outputs can be returned to both Defender amp Returns V100 Bottom SPEAKER OUTPUTS 100w rms 40v RMS SX WA LE D RZ 1 Power Cord Receptacle Fuse Holder Insert the AC cord provided firmly into the AC connector NOTE Replace the AC power cord if protective jacket is damaged or ground pin is damaged or removed The fuse is located in a housing just below the re ceptacle Replace only with same type and size To remove the fuse remove AC power cord and pull out on the tab above the fuse symbol located on the fuse carriage Place the new fuse in the carriage clip and re insert NOTE To prevent an electrical hazard DO NOT replace fuse without using the fuse carriage Replace the fuse carriage if lost or damaged before re inserting the AC power cord 2 amp 3 Speaker Outputs These 1 4 jacks are provided to connect the internal and or external speakers to the V100 amplifier The V100 amplifier should never be operated without a speaker plugged into a speaker jack 4 Impedance Selector This switch is used to select the appropriate impedance and is important in achieving the desired results from the V100 amplifiers The correct impedance should be selected using the Impedance Selector Switch as follows a
20. for each channel means that the Rhythm channel of the V100 can be used for slight breakup sounds at lower volumes rather than strictly being a clean channel These settings are described in detail in the previous section entitled 4 Rhythm Volume Pull Bright 6 Channel Selector Switch When the footswitch is NOT plugged into the footswitch jack this switch allows the user to select either Rhythm or Lead channels on the V100 If the footswitch IS plugged in it over rides the front panel switch 17 7 Lead Indicator the word Lead lights up when the Lead channel is ac tive 8 Lead Volume Pull Bright The Lead Volume control adjusts the gain at the input of the amplifier when the Lead channel is active It is used in conjunc tion with the Lead Master to adjust the amount of distortion and volume for the channel For cleaner sounds this control would be set to lower settings and the Master set higher For slight breakup the controls would be set in their middle ranges For heavier distortion set the Lead Volume higher and the Master lower Pulling the Pull Bright will increase the high frequencies of the signal while also reducing low frequencies for a chunkier tighter attack This function is very useful for fine tuning the amp s tone and feel for different guitars 9 Lead Master The Lead Master sets the overall volume of the Lead channel and can be used to balance the volumes between it and the Rhythm channel
21. ful for live applications since it eliminates a live mi Chassis Made in China AA A BOOST EFFECTS VOLUME RETURN EFFECTS SEND NO USER SERVICEABLE PARTS V100 Back Panel 6 7 8 crophone on stage and the resulting feedback potential The V100 amplifier should never be operated without a speaker plugged into a speaker jack 5 Direct Volume Sets the level of the speaker emulated direct out This control should be set as high as possible for the best signal to noise ratio 6 Boost Volume The Boost Volume knob controls the amount of footswitchable boost and is particularly useful for solos It will provide up to 10dB of Master Volume boost and boosts both channels The tone is optimized to increase the volume without sacrificing too much headroom in the power amp so the resulting solo cuts through The boost is active if the footswitch is unplugged 7 Effects Return This 1 4 jack breaks the flow of amplifier signal to allow an external effects device to return to the amp The Return jack can also be used for a power amp input when using an external preamp This all tube effects loop is known as a series loop since it breaks the path of the amplifier and inserts the effect in series 8 Effects Send This 1 4 jack delivers a tube driven preamp signal to exter nal effects devices It can be used to send the signal to another amplifier to run multiple amps Connecting a 1 4 plug do
22. ignal to ex ternal effects devices It can be used to send the signal to another amplifier to run multiple amps Connecting a 1 4 plug does NOT break the flow of the amplifier signal To connect two Defender amplifiers in stereo a stereo effects device can be driven from one Defender amp s Send and the device s two stereo outputs can be returned to both Defender amps Returns V50 Bottom EL34 O a 4n 82160 ol No 16 0 INTERNAL SPEAKER OUTPUTS 50W RMS 28V RMS A SPEAKER MUST BE PLUGGED IN te RZ RZ IMPEDANCE SELECTOR EL34 o O O 2 12AX7 12AX7 QOO 12AX7 12AX7 1 Power Cord Receptacle Fuse Holder Insert the AC cord provided firmly into the AC connector NOTE Replace the AC power cord if protective jacket is dam aged or ground pin is damaged or removed The fuse is located in a housing just below the receptacle Replace only with same type and size To remove the fuse remove AC power cord and pull out on the tab above the fuse symbol located on the fuse carriage Place the new fuse in the carriage clip and re insert NOTE To prevent an electrical hazard DO NOT replace fuse without using the fuse carriage Replace the fuse carriage if lost or damaged before re inserting the AC power cord 2 amp 3 Speaker Outputs These 1 4 jacks are provided to connect the internal and or external speakers to the V50 amplifier The V50 amplifier should never be oper at
23. ive capability as well 7 Effects Loop Boost Tube The Defender amplifiers use an all tube effects loop to preserve the tube sound through the signal path This single tube is used for both the Effects Loop Send Return and the footswitchable Volume Boost circuit 8 Preamp Tube 2 This 12AX7 is used on both channels but has the biggest im pact to the lead channel since it has the additional stage required for the very large amount of gain 9 Preamp Tube 1 This 12AX7 is the input tube and as such is the most likely to cause microphonic problems especially in the lead channel and it is also shared by both channels If tube feedback occurs it can usually be corrected by swapping this first tube with one of the other tube locations since they have less gain following them and are less prone to feedback The first tube also has the greatest affect on the cleaned up tone of the amp i e the tone when the guitar is turned down max 3 6 7 DT CCo ua n O DA bac E Aor TONE z a N 9 SS BASS 10 11 OLUME MIDDLE r BRIGHT MASTER VOLUME PULL BRIGHT MASTER 2 4 5 8 9 1 Input 1 This 1 4 input jack provides the highest gain through the amp It is considered to be the normal input 2 Input 2 This 1 4 input jack provides 6dB lower gain through the amp so it will allow for a cleaner sound It can also be useful when usi
24. l not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help V50 Signal Flow Diagram EL34 POWER AMP SPEAKER 16 9A zag RIGHT GAIN MASTER TONE LEVEL 12AX7 T2AX7 L 12AX7 EFFECTS EFFECT VOLUME Lnd INPUT GAIN STAGES RHYTHM tg REVERB SWITCH LOOP us INVERTER IN SELECTOR BRIGHT MASTER l TUBE 7 oL TI TONE STACK M zl um JL L LEAD LEADH F OT SW FOOT sw SEND H gt LOW e FOOT SW EXTENSION VRETURN MS ENGIU T NM EMULATED DIRECT OUT V100 Signal Flow Diagram E POWER AMP SPEAKER g OUTS 16 6 o4 RATE TONE AX BRIGHT GAIN m MASTER TREMOLO3 2 VIBRATO LEVEL PAT 12AX7 NE INPUT GAIN STAGES pots EFFECT EFFECT ee INVERTER RHYTHM 222 RHYTHM CHE VIBRATO SWITCH REVERBIA SWITCH LOOP HI 1 fred L p BRIGHT GAIN TONE STACK T f FOGTSWITCH fs LEAD FOOT SW _ SEN LEA l 1 IN EXTENSION L FOOT SW LOW 2 RETURN VOLUME ania SPEAKER EMULATED DIRECT OUT V50 Specifications Defender V50 All Tube guitar amp Tu
25. lo on the V100 When Effect is backlit the appropriate effect is activated Emergency Mono Cable Use If the stereo cable or footswitch were dam aged a regular instrument amp cable or single button footswitch can be used to provide limited capability If a mono cable were used the Chan nel Selection Lead button would select between Rhythm and Lead but it would not illuminate Also the Boost function would be disabled and on the V50 the Reverb would also be disabled On the V100 either Reverb or Tremolo could still be used since selecting the other with the footswitch assign button would disable it www kustom com Kustom Amplification Inc 3015 Kustom Drive Hebron Kentucky USA 41048 888 4 KUSTOM 888 458 7866 All specifications are subject to change without prior notice 2010 Kustom Lx
26. n authentic spring reverb pan and sounds essentially like playing the amp in a large room The Reverb can be defeated with the footswitch or by turning the Intensity control fully counter clockwise 14 Reverb Tone A traditional Kustom feature the Reverb Tone allows the user to fine tune the sound of the reverb effect Turning this Tone fully clock wise yields a very bright reverb effect with emphasized spring By turning the Reverb Tone down a warmer less springy sounding reverb effect results The warmer reverb tone allows for more reverb intensity without dominating the sound 15 Tremolo This control sets the intensity of the Tremolo effect Tremolo is also called Amplitude Modulation since it is an effect that changes the ampli tude of the dry signal using a low frequency oscillator or LFO This vintage Kustom circuit uses the Speed control to set the speed of the oscillation and can be set from very slow to a very high speed 16 Speed Pull Active This control sets the speed of the Vibrato and Tremolo effects which are synchronized If the switch is pushed in the Vibrato Tremolo circuit is not in the signal path When the footswitch is engaged it will override the Pull Active switch if the Footswitch Assignment Switch is in the Out posi tion 17 Vibrato This vintage Kustom circuit creates a pitch shift otherwise known as Frequency Modulation since it affects the apparent frequency of the dry sig nal using
27. ng pedals in front of the amp since it provides more headroom through the front end If a guitar is plugged into both inputs then they will mix together and will both be 6dB lower in gain 3 Rhythm Indicator the word Rhythm lights up when the Rhythm channel is active 4 Rhythm Volume Pull Bright The Rhythm Volume control adjusts the gain at the input of the amplifier when the Rhythm channel is active It is used in conjunction with the Rhythm Master to adjust the amount of distortion and volume for the channel For cleaner sounds this control would be set to lower settings and the Master set higher For slight breakup the controls would be set in their middle ranges For heavier distortion set the Rhythm Volume higher and the Master lower Pulling the Pull Bright will increase the high frequencies of the signal while also reducing low frequencies for a chunkier tighter attack This function is very useful for fine tuning the amp s tone and feel for different guitars V100 Front Panel OO TREBLE 12 REVERB gt o4 gt o4 O gt a gt a INTENSITY TONE TREMOLO VIBRATO TREMOLO SPEED VIBRATO PULL ACTIVE KUSTOM AMPLIFICATION ALL TUBE COMBO AMP 13 14 15 16 20 5 Rhythm Master The Rhythm Master sets the overall volume of the Rhythm channel and can be used to balance the volumes between it and the Lead channel The inclusion of individual Master volumes
28. of the signal while also reducing low frequencies for a chunkier V50 Front Panel O 000 TONE REVERB DEFENDER n IP ALLTUBE COMBO AMP MIDDLE INTENSITY TONE 11 12 13 14 TREBLE 17 tighter attack This function is very useful for fine tuning the amp s tone and feel for different guitars 5 Rhythm Master The Rhythm Master sets the overall volume of the Rhythm channel and can be used to balance the volumes between it and the Lead channel The inclusion of individual Master volumes for each channel means that the Rhythm channel of the V50 can be used for slight breakup sounds at lower volumes rather than strictly being a clean channel These settings are described in detail in the previous section entitled 4 Rhythm Vol ume Pull Bright 6 Channel Selector Switch When the footswitch is NOT plugged into the footswitch jack this switch allows the user to select either Rhythm or Lead channels on the V50 If the footswitch IS plugged in it over rides the front panel switch 7 Lead Indicator the word Lead lights up when the Lead channel is ac tive 8 Lead Volume Pull Bright The Lead Volume control adjusts the gain at the input of the amplifier when the Lead channel is active It is used in conjunc tion with the Lead Master to adjust the amount of distortion and volume for the channel For cleaner sounds this control would be set to lower settings and the M
29. onnect device the disconnect device shall remain readily operable DA PU 83125A FRENCH Danger L exposition a des niveaux eleves de bruit peut provoquer une perte permanente de l audition Chaque organisme humain reagit differemment quant a la perte de l audition mais quasiment tout le monde subit une diminution de l acuite auditive lors d une exposition suffisamment longue au bruit intense Les autorites competentes en reglementation de bruit ont defini les expositions tolerees aux niveaux de bruits DURE EN HEURES PAR JOUR 0 6 4 3 2 1 9 93 95 97 100 103 INIVEAU SONORE CONTINU EN dB Selon les autorites toute exposition dans les limites citees ci dessus peuvent provoquer certaines pertes d audition Des bouchons ou protections dans l appareil auditif ou sur l oreille doivent etre portes lors de l utilisation de ce systeme d amplification afin de prevenir le risque de perte permanente de l audition Dans le cas d expositions superieures aux limites precitees il est recommande afin de se premunir contre les expositions aux pressions acoustiques elevees potentiellement dangeureuses aux personnes exposees aux equipements capables de delivrer de telles puissances tels ce systeme d amplification en fonctionnement de proteger l appareil auditif ATTENTION RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR ATTENTION AFIN DE LIMITER LE RISQUE DE CHOC ELECTRIQUE NE PAS ENLEVER LE CHASSIS NE CONTIENT PAS DE PIECES POUVANT E
30. 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 being walked on or pinched 11 12 19 14 15 16 17 particularly at Plugs convenience receptacles and the point where they exit from the apparatus Do not break the ground pin of the power supply cord Only use attachments 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 cart apparatus combination to avoid injury from tip over Unplug this apparatus during lightning storms or when unused for long periods of time Care should be taken so that objects do not fall and liquids are not spilled into the unit through the ventilation ports or any other openings 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 WARNING To reduce the risk of fire or electric shock do not expose this apparatus to rain or moisture When the MAINS plug or an appliance coupler is used as the disc
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