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Congratulations. You are now the owner of a world-class, all-tube, 
3-channel  guitar  head.  The  Double  Cross  represents  countless 
hours of development in pursuit of tone and performance intended 
to elevate the art of high-gain amplification to the next level. Learn 
its controls and capabilities and be sure to experiment, as that’s the 
best way to understand the amplifier and develop your own signa-
ture sounds. All of us at Kustom say “Thank You” for your purchase.  
Welcome to the Kustom family!

    

Summary of Contents for Double Cross none

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Page 2: ...ls 10 Lead Channel II Controls 12 Mastering the Cross 14 Rear Control Panel 16 Amp Specifications 20 Signal Flow Diagram 21 Kustom Amplification All specifications are subject to change without prior notice Kustom Amplification 3015 Kustom Drive Hebron KY U S A 41048 www kustom com 1 888 4KUSTOM 1 888 458 7866 ...

Page 3: ... not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will 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 inter...

Page 4: ...ent in pursuit of tone and performance intended to elevate the art of high gain amplification to the next level Learn its controls and capabilities and be sure to experiment as that s the best way to understand the amplifier and develop your own signa ture sounds All of us at Kustom say Thank You for your purchase Welcome to the Kustom family ...

Page 5: ...4 S a f e t y I n f o r m a t i o n ...

Page 6: ...5 S a f e t y I n f o r m a t i o n ...

Page 7: ...6 S a f e t y I n f o r m a t i o n ...

Page 8: ...7 S a f e t y I n f o r m a t i o n ...

Page 9: ...otswitch When using the footswitch set Channel Selector to Footswitch position 4 LEAD I These six controls plus the Cross and its four switches pro vide complete control over the tone gain and attack characteristics as well as the overall loudness of the Lead I channel 5 RHYTHM These six controls and two switches control the tone gain and attack characteristics as well as the overall loudness of t...

Page 10: ...f the entire amplifier The Master is also after the effects loop 11 JEWELED PILOT LIGHT Indicates that the amplifier s power switch is in the On position 12 STANDBY This allows the amplifier to be powered up but with the tubes in a non operational mode The Standby can be used in stead of the power switch between performance sets since it allows the amp to shut down while keeping the tubes warm and...

Page 11: ... automatically increases and the Middle slides up in frequency This interaction is typical of vintage style passive EQ and is responsible for the increased efficiency of such a simple sys tem 3 MIDDLE This passive EQ adjusts the midrange equalization of the amplifier It interacts with the Bass and Treble as described in the Treble EQ section For a heavier more distorted sound set the Mid dle lower...

Page 12: ...ease the high frequencies of the signal while also reduc ing low frequencies for a chunkier tighter attack 9 GAIN The Gain control adjusts the gain at the input of the am plifier and is used in conjunction with the Volume control to adjust the amount of distortion and vol ume for this channel For cleaner sounds the Gain control should be set in its lower range and the Vol ume set higher For some b...

Page 13: ... 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 automatically increases and the Middle slides up in frequency 3 MIDDLE This passive EQ adjusts the midrange equalization...

Page 14: ...center of the Cross For more in formation see the Cross section of this manual 7 VOLUME The Volume control sets the overall level of the Lead I channel and can be used to bal ance the volume between it and the other channels 8 GAIN The Gain control adjusts the gain at the input of the am plifier and is used in conjunction with the Volume control to adjust the amount of distortion and vol ume for t...

Page 15: ...e 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 3 MIDDLE This passive EQ adjusts the midrange equalization of the amplifier It interacts with the Bass and Treble as described in the Treble EQ section For a heavier more distorted sound set the Mid dle lower For more of...

Page 16: ...n of this manual 7 VOLUME The Volume con trol sets the overall level of the Lead II channel and can be used to balance the volume between it and the other chan nels 8 GAIN The Gain control ad justs the gain at the input of the amplifier and is used in conjunction with the Volume control to adjust the amount of distortion and volume for this channel For cleaner sounds the Gain control should be set...

Page 17: ...e will play a powerful role in determining your overall tone so be sure to adjust them accordingly For the tightest response possible don t forget about the TIGHT input it maximizes the chunkiness of your guitar tone Bright Tight Turn off GAIN and slide TIGHT switch toward center of Cross to activate This activates an additional tube stage providing maximum amount of chunk and cut on the attack wi...

Page 18: ... back into the mix This setting provides richness for Rhythm playing but keeps a chunky punchy tone to cut through the mix Notice how well the amp responds to the dynamics of your playing Turn off TIGHT and slide THICK switch toward center of Cross This activates an additional tube stage adding a deep rich quality to the tone without sacrificing definition This is great for power chords 4 5 6 ...

Page 19: ... head to external speaker cabinets 3 GROUND LIFT This switch is used to eliminate a ground loop hum when using the Direct Out A ground loop can ex ist when the Double Cross 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 dis...

Page 20: ...h it for both live and studio ap plications 6 DIRECT VOLUME This control sets the level of the speaker emulated Direct Out and should be set as high as possible for the best signal to noise ratio 7 8 9 10 14 11 13 12 7 SEND LEVEL This control adjusts the amount of signal that will be sent out the Effects Send jack nominally ranging from 10dBV 0 3VRMS to about 0dBV 1VRMS This control should be adju...

Page 21: ... you can easily get up to 10dB boost when using effects This can be very helpful when using effects like delay or tremolo where the level appears to be lower due to the nature of the effect Because the Effects Loop is a series connected loop this control will adjust the overall volume any time the Effects Loop is active 11 FOOTSWITCH Before powering up the amplifier connect the provided 5 button f...

Page 22: ...and re insert Replace only with the same type and size 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 Effects Loop Syncing This hidden feature allows the user to synchronize the Effects Loop with any or all channels and or the Boost function so that it will always be activat...

Page 23: ...FTER the Effects Loop After power amp w speaker emulation of 412 Straight Slant cabs Adjustable from 0 to 6 dBV nominal 3 dBV cts Rhythm Lead I or Lead II Channel Boost and Effects Loop On Off hielded cable and should be plugged in before turning on amp 120VAC 60Hz 450W nominal 230VAC 50Hz 450W nominal 240VAC 50Hz 450W nominal 100VAC 50 60Hz 450W nominal 304 mm Height x 686 mm Width x 276 mm Depth...

Page 24: ...SENCE VOLUME BASS MID TREBLE PRESENCE VOLUME BASS MID TREBLE PRESENCE VOLUME RHYTHM LEAD I LEAD I I RETURN RETURN BUFFER LEVEL SEND LEVEL EFFECTS EFFECTS BUFFER EFFECTS BYPASS TRUE FOOTSWITCH FOOTSWITCH AND MIDI SYSTEM 1 4 STEREO FOOTSWITCH MIDI IN MIDI BRIGHT BRIGHT BRIGHT GAIN PER CHANNEL THICK PER LEAD CHANNEL TIGHT PER LEAD CHANNEL STORE GROUND L IFT SPEAKER EMULATION BIAS IMPEDANCE CHANNEL CH...

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