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I’M NOT ABLE TO RECALL A PRESET 
Be sure to set up your midi board or midi interface on midi channel 1. Any other 
channel will not work and you will not able to recall a preset. Check midi cable 
and try to replace it. Be sure to connect your sending devices via MIDI OUT socket 
and Duality MIDI in socket and not vice-versa. 

 
 
 

For  any  problem  and  in  any  moment  you  can  contact  a  qualified  tech  at: 

[email protected]

 

We will replay to you as soon as possibile.  
 
 
 
 
 
 
 

WARRANTY DESCLAMER  

 
Please, do not try to open the amplifier in any case. For any problem contact your seller 
or  write  to  us.  This  amplifier  runs  at  very  high  voltage  that  can  lead  to  death.  Any 
inexpert person should not even think of do anything inside this amplifier.  RedSeven 
Amplification offer a standard two year fully warranty for any component (except to 
wear 

subjects).  

By removing the amplifier form his wood cabinet or by making any modification to the 
original  state  will  violate  standard  warranty  and  RedSeven  Amplification  will  not 
responsible for any damage to people, things or animals.  
 

Revision 1.0 
March 2018 

Summary of Contents for duality D50

Page 1: ...Duality model D50 User Manual...

Page 2: ...OWER SUPPLY pg 3 PREMISE pg 5 SOUND DESCRIPTION pg 6 TECHNICAL FEATURES pg 7 FIRST USAGE pg 9 MIDI AND SAVING A PRESET pg 10 LOOP FX pg 11 D50F FOOTSWITCH pg 11 TUBE LAYOUT AND CABINET pg 12 TROUBLESH...

Page 3: ...MIDI implementation CC and PC double master volume and a high voltage buffered effects loop make Duality your life as guitarist easier than ever before Additional informations and audio video demos c...

Page 4: ...ETURN jacks THIS OPERATIONS CAN LEAD TO FINAL BREAK OF THIS AMPLIFIER IN THOSE PARTICULAR CASES RED SEVEN AMPLIFICATION WILL NO BE RESPONSIBLE FOR DAMAGES TO AMPLIFIER ITSELF OR PEOPLE PLEASE KEEP IN...

Page 5: ...e not judging anyone here only to explain the idea we had on this particular amplifier You will not find anything like a over saturated over compressed and over gained sound here Nothing at all If you...

Page 6: ...nd 7 with a LP style guitar breakup is little earlier Tone stack is way more effective than the vintage 50 60 mono channel amplifiers you can obtain quite a lot of different sounds from this channel T...

Page 7: ...s activated POTS CHANNEL 1 clean channel Bass Treble Volume CHANNEL 2 dirt channel Gain Bass Middle Treble Volume COMMON Master 1 Master 2 SWITCHES CHANNEL 1 clean channel Bright switch bright 1 norma...

Page 8: ...eceive midi signal Midi THRU left midi signal pass thru without modify original messages STORE SWITCH tactile switch for saving combinations of sounds into amplifier digital memory FOOTSWITCH input so...

Page 9: ...heck the impedance of your cab and match the output impedance of amplifier with impedance switch on rear panel than connect the speaker cable from cabinet to amplifier Now you re ready to put Power Sw...

Page 10: ...T Saving a preset is quite easy with Duality it takes only few steps Choose the desired combination of functions channel boost master etc Keep pressed the STORE button for three seconds on rear panel...

Page 11: ...via midi PC CC SUGGESTION if you are hearing some bad clipping sound when loop effect is on you re probably overloading the input of your effect Try to lower the preamp signal by lowering channels vo...

Page 12: ...ase contact us at info redseven amplification com Do not try swap P A tubes without adjusting bias current In the most case this can lead to a simply tube failure in some other you can make some serio...

Page 13: ...to blown turn off the amp and contact Shiva A D DUALITY IS TURNING ON RED LED IS ON BUT WITH NO SOUND First of all be sure to connect speaker cable properly both amplifier as the cabinet Check the inp...

Page 14: ...s soon as possibile WARRANTY DESCLAMER Please do not try to open the amplifier in any case For any problem contact your seller or write to us This amplifier runs at very high voltage that can lead to...

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