Primovasound
 

MIDX-20 DUAL USB HOST
DOWNLOADS AND DOCUMENTATIONS

New firmware V2 available
Access virtually all parameters of the great BOSS Katana Amplifiers with CC#
Manage your MIDI messages with filters, duplications, translations and CC Value conversions. Control your GP-10 or GR-55 using MIDI... and more.

 

Firmware comparison chart 
Firmware versionV1.xV2.x
MIDI TRAFFIC
Boss/Roland USB compatibilityYesYes
Four different MIDI routing modesYes Yes
MIDI THRU/MERGEYesYes
MIDI Channel translators (virtual channels) -Yes
MIDI Data duplication to other channel-Yes
MIDI Filters (remove unwanted traffic)-Yes
CC# Translations (channel and/or CC#)-Yes
CC# Duplications (channel and/or CC#)-Yes
CC# Value operations (Lin-Log,Log-Lin,Reverse,Toggle) -Yes
CC# Removal-Yes
MIDI OUT Delay (0ms, 3ms, 5ms, 7ms)-Yes
BRIDGES
Boss Katana MIDI Bridge (with ‘Sneaky’ amps and effects) -YesMIDX-20 BOSS KATANA V2 Bridge (pdf)
Fender Mustang V2 MIDI Bridge YesYesMIDX-20 FENDER MUSTANG V2 Bridge (pdf)
Fender Mustang V2 MIDI Bridge Tap Tempo(Delay only) -Yes
CONTROL JACKS
Exp. pedal Curve adjustment (6 different types) -Yes
Exp. pedal Heel calibration-Yes
Foot switch CC# Toggling modeYesYes
Foot switch CC# Momentary modeYesYes
Foot switch Fixed PC# modeYesYes
Foot switch PC# Increment modeYesYes
Foot switch PC# Decrement modeYesYes
Foot switch START, STOP, CONTINUEYesYes
Foot switch Custom MIDI momentary modeYesYes
Foot switch Custom MIDI toggling mode-Yes
Number of Custom MIDI bytes2411
Foot switch CC# Value Increment-Yes
Foot switch CC# Value Decrement-Yes
Foot switch PC# Incr./Decr. Min & Max Range -Yes
Foot switch CC# Incr./Decr. Min & Max Range -Yes
Foot switch Incr./Decr. auto-repeatYesYes
Foot switch polarity inverterYesYes
SYSTEM
Field upgradable firmware using MIDI based Bootloader YesYes

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PC Software
MIDX-20 firmware can only be updated using the MIDX-20 Assistant Windows PC software
You will also need a USB-to-MIDI cable (ex: Roland UM-1 MK2)


NOTE: THE PREVIOUS VERSION OF ASSISTANT MUST BE UNINSTALLED BEFORE YOU CAN INSTALL A NEWER VERSION.
PC Software MIDX-20 Assistant V2.04 (incl. MIDX-20 firmware V2.3)
Posted 2017-09-10. See release notes below.

Main Manuals  
MIDX-20 V2 Manual
MIDX-20 V2 PC Assistant Manual
Supplemental documents  
MIDX-20 V2 Katana MIDI Bridge implementation chart
MIDX-20 V2 Mustang V2 MIDI Bridge implementation chart

 

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MIDX-20 Release notes:
V2.3 2017-09-10
New: Added CC translation enabling Toe-Down on/off to any CC# stream (example Wah on/off).
New: Change CC# Off and On values to other than 0/127 on Footswitches connected to CTRL1/CTRL2.

V2.2 2017-07-25
Fix: Realtime messages like clock (BPM) to Roland USB devices (GP/GT/GR/VG/SY) did not work. Fixed.

V2.1 2017-07-17
Fix: Katana Noise Gate On/Off (CC#40) did not work
New: Katana CC#7 - Global volume added
New: Katana CC#8 - Store to current preset added
New: Katana CC#9 - Store to selected preset added
New: CC# Operation/Translation: 'Remove CC# Range' added