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HX3 MIDI expander is a tonewheel organ in a small box! Controlled completely via MIDI, selectable CC-sets for NI B4, Hammond XK, Hamichord and other. 30 presets (to be stored locally), many "secret" HX3 parameters tweakable by menu with incremental encoder - like key contact flex and damping for key click response, or AO28 gain adjustments for more or less percussion punch etc. And, of course, it yields the legendary unmatched HX3 sound.
[[Datei:expander_vorn.jpg|300 px|thumb|right|'''HX3 Expander''' (special edition "plexi signature" for first 3 customers, other versions will have plain aluminum lid)]]


== Kit Assembly ==
HX3 MIDI expander is a tonewheel organ with all B3 features in a small box! Controlled completely via MIDI, selectable CC-sets for NI B4, Hammond XK, Hamichord and other. 30 presets (to be stored locally), many "secret" HX3 parameters tweakable by menu with incremental encoder - like key contact flex and damping for key click response, or AO28 gain adjustments for more or less percussion punch etc. And, of course, it yields the legendary unmatched HX3 sound.


You will need only a phillips screwdriver to build! The HX3 expander kit comes with fully functional boards, front and rear bezel/panel, cables, screws and aluminum enclosure. Make shure you have a size 1 PH screwdriver handy, also small pliers or metric 5.5 mm wrench to holt the nuts while fastening.
OEMs/Resellers will receive an HX3 Expander in kit form on request -- see assembly instructions below.


* Install HX3 main board to rear panel. The 4 jack nuts hold the eintire board. The 4 washers are to be installed outside of rear bezel.
==Features==
* Use M3 screw, locking washer and M3 nut to fasten the voltage regulator to back panel. The voltage regulator's body should have full contact to back panel as it is used as a heat sink.
* Compact organ emulator module in aluminum box, 222 x 150 x 42 mm
* Fasten MenuDisplay board to front panel using 6 M3 bolts with spacers. Space between board and front panel should be approx. 12 mm. Be shure not to bend LED wires.
* Authentic reproduction of generator, tapering, key contacts, percussion and vibrato by FPGA (Field Programmable Gate Array)
* Fasten side panels to front panel using 4 self-tapping screws.
* Extremely low internal latency of 50 microseconds Key-to-Audio (see note below)
* Insert bottom panel into slots of side panel.
* Natural key click by "rattling" contacts
* Connect 2 flat-ribbon cables to board connectors as pictured.
* Accurate Leslie simulation with separate 122 amp output
* Set jumper JP6 on HX3 main board to appropriate operation: In position "MONO", organ main and pedal outputs are mixed to one channel on MAIN/BASS output jack, in other position to separate channels (pedals on plug "ring", right channel).
* MIDI IN accepts 5 different MIDI CC sets
* Be shure to remove jumper JP12 (near DC jack) if using a 9 to 12V DC power supply (default: no jumper). If you plan to use a 5V power supply, move jumper from AGND spare position to JP12. Note: Damage will occur if higher voltage than 5V applied whith JP12 installed!
* 7 LEDs show vibrato and percussion setting
* Fasten side panels to back panel using 4 self-tapping screws.
* LCD display and menu system with 2x16 presets, virtual drawbars and parameter tuning
* Affix 4 self-adhesive bases to bottom panel in each corner.
* Swell (expression) pedal and footswitch jacks
* Built-in DSP reverb with 3 different reverb algorithms
* DC input 9 to 12V, 500 mA min.


You're done! Time to try out: Plug in appropriate power supply 9 to 12V 800mA min. to DC jack. Display will illuminate and show welcome message, serial number and owner information (your name per default). Turn knob to select a preset. LEDs on right side will show corresponding vibrato/percussion setting.
'''[https://github.com/keyboardpartner/HX3/blob/master/DOCS_PDF/HX3%20MIDI%20expander%20module.pdf?raw=true User Manual download (PDF)]'''


'''[[HX3 Remote Application]]''' for firmware updates and parameter tweaking


== Kit Assembly ==


== Using the Menu System ==
'''For OEMs and resellers the HX3 MIDI Expander is available as a pre-assembled kit.'''


[[Datei:MenuPanel_1.JPG|400px|thumb|right|HX3 MenuPanel]]
[[Datei:Expander innen.JPG|500px|thumb|right|'''HX3 Expander with mk4 board, inside view. Note ground lug connection and USB interface cabling.''']]


Also valid for [[HX3 MenuPanel]] connected to HX3 equipped organ. '''HX3 expander''' may be remoted via given MIDI CC set, but some settings are available via menu system only. Some parameters only applicable to HX3 equipped organ.
You will need a Philips #1 screwdriver, a 2mm Allen wrench, a 2.5mm Allen wrench and a 5.5mm wrench nut to build. The HX3 expander kit comes with fully functional boards, front and rear bezel/panel, cables, screws and aluminum enclosure.  


* Use the incremental encoder button "DATA ENTRY" to change parameters or presets in main UPR/LWR menu.
* Install HX3 mainboard to rear panel. The 4 jack nuts hold the entire board. Place rubber toe on back of PCB near PL26 (white 6-pin header).
* Press incremental encoder button to go back to last menu intem used (Leslie Amp Volume by power-on default).
* Use M3 screw, locking washer and M3 nut to fasten the ground lug to back panel. Locking washer is placed inside on aluminum panel.
* Use Up/Down buttons to scroll through menu items.
* Remove protective film from LCD just prior to final installation.
* Press incremental encoder button for 2 seconds ore more to save a changed parameter (also by MIDI CC) or preset permanently (non-volatile).
* Fasten MenuDisplay board to front plexi panel using 6 M3 Allen screws with 6 plastic spacers and M3 nuts. Do not overtighten screws to prevent cracks in bezel. Use locking washers on each M3 nut.
* Fasten side panels to back panel using 4 self-tapping Philips screws.
* Insert bottom panel into slots of side panel.
* Mount USB interface board with short self-tapping screw so USB connector is straight in slot.
* Connect USB interface to HX3 PL26 with short coloured jumper wires. Do not cross cables, use straight one-on-one connection.
* Connect MenuPanel with flat-ribbon cable to HX3 board PL4.
* Insert top lid.
* Fasten side panels to front panel using 4 Allen type M3x12mm screws. Do not overtighten screws to prevent cracks in bezel.
* Affix 4 self-adhesive bases to bottom panel in each corner.


The menu system consists of about 60 entries. Pressing and holding the Up/Down buttons will enable fast auto-repeat which will stop shortly on menu group borders. A "<" mark will direct to the parameter to be changed.
You're done! Time to try out: Plug in appropriate power supply 9 to 12V 800mA min. to DC jack. Display will illuminate and show welcome message, serial number and owner information (your name per default). Turn knob to select a preset. LEDs on right side will show corresponding vibrato/percussion setting.
 
===Main Group Upper===
 
These parameters are saved to upper manual preset when encoder knob is pressed more than 2 seconds.
 
* '''UpperDB 1 to UpperDB 16''' - drawbar setting for upper manual
* '''UPR<LWR Vibr''' - vibrato/chorus ON/OFF for upper manual
* '''UPR LWR Vibr<''' - vibrato knob setting V1 to C3
* '''Percussion''' - will step through available percussion options
* '''UPR XXXXXXXXX''' - default main menu, shows upper drawbars, incremental knob changes preset nummer upper
 
===Main Group Lower===
 
These parameters are saved to lower manual preset when encoder knob is pressed more than 2 seconds.
 
* '''LWR XXXXXXXXX''' - shows lower drawbars, incremental knob changes preset nummer lower
* '''UPR LWR<Vibr''' - vibrato/chorus ON/OFF for lower manual
* '''LowerDB 16 to LowerDB 1''' - drawbar setting for upper manual 
* '''PedalDB 16 to PedalDB 8''' - drawbar setting for pedals 
* '''PedalSustain''' - changes pedal sustain release time. Set to 0 to obtain B3 pedal sound. Saved to lower preset
* '''BassOnLeslie''' - routes pedal signal to Leslie simulation if ON
* '''KeyboardSplit''' - set split ON or OFF, default pedal to lower, 2 octaves. If one key pressed while switching to ON on lower manual, this key will be the "pedal to lower" split point. If one key pressed while switching to ON on upper manual, this key will be the "lower to upper" split point, lower manual switched off. If '''two''' adjacent keys pressed while switching to ON on upper manual, this key will be the "pedal to upper" split point. Note: split point setting is only valid until power-off.
* '''LeslieVolume''' - adjusts Leslie Amp simulation volume from 0 to full (overdriven tube amp).
* '''ReverbLevel''' - adjusts reverb level OFF, 1, 2 or 3.
 
===Main Group Defaults===
 
These parameters are saved to power-on defaults when encoder knob is pressed more than 2 seconds.
 
* '''MIDI Channel''' - sets MIDI base receive channel 1 to 10 (upper manual, lower manual is on +1, padels on +2).
* '''MIDI Option''' - sets MIDI routing behaviour to 'ReceiveThru' (MIDI OUT is THRU), 'ReceiveSend' (MIDI received, only own MIDI key events to MIDI OUT), 'RcvSendMerge'(MIDI received, own MIDI key events and incoming MIDI events merged to MIDI OUT) and 'RcvSndMgNoCC' (as before, but MIDI CC commands discarded). On expander module, only valid setting is 'ReceiveThru'.
* '''MIDI CC Set''' -  sets recognized MIDI CC set to 'NI B4' (default), 'Voce', 'Hamichord', 'Hammond XK', 'Hammond SK' or 'KeyB Duo'. Note: Hammond changed MIDI CC set between XK and SK series, so try out which will fit.
* '''SplitOption''' - split setting on power-up, 'PedalToLower', 'LowerToUpper' or 'PedalToUpper', engaged when split set to ON (see above).
* '''Transpose''' - transposes from -6 to +7 semitones. Notes beyond 5 octave limits of B3 will not produce any sound due to accuracy of physical model. 
* '''Vib1 AmplMod''' - adjusts amplitude modulation caused by delay line on V1/C1 knob setting.
* '''Vib2 AmplMod''' - adjusts amplitude modulation caused by delay line on V2/C2 knob setting.
* '''Vib3 AmplMod''' - adjusts amplitude modulation caused by delay line on V3/C3 knob setting.
* '''Vib1 FreqMod''' - adjusts frequency modulation on V1/C1 knob setting.
* '''Vib2 FreqMod''' - adjusts frequency modulation on V2/C2 knob setting.
* '''Vib3 FreqMod''' - adjusts frequency modulation on V3/C3 knob setting.
* '''ChorDryMix''' - adjusts vibrato chorus mix dry (unmodulated) part in C1/C2/C3 setting.
* '''ChorVibMix''' - adjusts vibrato chorus mix wet (FM/AM modulated) part in C1/C2/C3 setting. 
* '''PercNormLvl''' - adjusts percussion level in PERC ON, NORMAL tab setting.
* '''PercSoftLvl''' - adjusts percussion level in PERC ON, SOFT tab setting.
* '''PercLongTm''' - adjusts percussion length in PERC ON, SLOW tab setting (higher value = faster).
* '''PercShortTm''' - adjusts percussion length in PERC ON, FAST tab setting (higher value = faster).
* '''TG Flutter''' - adjusts tone generator "sloppyness" (spring clutch tension, bearing precision).
* '''TG Leakage''' - adjusts tone generator leakage to 'OFF', 'New Organ', 'Old Organ' or 'Sleazy Organ'.
* '''TG OldCaps''' - sets generator red caps (OFF) or wax caps (ON).
* '''No DB1 @Perc''' - disables drawbar 1 cancel when percussion ON.
* '''No DB16 Foldb''' - disables foldback on lowest octave ("all way down" when ON).
* '''TrebleEqu''' - mimics TONE pot on AO28 amp. 
* '''BassEqu''' - bass equalizer, adjusts bass response of different AO28 models (rather subtle).     
* '''ContSpringFlx''' - adjusts key contact spring flex, affects click length
* '''ContSpringDmp''' - adjusts key contact spring damping, affects click frequency
* '''HornSlowTm''' - Leslie simulation horn revolution timer when set to SLOW
* '''RotorSlowTm''' - Leslie simulation rotor revolution timer when set to SLOW
* '''HornFastTm''' - Leslie simulation horn revolution timer when set to FAST
* '''RotorFastTm''' - Leslie simulation rotor revolution timer when set to FAST
* '''ScanBoard''' - sets scan core for attached scan board (MIDI only on expander) 
* '''ExpanderMode''' - disables all analog control pot/drawbar inputs despite swell pedal (ON default on expander)
* '''SwellInEna''' - enables swell pedal input jack, default ON
* '''FixedSwell''' - fixed swell volume if swell pedal disabled 
* '''TonePotEna''' - enables analog control input for TONE pot (OFF on expander) 
* '''LesVolPotEna''' - enables analog control input for 122 Amp simulation volume pot (OFF on expander)

Aktuelle Version vom 27. Juli 2015, 11:00 Uhr

HX3 Expander (special edition "plexi signature" for first 3 customers, other versions will have plain aluminum lid)

HX3 MIDI expander is a tonewheel organ with all B3 features in a small box! Controlled completely via MIDI, selectable CC-sets for NI B4, Hammond XK, Hamichord and other. 30 presets (to be stored locally), many "secret" HX3 parameters tweakable by menu with incremental encoder - like key contact flex and damping for key click response, or AO28 gain adjustments for more or less percussion punch etc. And, of course, it yields the legendary unmatched HX3 sound.

OEMs/Resellers will receive an HX3 Expander in kit form on request -- see assembly instructions below.

Features

  • Compact organ emulator module in aluminum box, 222 x 150 x 42 mm
  • Authentic reproduction of generator, tapering, key contacts, percussion and vibrato by FPGA (Field Programmable Gate Array)
  • Extremely low internal latency of 50 microseconds Key-to-Audio (see note below)
  • Natural key click by "rattling" contacts
  • Accurate Leslie simulation with separate 122 amp output
  • MIDI IN accepts 5 different MIDI CC sets
  • 7 LEDs show vibrato and percussion setting
  • LCD display and menu system with 2x16 presets, virtual drawbars and parameter tuning
  • Swell (expression) pedal and footswitch jacks
  • Built-in DSP reverb with 3 different reverb algorithms
  • DC input 9 to 12V, 500 mA min.

User Manual download (PDF)

HX3 Remote Application for firmware updates and parameter tweaking

Kit Assembly

For OEMs and resellers the HX3 MIDI Expander is available as a pre-assembled kit.

HX3 Expander with mk4 board, inside view. Note ground lug connection and USB interface cabling.

You will need a Philips #1 screwdriver, a 2mm Allen wrench, a 2.5mm Allen wrench and a 5.5mm wrench nut to build. The HX3 expander kit comes with fully functional boards, front and rear bezel/panel, cables, screws and aluminum enclosure.

  • Install HX3 mainboard to rear panel. The 4 jack nuts hold the entire board. Place rubber toe on back of PCB near PL26 (white 6-pin header).
  • Use M3 screw, locking washer and M3 nut to fasten the ground lug to back panel. Locking washer is placed inside on aluminum panel.
  • Remove protective film from LCD just prior to final installation.
  • Fasten MenuDisplay board to front plexi panel using 6 M3 Allen screws with 6 plastic spacers and M3 nuts. Do not overtighten screws to prevent cracks in bezel. Use locking washers on each M3 nut.
  • Fasten side panels to back panel using 4 self-tapping Philips screws.
  • Insert bottom panel into slots of side panel.
  • Mount USB interface board with short self-tapping screw so USB connector is straight in slot.
  • Connect USB interface to HX3 PL26 with short coloured jumper wires. Do not cross cables, use straight one-on-one connection.
  • Connect MenuPanel with flat-ribbon cable to HX3 board PL4.
  • Insert top lid.
  • Fasten side panels to front panel using 4 Allen type M3x12mm screws. Do not overtighten screws to prevent cracks in bezel.
  • Affix 4 self-adhesive bases to bottom panel in each corner.

You're done! Time to try out: Plug in appropriate power supply 9 to 12V 800mA min. to DC jack. Display will illuminate and show welcome message, serial number and owner information (your name per default). Turn knob to select a preset. LEDs on right side will show corresponding vibrato/percussion setting.

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