Viscount International: the Art of Sound!

Unico 500

UNICO 500, with its 3 manuals, 56 voices, drawstop arrangement and luxury cabinet, offers the perfect environment to experience the amazing capabilities of Physis.
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The Unico 500 is a three-manual organ with 32-note pedalboard, 56 drawstops + 7 orchestral registers. The organ features an elegant console cabinet with roll-top cover. It’s the ideal instrument for the professional organist or large-sized church. There’s a huge library of internal voices through which the user can easily customize the instrument to his/her liking.

Developed with the award-winning and patented Physis® physical modeling technology, which reproduces the physical phenomena involved in the sound generation of the pipe organ, the Unico 500 is capable of generating the highest-fidelity, most authentic church organ sound.

Parameter settings are easy to access, modify and store through the graphic display on the front panel. The "Action Tracker" style keyboard accurately detects touch by obtaining the speed of actuation of the keys, making it possible to feel a "Tracker Touch" effect, i.e .the correlation between the "touch" of the organist and the transient attack of each virtual pipe.



_____SPECIFICATIONS (Available=●)


Manuals 3 x 61 note "tracker touch" keyboards, with velocity control for MIDI and Orchestra sections. Optional with wooden keys
Pedalboard notes 32 note straight, straight concave, radiating concave
Register Control Drawknob
Internal Amplification 6 x 60 Watt + 1 x 100 Watt, 7 channels internal amplification system
Speakers 13
Expression Pedals 2
Crescendo Pedal yes


Pedal 12
Choir 12
Great 15
Swell 17
Orchestral Selector  7
Total Orchestral Voices < 100
Total Classic Voices < 480
Styles 4 Preset + 4 User. Hundreds Sound Styles can be loaded and/or stored from/to internal memory and Pen Drive
Alternative Voices Selectable additional sound for each Stop
Orchestral Alternative Voices Selectable additional sound for each Stop
General Pistons 10
Selection of memories with toe piston Yes
Divisional Pistons 6
Memory Bank 16
Total Memories 160 General, 384 Divisional, tens of thousands with Pen Drive and in internal memory
Piston Sequencer Prev - Next Pistons and Toe Studs
Return to Handset Registration Individual HR for General and Divisional Pistons


Toe Pistons 22
Console On - Ext. Out Speakers On Can be programmed as Main Out On and Antiphonal On
Cancel Yes
Automatic Pedal Yes
Enclosed Piston Yes
Couplers 6 With Stops, Pistons and Toe Studs
Transposer -6/+5
General and Reverb Volume With Rotary Potentiometers
MIDI enable Yes
Organ Solo Solo Coupler
Orchestra and Midi Sustain With Expression Pedal Switch
ON/OFF Switch with key Yes
Remote Control Optional Radio no directive 50 mt distance Remote Control with built in 2x16 display


Display 128 x 64 dots Graphic with Backlight
Voice Parameters Stop by stop adjustable voice parameters
Divisional Volume Separate for each Division
Tremulant 3 Separately for each manuals Depth and Speed adjustable
Reverb 8 Types
Adjustable Ensemble Effect Adjustable
Air Pressure Effect Proportional to the active Voices
Tracker keyboard Effect Yes
Historic Temperaments Kirnberger II, Kirnberger III, Werckmeister III, Werckmeister IV, Werckmeister V, Vallotti, Silbermann I, Silbermann II, Kellner 1975, Meantone, Meantone pure minor third, Zarlino, Sauveur I, Sauveur II, Barca, Rameau, Pythagorean; each with programmable "Tonic" Key Note
Keyboards Inversion Yes
Piston Combine Great/Pedal Divisional Piston Combine
Programmable Output Routing Stop by stop adjustable Windchest layout
External Output Volume Control 13 (21) indipendent out volume control
5 Bands Equalizer on External Outputs 13 (21 con scheda opzionale) equalizzatori indipendenti
5 Bands Equalizer on Internal Amplification Yes
Midi Programmable Tx/Rx Midi Ch., Tx/Rx Midi Filter, Send PG, Keyb. Midi Velocity: progammables
Sequencer Sequencer interattivo con funzione Overdubbing, controllabile anche con telecomando opzionale
Demo Songs Yes
File Management Copy, Load, Save, Rename, Delete etc. under Linux Operating System
Lock Organ With Password


Midi In, Out, Thru Yes
Stereo Headphone Output Yes
Stereo Aux Input Yes
Mic. Input With Gain Control
External Output 12+1, (20+1 when replacing standard output board with optional expansion board)
USB to PC For finest finishing and personalization like Stop by Stop, Note by Note Volume and Pitch Regulation, Stop disposition, Internal and External Routing, etc. (optional)
USB for Pen Drive Yes
Dimensions (WxHxD) cm 178 x 131.5 x 117 - 70.07" x 51.77" x 46,06"
Dimensions without music desk and pedalboard (WxHxD) cm 178 x 131.5 x 78 - 70.07" x 51.77" x 30.70"


Cabinet Features Elegant Wooden Console Moldings, Elegant Wooden Lighted Music Rack, Wooden Roll Top with Key-Lock, Bench with Music Storage Shelf
Colours / Finishes Light oak real wood veneer , Medium oak real wood veneer, Dark oak real wood veneer
Weight kg 292 / Lbs 643.74



Sound Generation

Powered by Physis ®

Physis® Physical modeling is what makes these organs so unique. This technology involved an enormous amount of research and development – and the result is truly innovative instruments which redefine “state of the art”. The sound generation in the entire Unico series uses  Physis® technology - which builds sound through modeling technology – NOT storing samples like the 20+ year old technologies of our competitors. Physical modeling rebuilds all the elements of sound through complex algorithms – right down to the smallest imperfections. These are the ingredients which give the original instrument its character and warmth. Physis® technology reproduces the sound in REAL TIME just like it was created through a windblown pipe organ – with each sound having it’s own unique character. There are no ‘breaks’ and ‘split-points’ as you find in sampling, so the progression of the sound across the keyboard is accurate, smooth and natural. The development and refinement of the algorithms in physical modeling help make Physis organs the best in the world – and a new definition of ‘state-of-the-art’!



“Tracker Touch” style keyboard

Knowing the importance of the classic-organ keyboard, we’ve taken the utmost care in selecting the absolute best components. The mechanics of the keys gives the impression of a true “Tracker Action”, by obtaining the speed of actuation of the keys – making it possible to feel the “Tracker Touch” effect. i.e. the correlation between the “touch” of the organist and the transient attack of each virtual pipe.  The keyboard is not only comfortable and consistent to play, but also dynamically sensitive, which is useful for the MIDI and Orchestral sounds – but also essential to provide the “Tracker Touch” effect.



Complete Connections

A complete selection of external connections is smartly and conveniently situtated. In addition to Standard connections (MIDI In, Out, Thru; Headphones, stereo inputs), there’s a microphone with gain control, 12 external multiple outs + 1(Sub) – with the option to expand these to 20+1(Sub). There are also USB host and Device connections.



For the USB Host connection, it’s possible to use a thumb drive to save and upload sound settings. For the USB Device connection, you can connect to a PC to personalize all aspects of the organ. With the Optional “Physis Editor” for PC, you can modify every single register for every single note – including volume, pitch, spacial disposition – and many other parameters.


User Interface

The knobs, tabs, pistons and display provide super efficient control of the entire instrument.

The Buttons and tabs to turn registers on and off, the pistons and all the other commands are ergonomically designed to respond quickly and easily to the demands of the user. The display is conveniently located on the side panel (in the center of the CLV 7, Unico 300, 400, 500, 700, and in a sliding drawer for the Unico 800) with it’s own set of designated controls. The layout is smartly integrated with the instrument to allow unlimited possbility and personalization at the user’s fingertips.






Three Expression Pedals

Three expression pedals provide a fluid and precise movement – allowing complete control of the volume for Manual I, the volume for Manual III, and the CRESCENDO – programmable up to 16 levels.






English Diapason 8'

Unda Maris 8'

Concert Flute 8'

Principal 4'

Rohr Flute 4'

Doublette 2'

Larigot 1 1/3'

Sifflet 1'

Cymbale III

Cor Anglais 16'

Cromorne 8'

Festival Trumpet 8'


Swell to Choir



Double Diapason 16'

1st Diapason 8'

2nd Diapason 8'

Flauto Traverso 8'

Erzahler 8'

Erzahler Celeste 8'

Octave 4'

Harmonic Flute 4'

Twelfth 2 2/3'

Fifteenth 2'

Fourniture IV

Cornet V

Double Trumpet 16'

Trumpet 8'

Tuba Major 8'


Swell to Great

Choir to Great



Gedeckt 16'

Horn Diapason 8'

Bourdon 8'

Gamba 8'

Gamba Celeste 8'

Prestant 4'

Nachthorn 4'

Nazard 2 2/3'

Block Flute 2'

Tierce 1 3/5'

Plein Jeu IV

Fagotto 16'

Trompette 8'

French Horn 8'

Oboe 8'

Vox Humana 8'

Clairon 4'




Contra Violone 32'

Open Wood 16'

Sub Bass 16'

Quintaton 16'

Violone 16'

Octave 8'

Bass Flute 8'

Choral Bass 4'

Contra Bombarde 32'

Bombarde 16'

Trumpet 8'

Rohr Schalmei 4'

Great to Pedal

Swell to Pedal

Choir to Pedal



Pedal: String

Swell: Celesta

Swell: Voice 2

Great: Chimes

Great: Voice 2

Choir: Harp

Choir: Voice 2


UNICO 500 US STANDARD - Alternative Voices.pdf

UNICO 500 US STANDARD - Styles.pdf