Ketron UK

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Ketron GP1 PianoBrochure_iconTo say the GP1 is the best portable Grand Piano in the world is a bold claim indeed, however we firmly believe this to be the case.

It has a new and sophisticated sound generation, obtained by meticulous note-by-note sampling technique and on different dynamic levels of one of the most famous Concert Grand Pianos available. It is compact and light, making it ideal for Recording Studios, for live performances, for schools and for use at home. In addition to the sounds of the Grand Piano, the GP1 has of a selection of Electric Piano, Vintage, Strings, Pad and Organ sounds, which can be managed in both Split and in Dual Layer mode. A professional effects processor provides the right settings and the various colours that are suitable for every type of musical requirement.

Ketron GP1 Professional Stage Piano
RRP: £1499.00
Ketron Direct Price : £1099
Ketron GP1ST Piano with amplified Stand
RRP: £1848.99.00
Ketron Direct Price : £1449

All of this is available quickly and easily right from the panel - no confusing menu or setup which makes it the perfect tool for live musicians.



Weighing in at a mere 13kg the GP1 is the perfect choice for the Professional Pianist on the move. Despite its low weight, the GP1 has a full hammer action key frame and is "road friendly" too. Alluminium side panels and rolled steel case mean the GP1 is tough

Highlites are:

  • Incredible Grand Piano Sound
  • Full 88 note Hammer action keyboard
  • Fast Sound layering
  • Weighs only 13kg
  • On board DSP
Ketron GP1
Audio Demonstrations.

NamePlay Size Time
Frederic Chopin - Waltz in C Sharp Minor Opus 64 Nr 2 (Marcello Colo')
2.2 MB1:12 min
Drop Notes
(Marcello Colo')

0.5 MB0:18 min
Pour Jolyanne
(Robert Messier)

1.2 MB0:39 min
Tines Affair
(Marcello Colo')

0.8 MB0:27 min
Shiny Silvy
(Marcello Colo')

0.6 MB0:19 min
Modest Mussorgsky - Promenade from Pictures at an Exhibition
(Marcello Colo')

0.6 MB0:21 min

Scroll down for more information.

Further information:



NSR stands for Natural String Resonance; it is a special technological device used in some Voices of the GP1 (Classic Grand and Bright Grand) for an even more realistic reproduction of the natural resonance of chords and of the sound board of the grand piano. Unlike many other digital pianos, which exploit physical or virtual models to recreate it artificially, the resonance is absolutely natural on the GP1.
You only need to play a few high notes of the Classic Grand and the Bright Grand with the sustain pedal enabled to appreciate this important feature.



The GP1 has 32 different VOICES, which can be accessed directly from the front panel of the instrument.


Thanks to the DUAL/SPLIT mode, you can select two different voices simultaneously, to be played over the whole keyboard or in Split mode; in this way, you can assign a sound to the left part of the keyboard and one to the right part.

The GP1 has a powerful EFX section with 16 effects that can be activated via a 16-position switch unit on the front panel of the instrument.


Some of these 16 effects are already assigned to the Voices and set automatically when the GP1 is switched on.
The EFX Value potentiometer is used to control the range of the base effect used in the Voice, modifying its speed, intensity or other parameters on a case-to-case basis.


GP1ST (with Stand which includes high quality amplification)

GP1 with Stand


88 keys weighted.


128 notes.


32 Preset (Voice A): Classic Grand (NSR *), Pop Piano, Rock Piano, Real Mark, El.Piano 1, El.Piano 2, Fm Piano 1, Clavi,Wurli, Vintage, Strings 1, Atmosphere, Warmpad, Rock Org, Jazz Org, Church.

(Voice B): Bright Grand (NSR *), Grand&Strings, Piano&Pad, Suitcase,Tine,Stage, Fm Piano 2, Honky, Jazz&Grand, Finger&Mark, Strings 2, Vocals, Softpad, Rotary, Leakage, Positive .

*NSR = Natural String Resonance.


In , Out, Thru.


Dual,Left,Split, Demo.


Normal, Soft, Medium, Hard.


16 way selector DSP Insert Effect :Eq Boost, Loudness, Chorus 1, Chorus 2, Phaser 1, Phaser 2, Flanger 1, Flanger 2, Tremolo 1, Tremolo 2, Delay 1,Delay 2, Echopan 1, Echopan 2, Overdrive, Off, Mode On/Off.


+ / - 24 semitones,Fine Tuning.


Master Volume, Dual /Left Volume, Reverb, Brilliance, Efx Value.


Midi , Usb Update Transfer.


Left,Right, Sustain Pedal, Volume Pedal.


Stereo Headphone.


(W x D x H) 1250 x 308 x 115 mm.


13 Kg.


External DC 9 Volts, On/Off.


VFP 3 (3 Switch Pedal, Soft, Sostenuto, Sustain) FP 50 (Volume Pedal), Bag.