Korg Grandstage73 73-Key Stage Piano

Korg Grandstage73 73-Key Stage Piano

Korg Grandstage73 73-Key Stage Piano

Korg Grandstage73 73-Key Stage Piano

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Expected availability: 7-14 business days

Product Highlights

  • 73-Key Stage Piano
  • Designed for Playability on Stage
  • 7 Sound Engines
  • RH3 Fully Weighted Hammer Action
  • 5 x Grand Pianos, 1 x Upright
  • Electric Pianos, Organs, Synths
  • 3-Band EQ, Reverb, Delay
  • Elegant Design
  • Includes DS1H Damper Pedal
  • Crafted in Japan
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Keys: 73 Keys

73 Keys 88 Keys

Special Order

This item is noncancelable and nonreturnable.

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Korg GRANDSTAGE73 overview

  • 1Description

The 73-Key, Korg Grandstage73 stage piano & master controller combines the acoustic piano tradition with the flexibility of an electronic instrument to deliver versatile on-stage playability. It offers a rich variation of sounds, an intuitive user interface on the front panel, and a keyboard with RH3 weighted hammer action, which directly conveys the delicate nuances and emotions of the player's performance.

The Grandstage features seven sound engines with five grand pianos, an upright piano, six vintage electric pianos, three vintage organs, an analog synth, and an FM synth, for a total of 500 sounds. Straightforward operation lets the player concentrate completely on his/her performance. The sounds are separated into a Keyboard section and an Ensemble section and can be quickly selected or recalled from 64 Favorite locations. All effects and controls are quickly accessed using the front-panel knobs and buttons.

To help shape articulation and expressivity during a performance, the Dynamics knob instantly changes the way the keyboard's dynamics (velocity) affects the volume and tone of your sound. The company's proprietary Smooth Sound Transition (SST) function ensures seamless and natural switching between sounds or effects.

Made in Japan by dedicated and experienced craftsmen, the Korg Grandstage's design echoes that of an acoustic piano. The instrument includes a dedicated music stand and a damper pedal.

Seven Sound Engines

SGX-2: Six Acoustic Pianos
  • Five grand piano sounds, professinally captured using instruments from Berlin, Heidelberg, Austria, Japan, and Italy
  • One upright piano sound
  • High-capacity unlooped stereo samples for every key
  • Up to 12 levels of velocity-switching to accurately convey the detailed and powerful expressiveness of an acoustic piano
  • Damper resonance reproduces the spaciousness felt when the pedal is pressed
  • Reproduces mechanical noise
  • Provides monaural piano sounds for all acoustic piano programs
  • Monaural piano sounds were voiced from monaurally recorded sources, not from a mono mix of stereo samples
EP-1: Six Vintage Electric Pianos
  • Classic I, II, V electric pianos
  • DMP tine electric piano
  • 200 and 200A reed piano models
  • MDS (Multi-Dimensional Synthesis) technology for velocity-switching—smoothly responds to subtle changes in your keyboard dynamics
  • Realistic emulations of amps, cabinets, speakers, and vintage effects
CX-3 Tonewheel Organ
  • Faithful reproduction of Korg's classic combo organ, released in 1980
  • Built-in rotary speaker effect
VOX Vintage Organ
  • Reproduces the sound of the VOX organ, widely used in Europe and the US during the '60s
  • Built-in rotary speaker effect
Compact Vintage Transistor Organ
  • Simulates the compact organ that earned a legendary place in rock during the same years as the VOX organ
  • Built-in rotary speaker effect
AL-1 Analog Synthesizer
  • Analog-modeling sound engine delivers well-defined reeds and thick brass sounds
HD-1 High-Definition Synthesizer
  • PCM sound engine
  • Distinctive samples of keyboard instruments, including an eight-level multisampled clavi sound, a harpsichord, a mellotron, pipe organ, and the metallic sound of an FM piano

User Interface Designed for Playability on Stage

Sound Selection and Reverb Effects
  • Intuitive interface lets you rapidly select the desired sound
  • Most-frequently played sounds such as piano, electric piano, and organ can be recalled from the right-hand "Keyboard Section"
  • Synth and strings sounds can be recalled from the left-hand "Ensemble Section"
  • Easy-to-control Master effects—all Effect, EQ, and dynamic controls can be directly accessed using front-panel knobs and buttons
  • Hall and Room reverb settings apply "iVerb" to deliver natural spaciousness and smooth reverberation
  • Spring reverb matches the vintage organ sounds
Dynamics Knob: Instantly Control Articulation and Expressivity
  • The Dynamics knob instantly changes the way in which the dynamics of your keyboard-playing (velocity) affects the volume and tone
  • Allows you to customize the playing feel of the keyboard in real time
3-Band EQ: Shape Your Sound
  • 3-band equalizer lets you optimize the character of the overall sound for the acoustics of your live performance venue
  • Easily controlled by operating Low/Mid/High faders
Smooth Sound Transition for Natural-Feeling Changes
  • Smooth Sound Transition (SST) function creates smooth and natural change when you switch between sounds and effects, even while you perform
Favorites Buttons to Instantly Recall your Sounds
  • Favorites buttons let you save up to 64 of your favorite sounds
  • Sounds can be instantly recalled during a song or between songs
  • Saved sounds can be registered as a combination of the keyboard section and ensemble section
Layer and Split to Easily Combine Sounds
  • Play Layers or Splits using the two sounds selected for each of the "Keyboard" and "Ensemble" sections
  • Direct access to Layer/Split selection, Split point settings, and swapping of the lower and upper keys is easily accomplished via the panel switch, without having to go through a menu
Panel Lock Prevents Unintended Operation
  • Prevents sounds or settings from being unintentionally changed while you're absorbed in your performance on stage

Keyboard with RH3 Weighted Hammer Action

RH3 Keyboard Responds to Nuances of your Playing
  • Real Weighted Hammer Action 3 (RH3) keybed—73 keys
  • Conveys the delicate touch and nuances of your fingertips, letting you experience a realistic playing feel
  • As with a grand piano, keyboard is divided into four regions in which the lower register feels heavier and the upper register feels lighter
  • Made in Japan—quality achieved through the careful production skills of a small number of dedicated and experienced craftsmen

Detailed Design

  • Design exemplifies the stylings of an acoustic piano
  • Front panel features hairline-finished aluminum
  • Red LEDs ensure clear visibility, even on a dimly lit stage
  • Rear panel features authentic wood grain
  • Entire rear-panel KORG logo can be brightly illuminated—you can adjust the color, brightness, and illumination mode to your taste

Included Accessories

  • Dedicated music stand that can be attached to the instrument
  • Damper pedal (DS-1H) that supports half-pedaling
In the Box
Korg Grandstage73 73-Key Stage Piano
  • Music Rest
  • DS1H - Piano Half Damper Switch ztfuwsryrdeaafrdcbrrzdewzew
  • Power Cord
  • Limited 1-Year Warranty (2 Years with Online Registration)
  • Table of Contents
    • 1Description

    Korg GRANDSTAGE73 specs

    Keyboard 73 keys, E1 to E7
    RH3 (Real Weighted Hammer Action 3)
    Velocity-sensitive, aftertouch not supported
    Tone Generator Methods of Synthesis and Maximum Polyphony:
    SGX-2 (Acoustic Piano Sound Engine): 60 dual stereo notes (equivalent to 240 voices max.)
    EP-1 (Electric Piano Sound Engine): 100 voices
    AL-1 (Analog Modeling Sound Engine): 36 voices
    CX-3 (Tonewheel Organ Sound Engine): 128 voices
    VOX Organ (Transistor Organ Sound Engine): 100 voices
    Compact Organ (Transistor Organ Sound Engine): 100 voices
    HD-1 (PCM Sound Engine): 64 stereo notes (equivalent to 128 voices maximum)

    Preloaded PCM Storage Capacity:
    Approx. 19 GB (approx. 32 GB using linear conversion)

    Number of Sounds:

    64 (includes 32 preloads)
    Demo Songs 16
    Effect Insert Effect for Sound Programs:
    3-band EQ and four insert effects

    Reverb/Delay Section:
    Reverb/Delay button, Type selection knob, Depth knob, Time-Tap button, select one reverb type (Hall, Stage, Room, Spring), delay type (Delay, Cross, Tape, Mod Dly)
    User-Editable Parameters: Depth, Time (tap)

    Equalizer Section:
    Equalizer button, Low/Mid/High slider (3-band equalizer)
    Panel Interface Favorite:
    64 (A–H: 8 / 1–8: 8), Write button

    Category Selection knob, display (128 x 64 dots), Level knob, Variation knob, Edit button

    Category Selection knob, display (128 x 64 dots), Level knob, Variation knob, Edit button

    Dynamics Section:
    Dynamics button, Dynamics knob
    Controls how the volume and sound respond to changes in keyboard touch

    Split button, Swap button, Exit (Panel Lock) button, System button, Transpose button, Demo (System button + Transpose button)
    Controllers Real-Time Controller:
    Pitch bend wheel, modulation wheel, SW1 button, SW2 button

    Master Volume:
    Master volume knob
    Principal Specifications Frequency Response:
    20 Hz to 22 kHz: ± 1.0 dB, 10 kOhms load

    20 Hz to 22 kHz: 0.005%, 10 kOhms load

    S/N Ratio:
    105 dB, 10 kOhms load
    Audio Output XLR Audio Output (Left/Right):
    Connectors: 2 x XLR-3-32 type (balanced)
    Output Impedance: 600 Ohms
    Maximum Level: +16 dBu
    Load Impedance: 10 kOhms
    Lift-Gnd switch

    1/4" Jack Audio Output (Left-Mono/Right):
    Connectors: 1/4" / 6.3 mm TS phone jacks (unbalanced)
    Output Impedance: 1.1 kOhm stereo, 600 Ohms mono (L/Mono only)
    Maximum Level: +16 dBu
    Load Impedance: 10 kOhms

    Connector: 1/4" / 6.3 mm stereo phone jack
    Output Impedance: 50 Ohms
    Maximum Level: 150 mW + 150 mW, at 32 Ohms
    General Foot Controllers:
    Damper (half-pedaling supported), Switch, Pedal


    1 x USB Type-A connector, for connecting USB storage media
    1 x USB Type-B connector, for connecting to a USB-MIDI interface
    Power Power Supply:
    AC power supply terminal, power button

    Power Consumption:
    30 W

    Dimensions (W x D x H) 43.27 x 14.13 x 5.51" / 109.90 x 35.90 x 14.00 cm, excluding music stand
    Weight 37.48 lb / 17.00 kg, excluding music stand

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