Korg Grandstage 73-Key Stage Piano
Brand
KORG
Take flagship professional sound quality on the road without the heavy bulk. The Korg Grandstage 73 is a premium studio and stage piano that packs the exact same powerful sound engines, intuitive layout, and elite features of the standard Grandstage line into a compact, highly portable 73-key chassis. Engineered with a sleek, low-profile body that fits cleanly onto tight stages and into smaller vehicles, this professional instrument is built for touring musicians, session players, and studio producers who need uncompromising keyboard realism in a travel-ready size.
The Korg Grandstage 73 is a professional stage piano designed for live performers who need premium sound quality, expressive playability, and a compact 73-key format for easier transport and stage integration. It combines multiple advanced sound engines with Korg’s RH3 weighted hammer action keyboard, delivering realistic acoustic piano feel and a wide range of performance-ready sounds.
Optimized for touring musicians, studio players, and live keyboardists, the Grandstage 73 provides fast sound selection, intuitive controls, and high-end sound engines tailored for stage performance environments where reliability and immediacy are critical.
RH3 Weighted Hammer Action Keyboard
The Grandstage 73 features Korg’s flagship RH3 keybed, delivering an authentic piano playing experience in a slightly more compact format than an 88-key instrument.
- 73-key RH3 graded hammer action keyboard
- Natural acoustic piano response
- Velocity-sensitive performance
- Balanced weight distribution across keys
- Ideal for stage mobility and transport
Advanced Multi-Engine Sound System
The Grandstage 73 uses multiple dedicated sound engines, each optimized for different instrument types to ensure high realism and expressive detail.
- SGX-2 Acoustic Piano engine for realistic grand piano sounds
- EP-1 Electric Piano engine for vintage and modern EP tones
- CX-3 Tonewheel Organ engine for classic organ sounds
- VOX Organ engine for transistor organ textures
- AL-1 Analog Modeling engine for synth sounds
- HD-1 PCM sound engine for additional instrument layers
- 500+ onboard sounds
Professional Stage Piano Sound Library
The instrument includes a carefully curated collection of sounds designed specifically for live performance scenarios.
- Concert grand piano variations
- Electric piano and Rhodes-style tones
- Hammond-style organ sounds
- Strings, pads, and ensemble layers
- Analog-style synth textures
Performance-Oriented Control Interface
The Grandstage 73 is designed for immediate control and fast access during live performances.
- Dedicated sound category selectors
- Favorites section for instant recall
- OLED display for clear navigation
- Real-time performance knobs
- Pitch bend and modulation controls
Effects and Sound Shaping
Built-in effects allow detailed sound shaping directly from the front panel without external processors.
- High-quality reverb effects
- Delay and modulation effects
- 3-band EQ (low, mid, high)
- Insert effects per program
- Real-time adjustable parameters
Stage and Studio Connectivity
The Grandstage 73 provides professional-grade connectivity for live and studio environments.
- Balanced XLR main outputs
- Unbalanced line outputs
- Headphone output
- MIDI In and Out
- USB MIDI interface
- Pedal and expression inputs
Compact Stage-Friendly Design
The 73-key configuration reduces weight and size while maintaining full performance capability, making it ideal for touring musicians.
- Reduced footprint compared to 88-key model
- Easier transport and setup
- Optimized for live stage rigs
- Durable professional build
Key Features
- Professional stage piano with RH3 keyboard
- 73-key weighted hammer action
- 500+ onboard sounds
- SGX-2 acoustic piano engine
- EP-1 electric piano engine
- CX-3 and VOX organ engines
- AL-1 analog modeling engine
- HD-1 PCM sound engine
- Favorites and quick recall system
- Real-time performance controls
- Studio and stage connectivity options
Technical Specifications
- Product Type: Stage Piano
- Model: Korg Grandstage 73
- Keyboard: 73-key RH3 weighted hammer action
- Polyphony: Engine-dependent (multi-engine system)
- Sounds: 500+ programs
- Effects: Reverb, delay, EQ, insert effects
- Outputs: Balanced XLR, line out, headphone
- MIDI: In / Out
- USB: USB MIDI interface
- Controls: Pitch bend, modulation, real-time knobs
- Weight: approx. 15–16 kg
The Korg Grandstage 73 delivers professional-grade stage piano performance in a more portable format, combining expressive keyboard action, powerful multi-engine sound design, and intuitive live controls for demanding performance environments.
| Keyboard Keys | 73 |
|---|---|
| Brands | KORG |































































































































