Korg GS1-88 Grandstage Piano

Korg GS1-88 Grand Stage Specificaties

Keyboard

Keyboard

88-key: RH3 (Real Weighted Hammer Action 3), A0–C8, 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 max.)

* The actual polyphony will vary depending on the synthesis engines and effects being used.
* KORG’s proprietary system dynamically allocates voice processing power between synth engines as necessary.
The quoted maximum numbers of voices apply when 100% of the voice processing power is devoted to a single engine.

Preloaded PCM Storage Capacity

Approx. 19 GB (approx. 32 GB using linear conversion)

Number of Sounds

500

Favorite

64 (Includes 32 preloads)

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 1 from Reverb type (HALL, STAGE, ROOM, SPRING), Delay type (DELAY, CROSS, TAPE, MOD DLY). DEPTH, TIME (Tap) parameter, user-editable

Equalizer Section

EQUALIZER button, LOW, MID, HIGH slider (3 band Equalizer)

Panel Interface

FAVORITE

64 (A–H: 8, 1–8: 8), WRITE button

KEYBOARDS

Category selection knob, Display (128 x 64 dots), LEVEL knob, VARIATION knob, EDIT button

ENSEMBLE

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.

Other

SPLIT button, SWAP button, EXIT (PANEL LOCK) button, SYSTEM button, TRANSPOSE button, DEMO (SYSTEM button + TRANSPOSE button)

Controllers

Realtime Controller

Pitch bend wheel, Modulation wheel, SW1 button, SW2 button

Master Volume

MASTER VOLUME knob

Principal Specifications

Frequency Response

20 Hz–22 kHz: +/-1.0 dB, 10 k ohm load

THD+N

20 Hz–22 kHz: 0.005%, 10 k ohm load

S/N Ratio

105 dB, 10 k ohm load

Audio Output

Audio Output (Left/Right): XLR

Connector: XLR-3-32 type (balanced)
Output Impedance: 600 ohm
Maximum Level: +16 dBu
Load Impedance: 10 k ohm
LIFT - GND switch

Audio Output (L/Mono, R): phone

Connector: 6.3 mm TS phone jacks (unbalanced)
Output Impedance: 1.1 k ohm stereo; 600 ohm mono (L/Mono only)
Maximum Level: +16 dBu
Load Impedance: 10 k ohm

Headphones

Connector: 6.3 mm stereo phone jack
Output Impedance: 50 ohm
Maximum level: 150 mW + 150 mW @32 ohm

General

Demo Songs

16

Foot Controllers

DAMPER (half-pedaling supported), SWITCH, PEDAL

MIDI

IN, OUT

USB

USB A (TYPE A) x1: For connecting USB storage media
USB B (TYPE B) x1: USB-MIDI Interface

Power Supply

AC Power Supply terminal, Power button

Dimensions (W x D x H)

88-key: 1311 mm x 359 mm x 140 mm / 51.64" x 14.13" x 5.51" (excluding music stand)

Weight

88-key: 20.0 kg / 44.09 lbs (excluding music stand)

Power Consumption

30 W

Included Items

AC cord, Music stand, Damper pedal (DS-1H)