Reference
EN-38
• Design and specifications are subject to change without notice.
Specifications
Model CTK-2090/CTK-2400
Keyboard 61 standard-size keys
Maximum Polyphony 48 notes (24 for certain tones)
Tones
Built-in Tones 400
Sampling Tones 1 (Long Sampling) or 5 (Short Sampling)
Sampling Time: 2 second (Long Sampling) or approximately 0.4 seconds each (Short
Sampling)
Effects: 5 types
Sampling Demo Tune: 1
Reverb 1 to 10, Off
Metronome
Beats per Measure 0, 2 to 6
Tempo Range 30 to 255
Song Bank
Tunes 110
Step Up Lesson
Lessons 5 (Listen, Watch, Remember, Next, Auto)
Lesson Part L, R, LR
Functions Repeat, Voice Fingering Guide, Note Guide, Performance Evaluation
Auto Accompaniment
Rhythm Patterns 150
One Touch Presets 150
Other Functions
Transpose ±1 octaves (–12 to +12 semitones)
Tuning A4 = 415.5 to 465.9 Hz (Initial Default: 440.0 Hz)
MIDI 16 multi-timbre received, GM Level 1 standard
Musical Information Function Tone, Rhythm, Song Bank numbers and names, staff notation, fingering, pedal operation,
tempo, measure and beat number, chord name, etc.
Inputs/Outputs
USB port TYPE B
Sustain jack Standard jack (sustain, sostenuto, soft, rhythm)
Phones/Output jack Stereo standard jack
Output Impedance: 200Ω, Output Voltage: 4.5V (RMS) MAX
Audio In jack Stereo mini jack
Input Impedance: 9kΩ, Input Sensitivity: 200mV
Built-in microphone
Power Jack 9.5V DC
Power Supply 2-way
Batteries 6 AA-size zinc-carbon batteries or alkaline batteries
Battery Life Approximately 3 hours continuous operation on alkaline batteries
AC Adaptor AD-E95100L
Auto Power Off Approximately 6 minutes (during battery operation) or 30 minutes (during AC adaptor
operation) without any operation
Speakers 10cm × 2
Output 2W + 2W
Power Consumption 9.5V = 7.7W
Dimensions 94.6 × 30.7 × 9.2 cm (37
1
/4 × 12
1
/16 × 3
5
/8 inch)
Weight Approximately 3.4kg (7.5 lbs) (without batteries)
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