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Specifications - Casio CTK-431 Service Manual

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GENERAL
Keyboard:
Tones:
Polyphony:
Auto accompaniment
Rhythm patterns:
Tempo:
Chords:
Rhythm controller:
Accomp volume:
Song bank
Tunes:
Controllers:
Musical dictionary
Name display:
Tempo:
Chord:
Fingering:
Song bank status:
Staff:
Keyboard:
MIDI:
Other functions
Transpose:
Tuning:
Volume:
Terminals
MIDI terminals:
Phones/Output terminal:
Power supply terminal:
Power supply
Batteries:
Battery life:
AC adaptor:
Auto power off:
Speaker output:
Power consumption:
Dimensions (HWD):
Weight:
ELECTRICAL
Current drain with 9 V DC:
No sound output
Maximum volume
with 12 keys C1 to B1 pressed in Synth-Lead 1
Volume: 9 (Max.)
Phone output level (Vrms with 8 Ω load each channel):
with key A4 pressed in Synth-Lead 1
Speaker output level (Vrms with 4 Ω load each channel):
with key C4 pressed in Synth-Lead 1
Output level (Vrms with 47 KΩ load each channel):
with key C1 pressed in Synth-Lead 1
Minimum operating voltage:

SPECIFICATIONS

49 standard-size keys, 4 octaves
100
12 notes maximum (6 for certain tones)
100
Variable (236 steps, = 20 to 255)
2 fingering methods (CASIO CHORD, FINGERED)
START/STOP, SYNCHRO/FILL-IN
0 to 9 (10 steps)
100
PLAY/PAUSE, STOP, REW, FF, LEFT ON/OFF, RIGHT ON/OFF
TONE, RHYTHM, SONG BANK name/number, keyboard settings name/value
Tempo value, metronome, synchro standby, beat indicator
Chord name, Chord form
Fingering indicators, parts, pedal (The pedal indicator is for received MIDI
data only.)
PLAY, PAUSE, REW, FF
4 octaves with sharp and flat indications
4 octaves
5 multi-timbre receive
12 steps (–6 semitones to +5 semitones)
Variable (A4 = approximately 440 Hz ± 50 cents)
0 to 9 (10 steps)
IN, OUT
Stereo standard jack (Output is monaural.)
Output Impedance: 60 Ω
Output Voltage: 5 V (RMS) MAX
9 V DC
Dual power supply system
6 AA-size batteries
Approximately 2 hours (SUM-3/R6P)/4 hours (AM3/LR6)
AD-5
Turns power off approximately six minutes after last key operation. Can be
disabled manually.
3.0 W (Output is monaural.)
9 V --- 7.5 W
958 × 310 × 132 mm (37-3/4 × 12-3/16 × 5-3/16 inches)
Approximately 3.5 kg (7.7 lbs) (without batteries)
— 1 —
200 mA ± 20 %
750 mA ± 20 %
95 mV ± 20 %
1050 mV ± 20 %
1100 mV ± 20 %
5.7 V

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