Casio CTK-611 Service Manual page 4

ELECTRICAL
Current drain with 9 V DC:
No sound output
Maximum volume
with 12 keys from C3 to B3 pressed in Square wave tone
Volume: maximum, Touch response: maximum
Reverb: Hall
Phone output level (Vrms with 8 Ω load each channel):
with key C6 pressed in Bassoon tone
Volume: maximum, Touch response: maximum
Reverb: Hall
Speaker output level (Vrms with 4 Ω load each channel):
with key F5 pressed in Bassoon tone
Volume: maximum, Touch response: maximum
Reverb: Hall
Output level (Vrms with 47k Ω load each channel):
with key F5 pressed in Bassoon tone
Volume: maximum, Touch response: maximum
Reverb: Hall
Minimum operating voltage:
About General MIDI
General MIDI standardizes MIDI data for all sound source types, regardless of manufacturer. General MIDI
specifies such factors as tone numbering, drum sounds, and available MIDI channels for all sound sources.
This standard makes it possible for all MIDI equipment to reproduce the same nuances when playing
General MIDI data, regardless of the manufacturer of the sound source.
This keyboard supports General MIDI, so it can be used to play commercially available pre-recorded
General MIDI data and General MIDI data send to it from a personal computer.
L-ch
R-ch
L-ch
R-ch
L-ch
R-ch
— 2 —
340 mA ± 20 %
1012 mA ± 20 %
90 mV ± 20 %
100 mV ± 20 %
1150 mV ± 20 %
1000 mV ± 20 %
1200 mV ± 20 %
1000 mV ± 20 %
6.3 V