Casio CTK-485 - Introduction to the CTK-485; Manual Content Overview; Safety and Handling Precautions; General Safety and AC Adapter Use

— 2 —
ELECTRICAL
Current drain with 9 V DC:
No sound output 137 mA ± 20 %
Maximum volume 710 mA ± 20 %
with white keys C1 to G2 pressed in Synth-Lead 1
Volume: maximum.
Speaker output level (Vrms with 40 Ω load each channel):
with key A1 pressed in Synth-Lead 1 L-ch: 1,260 mV ± 20%
R-ch:1,200 mV ± 20%
Phone output level (Vrms with 8 Ω load each channel):
with key A2 pressed in Synth-Lead 1 L-ch: 93 mV ± 20%
R-ch: 90 mV ± 20%
Minimum operating voltage: 6.0 V