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Showing results for tags 'adapter'.
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Looking for insight on AC adapters for 80s Casio keyboards, specifically AD-5 adapters. I have a Casiotone CT-605 and CT-310. The power ratings on the back panels of each are the following: DC 9V, 9.2W for the CT-605. DC 9V, 8.5W for the CT-310. No explicit rating is given for the input current. The AC adapter for both (and many others) is the Casio AD-5. I'm assuming that the adapters vary in name based on the region they're used. For instance AD-5U (USA), AD-5UL, AD-5J (Japan), AD-5E, AD-5EL, and so on. They all seem to output 9V, 850mA. Am I correct in assuming that the above keyboards require currents of 9.2W/9V = ~1022mA and 8.5W/9 = ~944mA? If so, why do the AD-5 adapters output a lower current than the devices they're supposed to power? What am I missing here? I have a non OEM adapter whose specs for output match the AD-5 adapter (9V, 850mA). Both of the keyboards turn on and seem to function completely fine with it, but I don't want to risk any long term damage, if any is possible. Thanks!
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- power
- ct-310 classic
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I just got a Casio CTK 2400 last night and I noticed my right earbud on my headphone wasn't working. I tried various headphones and they still didn't work. I tried the stereo standard plug (the adapter) on my guitar amplifier and it was working. The headphones I used were the ones that came with my Apple phone. I would like to fix this problem asap so please don't hesitate to help me out.
- 3 replies
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- headphones
- ctk2400
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