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Vintage Casio CTK-411 Keyboard Synth, Works but Has Quirks So Sold As Is! Great For Circuit Bending! | Reverb
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Amazon.com: UpBright New 9V AC/DC Adapter Compatible with Casio CTK-560L CTK-491 CTK-551 CTK-648 CTK-671 CTK-620L CTK-651 CTK-451 CTK-647 CTK-130 CTK-411 CTK-330 CTK-401 Keyboard Piano 9VDC 9.0V Power Supply Cord : Musical Instruments
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Amazon.com: MyVolts 9V Power Supply Adaptor Compatible with/Replacement for Casio CTK-411 Keyboard - US Plug : Musical Instruments
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