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Amazon.com: UpBright 7.5V AC/DC Adapter Compatible with Casio LK-6 Keyboard PT-10 PT-80 PT-82 PT-87 PT-88 PT-100 SK-1 SK-5 SK-10 SA-75 SA-38 SA-65 SA-67 SA-20 SA-35 SA-45 MT-28 MT-31 AD-1 AD-1U AD-1UL 600mA
![File:Casio PT-87, Qwik Time QT-7 Quartz Metronome, Guitar pedals (photo by Jason Gessner).jpg - Wikimedia Commons File:Casio PT-87, Qwik Time QT-7 Quartz Metronome, Guitar pedals (photo by Jason Gessner).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/0/02/Casio_PT-87%2C_Qwik_Time_QT-7_Quartz_Metronome%2C_Guitar_pedals_%28photo_by_Jason_Gessner%29.jpg/1200px-Casio_PT-87%2C_Qwik_Time_QT-7_Quartz_Metronome%2C_Guitar_pedals_%28photo_by_Jason_Gessner%29.jpg)
File:Casio PT-87, Qwik Time QT-7 Quartz Metronome, Guitar pedals (photo by Jason Gessner).jpg - Wikimedia Commons
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