Multitester tested for voltage. This is a voltage EQUIVALENT for the Yamaha voltage regulator, power supply, powersupply, inverter, adaptor for some Yamaha electronic keyboards. AC input 120V and  DC 9-12v output: 9 volt 1A (aka: 9VDC 1000mA). Amperage can be higher, but never lower. Round barrel connector with a positive center. Shape, size and color may differ slightly from photo.

Special heavy wrapping is provided to protect the prongs. S&H in the contiguous USA is $7.(insured shipping).

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USPS DELIVERY TIME: As stated in the item listing, seller will drop-off your item to the USPS within 5 days of receiving cleared payment. How long it takes to deliver to your door is strictly within USPS control and not within the control of seller. Please leave 5 stars for seller 5 day drop-off time.