P paul h New member Jul 7, 2009 #1 I just inherited a Yamaha prs-70 keyboard. an online manual said the proper adapter was the PA-4, however it came with a PA-1. The PA-1 says 12 volts output. 6 Dcell bats work out to 9 volts. Is the PA-4 9 volts or 12 volts? Thanks
I just inherited a Yamaha prs-70 keyboard. an online manual said the proper adapter was the PA-4, however it came with a PA-1. The PA-1 says 12 volts output. 6 Dcell bats work out to 9 volts. Is the PA-4 9 volts or 12 volts? Thanks