Console power supply universal replacements (information only)

Polarity (Center-negative)

The following consoles are all center negative, meaning the center of the barrel connector is negative, which is the opposite of most consumer electronic devices. (Guitar effects pedals are generally center negative as well.) So you could use a switchmode replacement like the 1.3A Triad WSU090-1300-R from Console5 to power the following:

  • Nintendo 1 (NES) (these actually expect AC, but center negative DC works.)
  • Famicom (Japanese import NES)
  • Super Nintendo (SNES)
  • Super Famicom (Japanese import SNES)
  • Sega Master System
  • Sega Genesis model 1
  • PC Engine
  • TurboGrafx 16
  • Atari Jaguar

I use the Triad WSU090-2500-R as a replacement for the above consoles. It’s the next model up from the one Console5 sells but is rated for 2.5 amps rather than 1.3A.  It’s priced at $10.37 as of Sept. 2020, so 42¢ more for significantly more power headroom. If the above 2 options are out-of-stock, there’s also the Triad WSU090-2000-R rated at 2A.

On these Triad models, check for the “-R” at the end of the model number for “reverse polarity,” otherwise you’ll receive center positive.

Polarity (Center-positive)

Watch out! These are reverse of the above and more in-line with standard wall warts (center positive.)

  • Atari 5200
  • Atari 2600 (non-barrel connector, looks more like a mini-audio plug)
  • Sharp Twin Famicom
  • NEC Turbo Duo / PC Engine Duo (non-standard barrel)
  • Sega Genesis model 2 (1.7mm plug, i.e. EIAJ-03 barrel)
  • Sega Genesis model 3 (1.7mm plug, i.e. EIAJ-03 barrel)

Oddities:

The Magnavox Odyssey 2 adapter outputs AC, but I’ve successfully used it with a center-positive DC adapter when the original broke.

 

 

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