Welcome to the Power Supply section. With SEGA have about 100 different system available we ended up with a bunch of different power supplies. In this section I will list each one and which units it will work with.

NOTE: When it comes to power supplies, the two areas that are of the most concern are VOLTS OUTPUT and AMPS OUTPUT. The VOLTAGE should always be the right amount for the system you are hooking up (most systems list their requirements on the bottom). The AMPS on the other hand you have a little leeway with, you can safely use a power supply that provides MORE amps than the system requires, but not (much) less AMPS. So if you system wants .85 amps, it would be OK to use a 1.2 amps, as the system can adjust its’ needs.

MK-1479: for use with SEGA Genesis 3

INPUT: 120V 60Hz 7W

OUTPUT: 10V - .3 Amp

This was made for the third and final model of the SEGA Genesis. This one was actually licensed to MAJESCO to manufacture. This unit is smaller than all the others (even though I enlarged to same size on this site).

With its low amperage it will not work for any other systems.

MK-3025: for use with SEGA Master System

INPUT: 120V AC 60Hz 15W

OUTPUT: 9V - 1.0 Amp

This is the power supply for the original SEGA Master System, also known as Power Base.

MK-2103(-1): for use with SEGA Genesis 2, 32X

INPUT: 120V 60Hz 15W

OUTPUT: 10V - .85 Amp

The “Yellow Tip” power supply. This power supply was packed in with the SEGA Genesis 2 and 32X. It will also work with the GAME GEAR and NOMAD portable units. 2103-1 was packed with the GAME GEAR, it has the same spec. There are 2 or 3 different cases for these units, but they all work the same.

MK-4122 for the SEGA CDX

INPUT: 120V 60Hz 23W

OUTPUT: 9.5V - 1.5 Amp

This power supply is hard to find and is the ONLY one you should use with the SEGA CDX. The Genesis 2 MK-2103 will fit but is under powered. I personally have seen it cause problems, and when you drop down the cash for a SEGA CDX., you don’t want to burn it out by using the wrong power supply! I wouldn’t use it for anything else either.

The SEGA Saturn and Dreamcast moved to this standard 2-prong plug.

You can find one of these almost anywhere. You probably have one in your garage right now. The only thing you need to watch out for is the Original SEGA Saturn (oval buttons). This unit did not have the notches you see between the two prongs. It came with the same looking cord except it was smooth across the 2 prongs, and will not fit into the second Saturn or Dreamcast because the unit itself has the notches on the port.

MK-1602: for use with SEGA GENESIS 1, CD 1, CD 2

INPUT: 120V 60Hz 35W

OUTPUT: 9V - 1.2 Amp (1602-1: 10V - 1.2 Amp)

This is a good power supply to have. This is used for the Original Genesis and both versions of the SEGA CD. There are 2 or 3 different cases for the unit, but they all work the same. And a version 1602-1 which outputs 10v but works for all. It is also known as the “Black Tip”, referring to the plug color.

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WILL WORK WITH:

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WILL WORK WITH:

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AA-S95J for the JVC X’EYE

INPUT: 120V 25W

OUTPUT: 9.5V - 1.5 Amp

This power supply is also hard to find. This baby has the same specs as the CDX power supply and may work with it also. But I’m not gonna make that claim until I check, so stay tuned! And sorry about the crappy pic, I will clean it up soon.

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