About Video Encoders

This is the meat and potatoes of your supergun.  The encoder you pick determines how well your supergun performs across the wide range of JAMMA "standards" out there.  I will give you my observations on which works best and in what situations.


R2N ($63.78) - made by "c.t.h" at CrazeArcade, this is probably the cheapest board and works great!  Based on AD725 and outputs composite and S-Video.

This is an easy board to work with and does not require soldering as the inputs and outputs are all attached via the screw terminals.

Power on LED (green). 

High compatibility with Neo Geo MVS and Atomiswave.  You could argue that S-Video from this encoder is the best you can get from a Neo (and similar to NeoBitz S-Video).


JROK (approx $75) - made by James at JROK.com, this is perhaps the most versatile board available.  Based on Sony encoder and outputs composite and S-Video.  Has potentiometers for RGB adjustment on-board.

The JROK is really the original RGB encoder board and has been used in countless superguns, consolized systems, etc.  It works exceptionally well for a huge range of JAMMA boards.  Notable exception is poor performance with Atomiswave.
Cool power on LED too.
Comes with the two wire harnesses you see for inputs.  Can be purchased either with the composite and S-Video mounts installed on the PCB or separate for panel mounting.

NeoBitz (approx $115) - This is a new board that has component video in addition to S-Video and composite!  It features a custom circuit designed by Jeff Kurtz and uses and AD724 for the S-Video and composite functions.

This is the new kid in town and it's great.  This board is the only encoder of this type that can also handle component video!  And it's compatibility is highest in component mode.  A list of compatible boards (so far!) is listed here.
This encoder was developed and optimized specifically for Neo Geo MVS/AES application, but I have found that it is compatible with nearly any JAMMA board!  Comes with two wire harnesses, one for inputs, one for outputs.
Compatibility with the maximum number of boards is achieved by adding a sync separator IC in line with the sync signal on this board (info coming soon!).


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