Factory Tubeworks - RT-903 Blue Tube  [schematic]

All about modern commercial stompbox circuits from Electro Harmonix over MXR, Boss and Ibanez into the nineties.
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MillsApparatus
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Post by MillsApparatus »

Pesocaster unexpectedly came through and emailed me the schem today, so I get to finally contribute something! For your viewing and possibly layout-making pleasure, the factory schematic for the 903:
Factory Tubeworks - RT-903 Blue Tube
Factory Tubeworks - RT-903 Blue Tube
https://i731.photobucket.com/albums/ww3 ... us/903.jpg
And in case you don't have the Real Tube schematic for direct comparison here's that: https://i731.photobucket.com/albums/ww3 ... ematic.jpg

Enjoy!

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Bside2234
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Post by Bside2234 »

Only difference is 2 resistors and the Hi pot value?

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