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DDC-1 (Black Impeller)

Updated 4-24-11
As an added test, I installed the PCB in a DDC-1 thanks to bmaverick for sending over the non-working pump.  While it’s not quite as dramatic of a gain as it was in the DDC-3, it’s still a very good gain on a DDC-1.  I gained roughly 23% pressure improvement on the DDC-1.  While it’s not a silent as the Sanyo controller, it does produce a bit more power.  Here is the detail and comparison of that DDC-1 test:

DDC-1 Tested at 12V

Also of some interesting note, the Toshiba is extremely electrically efficient on this pump.  I hit almost 29% efficiency which may possibly be my best to date of any water cooling pump.  While it may not be the most silent, the Toshiba is very electrically efficient.

And here is the comparison to the Laing and Sanyo PCBs on the same pump with same top.

PCB comparison DDC-1

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