Keeley Katana Boost

UPDATE (09-02-2012):
Without the chargepump and so requires an 18V supply.  The schematic that the earlier layout was created from has been shown to be incorrect.  In the scheme the switchable 10u cap was linked to the source of Q2, this in fact needs to link to the source of Q1.  Apologies to anyone who has made this up, but it is a quick fix, just unsolder the cable and re-solder it into it’s new home as per the updated layout below:

Here is a simple vero chargepump layout if you need a 9 to 18V converter:

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