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controller mods

6072 Views 31 Replies 12 Participants Last post by  Mr-X
what modifications are there to do with a parma controller? what are these mysterious "black boxes" that i hear of? where can i find circuit diagrams?

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Have a look at the controller feature on Graham's website - page 1. It's probably just what you're looking for:

Grah's web site also says this feature only works with mains transformer power supplies so it might be little more than a big capacitor.
1 - 2 of 32 Posts
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