Grounded vs non-grounded bypass?

[m7b52000]

I am about to box up a Ge fuzz - battery only with no LED. I would normally use a 3pdt switch wired so that the effect is grounded when bypassed. Am I right in thinking that I really only need a 2pdt for my planned build but the effect won't be grounded when bypassed? Does it matter if it is battery only?

thanks

Tony

[ElectricDruid]

Am I right in thinking that I really only need a 2pdt for my planned build but the effect won't be grounded when bypassed?

No, you can do it either way, grounded or not for DPDT. Here's examples:

http://www.generalguitargadgets.com/pdf/ggg_sw_dpdt_tb.pdf
http://www.generalguitargadgets.com/pdf/ggg_sw_dpdt_tb_gi.pdf

(Both from the excellent page at: http://www.generalguitargadgets.com/how-to-build-it/technical-help/switching-and-wiring/bypass-sw-options/ )

Does it matter if it is battery only?

A battery supply is likely to be quieter, it's true. But then again, if you can wire it up so it makes less noise, why not do it?

[m7b52000]

Thanks. Re the battery - I meant would the non grounded bypass matter less if the pedal is battery only?

[ElectricDruid]

Thanks. Re the battery - I meant would the non grounded bypass matter less if the pedal is battery only?

Yeah, it matters less. But why not do a grounded bypass anyway, just to make sure?

Try it and see, I suppose.

[m7b52000]

Thanks again. The GGG diagrams are most helpful!