How do I adapt the Firefly to 220v?

Started by Ultra Spidey, December 13, 2007, 06:09:14 PM

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Ultra Spidey

I want to build the Firefly as shown here http://www.diyguitarist.com/PDF_Files/FireflyChassis.pdf and probably here too http://annex.ax84.com/media/ax84_m276.gif (didn't verify that both are correct yet. which one is more reliable?)
Problem is, the firefly runs off 120v, whereas the voltage around this part of the world is 220/230v.
Which transformer(s?) do I use instead of the 269EX?

Additionally, if I want to be able to switch 4 / 8 / 16 ohm, what else do I need?

Papa_lazerous

you might do better posting at AX84.com also hammond do plenty transformers (hint)

distortedskies

This has already been discussed before at ax84.com but basically you want to replace the 2 in the part number with a 3 which will give you the universal primary version, allowing for use on a variety of primary voltages. So the part number you want is a Hammond 369EX. Go check out the AX84.com forums for more info, they have a whole section on the forum devoted to the firefly.

-Matt at Triode

Ultra Spidey

Thanks alot, I didn't even notice the link to their forums!  :icon_smile: