Audio Project Amplifier Speaker Loudspeaker Kit
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Fender twin Reverb - Click HERE for Original Thread
theriffa
Hello.
I've jsut brought a Fender twin Reverb fom the states, it's siting right next to me!
I need to get a step down transformer to lower the voltage to 110v.
Im Just not sure what size transformer i need to get?
I know the amp is 100w R.M.S, thats the output from the speakers.
However it also says on the back 300w at 117v at 60 hz
MY question,,,
do i need to transformer that covers the 300w or the 100w??

Thanks

eVAN
Nigel Goodwin
You need at least 300W - valve amplifiers are incredibly inefficient - ignoring everything else the matched impedance speaker output means it wastes 100W when it outputs 100W.

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