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Fender twin Reverb
Fender twin Reverb
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Old 11th May 2008, 08:13 AM   #1
theriffa is offline theriffa  Australia
diyAudio Member
Join Date: May 2008
Default Fender twin Reverb

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??


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Old 11th May 2008, 02:15 PM   #2
Nigel Goodwin is offline Nigel Goodwin  England
diyAudio Member
Join Date: Jul 2005
Location: North Derbyshire
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.
Nigel Goodwin
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