Hoffman Amplifiers Tube Amplifier Forum
Amp Stuff => AmpTools/Tech Tips => Topic started by: JayCobie on October 06, 2018, 10:27:30 am
-
What do you guys think of audio autotransformers as a utility tool for mismatched amps/speakers?
I bought this Carlsbro 100v line module (probably from the 70's or 80's), rated for 100w, off eBay and was pleasantly surprised that it contained a partridge-style audio autotransformer from Drake.
It works beautifully in the 2 mismatching tests I tried (4ohm output to 8ohm speaker and vice versa with different amps and speakers) so I started wondering why I don't hear of things like this being used more often.
I realize that uneducated users would be likely to fry under-powered speakers from power doubling/quadrupling but this still seems like a great (if heavy) piece of kit to have lying around.
Any thoughts?