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Patrick Turner
 
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Heinz wrote:

Hi,

can the OPTīs from a tube amp be damaged if:
I use the 16 ohms tap and connect 4 ohm speakers?


The OPT is unlikely to be damaged, but if high volume levels are
used constantly with 4 ohm speakers on the 16 ohm tap,
the tubes might start glowing red hot and fail.

But at low level listening, you should be OK, except that
distortion will be 6 times more.



and I use the 4 ohms tap and connect 16 ohm speakers?


This way distortion will be 3 times less, but there is *no* risk
of damaging the tubes or the OPT.
There will be less maximum power.

Patrick Turner.



Thanks, Heinz