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Single Ended Triodes (SETs), the ultimate tube lovers dream.

RE: SET active versus passive biamplification

Iodemus

The difference is the load.
In an active filter, the load is a grid leak
resistor which is a constant LCR
(Inductance/Capacitance/Resistance) load never
changing at different frequencies or volumes.
In a passive filter, the load is a speaker with
various LCR ratings that change with volume and
with frequency as well as decreasing the
dampening factor with every componant.
The less you have between the amp and the speaker
the better the amp can control the speaker.
The better the amp controls the speaker, the clearer
the sound and the wider the frequency responce.

DanL



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