Is the F1 dead?

I ask as there is not much talk about it.
Seems the f5 is all the rave now
Witch one is better for fullrange speakers?

Yes becouse F5 is the most simple and the least demanding to the speakers of all First Watt amps.

But it does not mean it's the best especially for the specific driver or/and crossover combination.

For full range driver still F1/F2 or F3 might be better depending on the enclosure and the rest of the systm and preferences.
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