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Why do I like Class AB better than Class A?

So I just purchased a Plinius SA 100 MKIII, and have had 2 listening sessions comparing both with the toggle switch. To me clearly the AB is more detailed and focused, the A is warm but a little fuzzy and bloated, although I would give it a slight nod on just vocal songs. Am I just not use to the sound as this is my first A amp or have I not let it properly warm up for class A (1hour or so).
Don't get me wrong, i love the amp, great bottom end slam but I don't hear the holy grail from Class A. Thanks in advance for the input guys.
barfbag

Showing 2 responses by lak

lak's avatar
lak
4,724 posts
 
Barfbag,
I have owned the Plinius III and always thought it sounded better in class A. How long are you allowing it to warms up? Needs maybe 20 minutes to sound like class A.
lak's avatar
lak
4,724 posts
 
Clarification on my above post. I left my Plinius SA 100 MK III on 24/7 in A/B but when I switched it to class A it took at least 20 minutes to reach the sound I desired.
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