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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
jim_swantko
301 posts
 
My experience with Class-A operation (mostly with Parasound JC1's) is very different than yours. My soundstage becomes MORE defined, not less. It also grows in all directions.

If it weren't for the heat I would never use the low-bias setting.
ngjockey
1,042 posts
 
I have a couple of the same amps. The difference between those modes of operation can be subtle, depending on the recording and the volume. Patience... you'll hear it. After a while, you'll never want to listen in anything other than class A. Probably getting conditioned to the "laid-back" character of the amp as well.
syntax's avatar
syntax
2,193 posts
 
Sounds like God is telling you to upgrade ....
lak's avatar
Ag insider logo xs@2x
lak
4,682 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.
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