Why does Amps/Preamps forum have most threads?

I found the preamp to have most influence on the musical presentation.

While the preamp is important, I find the amp-speaker duo the most important link which has to be right. If this is wrong nothing upstream can save it. Jallen

There is a good reason why Amps/Preamps is listed first.
In addition to the fine answers mentioned above, it is the
most popular category. Besides once you post under
amps/preamps you are not allowed to leave, they won't let you.

Hard to argue that the preamp is the most important component, when its functions are increasingly being assumed by front end components with volume controls, to say nothing of poweramps with volume controls.

I have to say i can remember more about my old preamps than most other bits of kit.
I currently own three great preamps. All stuck in one system.
The Bryston BP-26 is the heart.
THe VAC Standard i use as a glirified tube buffer for all my digital,
And the Audio reseach Sp-15 as a spare phono preamp, with its nice three tube phono section.
All three have separate power suppies. I must like the sound with separate power supplies as all three are keepers.