40g in 20s is as slow as it goes, it’s not even a classic, it’s an old model called a Cubika. Considering it cost £50 6 or so years ago, I reckon it does a pretty good job!
Just chokes or channels if I try and get slower shots. Tastes good enough for me either way!
Putting a video of your espresso extraction on this thread? Damn brave of you ;)
I oddly miss the hum of my Classic