Tube amps are inconsistent and finicky. I am an a native English speaker with a college degree and well, spoken, but highly intoxicated at the moment, so I apologize for the typos. The odds are slim the Cliff's reference amp sounds close to your amp. Production runs, inconsistencies in components suppliers, tube irregularities, and finally speakers.
I have over 10,000 IR captures - a mixture of professional, and freebies from the forum. No 2 sound alike. Inconsistencies in the cabinets, humidity saturation of the wood of the cabinets, age, and fatigue of the speakers, inconsistency of the materials comprising the speaker assembly itself, inconsistencies in the diaphragm of the mics, and differences in the distance, and angles, preamps used to capture.
Stop me if I'm rambling.
You can make almost any basic amp or the competitive variations, in other words, the Fender models or the off brands that are hot-rodded or "improved" variants that are models in the Axe FX, cover the gambit of useable tones. They all mean something different to different people.
If Fractal removed the names and renamed them Amp 1 through Amp 300 or however many there are, you'd just have to use your ears, or your musicianship.
And that's what I've concluded in the overwhelming choices and options, that are, at times, paralyzing --- it comes down to how well I play the guitar. Which is, not all that well, I'm afraid.
The truth is in there. Restrict yourself to a few "Go-to" amps and cabs, like a real human-being would have, and you'll be better off. At one time, I had a Mesa Studio Pre-amp and a Marshall JCM 800 2x12 into a reactive load box and cabled through a Switchblade audio midi patch-bay and then using a Mosfet stereo power amp into 2 - 4x12 cabs, and I though I was God incarnate, and could get any sound I wanted back in the day. I had essentially 4 pre-amp channels and a rack of effects units.
Now, I can limit myself to a few basic options of clean, dirty, and mean, and not concern myself with side by side comparisons to the real thing. In the mix, it always sounds beautimus to my ears.
Until, I watch a Leon video, after which, my hopes and dreams are dashed to pieces, and I decide I don't really know how to play.... or say "Beetah" correctly.
Rant over.