Tannoy cheviot vs Arden what should I expect from each?

I have owned the Tannoy Ardens for 44 years and was fortunate to be able to audition the entire Legacy group (then four sizes) in person in a controlled room in '77. I wavered between them only because the Ardens are really BIG, but I finally went with them because the enclosure size DOES make a difference in rich, full bass response and a distinct imaging...so hard to convey what you hear but I have never heard a sweeter speaker. It is not heavy on treble so remember that when picking you amplification, but I use mine with tubes and LOVE the warmth and smoothness. Never been tempted by another..likely never will. I was lucky to find my "forever" speakers at the age of 25! I'm now in a custody battle as when we divorced we agreed to switch back and forth every five years..now he is trying to keep them but I am ready to hear them again! You will never regret getting them!

This bring tear to my eye but me my advices to look for more speed the thunder. Solid state rock you world. Look at size and girth of big Maggie speaker.  This give you speed and depth you longing to for without be frail and fragile. Maybe this get you over hump and give you balance away from past speaker. You get big excite experience again and forget about forever.  You might like explore sub too like I have in gym.

On the comments about speaker sizes and frequency coverage. I currently have Salk Songtowers and they have a small tweeter (3/4") that crossed over lower than most 1" domes.  The response from these speakers is surprisingly smooth. Two 5" mid-woofers in a transmission line cabinet in the right room can rattle the walls. I was frankly shocked.
They're in a decent (acoustically speaking) room so that certainly helps.

Well-matched drivers and crossovers will challenge convention. 

There were no Ardens to audition at Upscale Audio as they are out of stock. But they’ve now been eliminated due to size after I made more room dimension measurements. So I auditioned the Cheviot and Turnberry only. I must say the Cheviot is a beautiful looking speaker up close.  I’m an industrial designer and I was really captivated by the quality of finish. The gold ring successfully gives the illusion of a bigger woofer and is a great detail. 
It’s also very evident how the woofer is shaped to facilitate a waveguide for the tweeter. The Turnberry also looks good but the 10” woofer looks less impressive in person.

When requested at critical moments, the Cheviot’s bass is immediate and impressive enough for me to remember weeks later.
The Turnberry had slightly better overall bass presence throughout all the tracks…despite losing out on the bigger bass moments.  Both had great midrange but the Turnberry edged out the Cheviots just slightly. What the Turnberry did do was capture some subtle detail in the upper midrange. It may be the Cheviot was not completely broken-in although I was assured this was the case.

I went with the Turnberry. It is a much better speaker in my room. First set of speakers I got did not some with grilles. That was very odd. Almost as odd as the fact that they were shipped upside down and were missing the ‘cabinet and grille inspection’ signature on the quality certificate.

Upscale replaced these with a new set, with grilles (and a completed certificate). I also think that the first set of speakers were used as there were some cabinet blemishes and they sounded fantastic.

The replacements sound pretty bad by comparison. It is true that these need some break in time. At 10 hours playing time, they still sound congested, closed and a little dead but now are very ‘all over the place’…sometimes polite…other times ‘shouty’. Never had speakers this reliant on break-in before. 
Knowing this I sometimes wish I could have auditioned the Cheviots in room. But overall, very happy with the Turnberry.

How are they now, after the break-in? I’m considering Tannoy, but its pretty hard to navigate their range. You have speakers at the same price in both line: prestige and the other one (ie Turnberry vs. Arden); then you have speakers in the same line just a few $$ apart (I consider Stirling ($6000) - Turnberry ($8000), for example, to be close in price). Did you listen to the Stirling?