Reasonably sensitive speakers for tube amps, max $2k/pair, new or used


While this topic has been covered before, I'm interested in both recent experiences with new products or anyone who just would like to chime in.

I have a couple friends interested in tube amps, lower wattage -- 40 wpc or below. Before they pull the trigger there, they need to find the best higher sensitivity speakers they can, hopefully at $2k or below, new or used.

QUESTION: What high sensitivity speakers would you recommend to them, new or used? What did you try and NOT like?
Characterizations of their sound, experience with a trial period, the company, etc. appreciated.

I'll pass the best answers and links along to them.
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Love the looks of the Abbeys.  Would buy them at their price just for that. 
Obviously there are big differences if we are talking new or used. Also big differences w.r.t. how much bass extension you want.

I'll second the Fritz recommendation, for a standmount, new or used, with good bass extension.

You can get a used pair of Audio Note AN-J for about 2.5K.

You can get a used pair of Devore O/93 for about 5.5K.
I have been using Omega Super Alnico Monitors(SAM’s) with a Will Vincent built ST-70 KT66’s wired in triode(20w) and XR-audio dual mono tube pre. Love the pairing!
Ecterrel...."We get it guy. You hate Tektons as much as 99.9% of people like them.
You can go on about return policy’s and cheap boxes all you want but you can’t explain away their HiFi awards and huge demand."......Im sorry i didnt realize that 99.9% of the audio community like Tekton and im in the .1% and i seem to have missed all the awards the products have received, my mistake ....but until the tekton clown posse stops trying to shoving this down our throats the .1% will speak out bs..enjoy em
To those who maybe think I was being to demanding or too time consuming for Eric Alexander to be courteous, I had two main questions regarding my amp wattage and type and my room size to get an idea of what speaker would be the best match. The whole interaction was a one sentence email response for me to call the shop instead of emailing (which I thought would be easier so he could answer in his own time) and then me attempting 2-3 times over a few weeks to call and get no response. I finally got him a few weeks later and our phone call was less than a few minutes. I know what overbearing is and I’m self aware enough to know when I’m being that and when I’m not. The phone call lasted three minutes or so and made it clear to me I was not important and he didn’t give a sh!t about my business. Just shook my head after the call like “what the the hell was that all about? F me for wanting to ask a question”. 
So yeah probably an off day for him but still, I couldn’t think of a single thing I had done to warrant his response. Do they make good speakers? Maybe they do. I don’t care to try them now. YMMV but my experience was not good so it’s not worth chasing the guy to see if he’ll be nicer next time. I’ll move on and I did. Just a caveat emptor over here….