This Might Not Exist, Any reasonably priced, smaller speakers with 100db Sensitivity?

The first suggestion that comes to mind would be these from Omega:

https://omegaloudspeakers.com/products/super-3-high-output-monitor

Not quite a 100dB, but close enough for a small room like yours.  

95db sensitivity, not big, 700/pair

With 2 watts, you'll probably be sitting at 90db-ish with decent enough bass in that 12 by 10 room.

https://tektondesign.com/product/full-range-speakers/monitors-loudspeakers/mini-lore-monitor/#color

If you wanted 100 db sensitivity for a similar cabinet size, it will be a bass-less speaker (such is the physics).

On the same note, 3.5 Watts sounds like a lousy amp.

Try something like this instead, 10 watts @ 8 ohms, 15 watts @ 4 ohms, 30 watts in mono mode.

https://www.schiit.com/products/gjallarhorn

 Good quality speakers  to meet the  100 db , small and budget ??   If you get above mention speakers , you need extra subwoofer

The 3.5 watts I mentioned was hardly from a lousy amp. I was referring to the outstanding Triode Audio Labs creations. 

Closest to what you’re describing. 3.5w goes much further than you might think…

https://www.zuaudio.com/loudspeakers/p/mb1

Quality sensitive speaker at a low price = Tekton.  

Polycell 15 is 103 dB.

Perfect SET is 98 dB (there are two versions)  It should be fine and I have a friend whose pair sounds great.

I have successfully driven Encores (96dB) with a 2 wpc Decware EL84UFO.

Some people don't like the looks.  Also some jump to conclusions that these speakers ahe a huge array of tweeters.  They have one tweeter.  An array of the same small drivers is also used as a midrange.

Jerry

Thanks Jerry, real life experience of what truly works is valuable. I say that because a friend of mine tried 4.5 wpc into a speaker rated at 98db sensitivity and it couldn't drive it at more than a very polite conversation level, max. It too 15wpc for it to work well. 

You will need to find speakers that are not only efficient, but also easy to drive.  This means a true 8 ohm, or higher, impedance speaker.  Tekton speakers mentioned above might work and they sound pretty good to me.  Zu is also quite efficient, but don’t suit my taste—they are too harsh and brittle sounding to me.

Although they are not extremely efficient, Audio Note speakers are easy loads and work very well with low-powered tube amps.  They are meant for placement near room corners, which boosts their practical efficiency—they sound much louder than their efficiency rating would suggest.  The AN-E model might actually have too much bass for a room your size, but it is more efficient than the smaller AN-J model  which is meant for a smaller room.

Hoffman’s Iron Law of speaker design says that you can’t have a small cabinet, high sensitivity, and extended bass response. But you can have two of the three.

If you choose high sensitivity and small size, you would want to augment the speaker with a sub, or live without extended bass. In the small room, room gain will be working to your advantage though.

https://en.wikipedia.org/wiki/Josef_Anton_Hofmann

@nightfall the Tektons are very tube amp friendly.  that said, 4 wpc should be plenty for any 98 dB speaker.  something wasn't right.  I am currently sitting here listening to my 4 wpc tube amp (AD1 output tubes) driving my 98dB Horning speakers.  I'm about 1/3 volume, I hardly ever get above 1/2 full volume, and before I get to 1/2 full volume it becomes very hard to talk over the music.  

Jerry

Not with any bass. But you can always add subs. 

Omega and Tekton ps 12.

Klipsch Heresy, any series (based on price/new,used)...I am partial to Klipsch....I like what they do. Good luck, MrD.

heresy, cerwin vega gets real close. 

https://speakerchoices.com/

Extremely useful link. Thank you! 

My secondary system has a 4wpc Erhard SET driving Omega monitors to very satisfying levels in a relatively large space--very much louder than "conversation level"  While I have paired my Tektons with small tube amps, I think small SET amps like avoiding  crossover networks.  I much prefer this small amp with a full range driver such as the Omegas.  (and I much prefer the Tektons with high powered solid state)

"Full range driver" = compromised in every range.

There are different tekton models. The moabs i currently have love high current, but, a 100 watts or so should be plenty, they don't needs 1000s of trash wstts. But, i believe the Perfect SET Tekton models (though having the same sensitivity as a moab) were specifically designed for flea...flea-flea-flea of flea watt ( lil weener special). Call Tekton and he may give you the technical scoop on what he had to do...to satisfy the needs of the lil weener watt pilgrims. 

I much prefer this small amp with a full range driver such as the Omegas. (and I much prefer the Tektons with high powered solid state)

Klipsch Heresy is 99 dB

Regarding speaker size: you can have deeper bass or higher sensitivity - but not both.

Nightfall I have found both the Klipsh and Omegas sound wonderful with 2 watts in my 15x15 room. All the volume needed. Do have a sub as well.

Are we being punked with this question?